Big cam cummins throttle response. com/ksaxye/do-i-have-a-chance-with-her-quiz.
what could this be a bad lift pump? Jun 1, 2017 · BIG CAM CUMMINS ENGINES. In the small/big cam days he could look at the liners and tell you what hp they were at (350 or 400) All the 400's had counterbore problems. That was corrected with the lower press ft liner. Letting off throttle causes a hard surge. The vg is supposed to help with it but its normal to have a little lag. Apr 9, 2016 · Hey All, 2001 Cummins 47RE. My problem is with the fuel pump someone for some reason messed with the idle screw behind the pipe plug on the rear of the pump and also the screw in the throttle shaft. 0 Lift, 37x13. 1- I wanted to make sure it was not going to void my warranty in any way. I turned the engine off. 5s, Cummins 12V powered, with a few mods, SBC DD clutch Mar 1, 2012 · I have a 1999 freightliner century 12. 4. We have designed parts, systems, timing codes, horsepower settings, piston coatings, and the list continues. Mar 28, 2015 · im hoping you guys will be able to help. then start the truck and all is fine, I have done this 3 times when APPS was totally no-functionable. 9L & 6. 7L. I replaced all the injectors, two head gaskets, fuel supply line from tank to filters. Jul 12, 2021 · What an amazing industry the diesel engine and trucking business is. Newer GM & Ford are quieter. When pushing the throttle to pass it would start to accelerate, then when I got to 15% throttle it would lose power and the acceleration would be slower, then when I got passed about 25% throttle I could feel it pull harder again. will die when moving throttle. 2012 John Deere RSX 850i 💪 Jun 13, 2013 · I don't know the exact button that you need, or the timing spec, but you shouldn't need much to get to 475, if you search around for LOGHAULER s threads there are a lot of replies and discussion about the big cam 855, probably has already been answered, Sorry that I don't have the exact specs that you need, but I am pretty sure you don't need to spend a fortune. The truck idles around 600 rpm and everything vibrates on the truck, but when I run it up to 700 its much smoother and quieter. Top end set with no trouble, did it cold of course, rolled it over a couple times and re-checked and looked good. Has been sitting many years but is running again--but hard starting cold. Any help is appreciated. We are old school machine shop guys and guarantee the workmanship of all of our parts including: Cummins 855 Big Cam Diesel Engine. Oct 26, 2013 · ever figure it out? im having trouble with my throttle sticking after about a half hour of highway driving. Change out fuel pump and fuel pump drive coupling. Cylinder #4 was hardly even firing. is a low flow cooling system,it is over heating when under load,you back out of it it cooles back down so if you have a big hill it gets hot fast 220 to 230 range,it has a 170 stat. -2005 Ford Excursion 4×4, w/ 215hp P-pump Cummins 12 valve, NV4500, colt cams stage three cam, . It ends up with a little less throttle response but the rpm hang time between shifts is longer. Dec 13, 2011 · The manual says to set the throttle wide open to start it. I appreciate your Nov 20, 2022 · -2010 Ford F-250 4×4 w/ 180hp P-pump Cummins 12 valve, 5r110 auto, the usual stuff with an SXE 363. Cylinder #3 lobe was so bad the push rod wouldn't stay under the rocker arm. It was and still is an engineering masterpiece. 9L Cummins. Mar 19, 2017 · This is what I have found. it was running great, then all of a sudden aftor a lightning storm, the truck was hard to start and has no throttle response at all just sits at 700 rpm, i was thinking tps, but its hard to start and idles at 500 till it hits 700 once warmed up. 3x18) on Moto Metal MO970 18x9 +18mm Apr 20, 2015 · The oil pressure regulator in the oil pump may be stuck I have seen this quite a few times on Big Cam 2 and later engines. Apr 16, 2015 · I just purchased another truck with a Big Cam 1 in it and am looking to make a few changes. 020 over,12v rods,studded,fire ringed,100 horse stix,2nd gen mani,s362fmw, 10mm pump,fass150,scheid cam,firepunk trans, HPTuners Jan 27, 2009 · 03 2500 4x4 QCLB, DDP built engine, DDP cam, BBI stage 1 injectors, 62/14 turbo, Edge J/A for gauges, Smarty for tuning, built 48RE, 34s Jan 7, 2008 · my freind has this rig it is a 1988,370 made to 444(if I have my no's. 5" leveling kit Apr 13, 2019 · Or just give the screw in your throttle shaft a eighth turn in cutting the rail pressure. 4l 6spd. 0 auto, Lariat, 4. Jul 15, 2020 · 2021 MCSB 2500 4x4, Pearl White Limited (aka ARES) 16-18" Lift, 28x16 Ruthless Forged, 44" Boggers, MM3, Deletes - all on order and in the works!! Jul 19, 2012 · The older cummins pumps like a PTG will not be too stable but with the newer AFC like the BC 1,2,3,4 will have it is a better idle. the throttle pedal will become stiff and remain stiff for about 5 minutes while my throttle has sticking fits for 5-7 seconds Jul 13, 2017 · 2012 cc dually 6speed, mini max, cooler delete, h&s intake horn, boost tube,5ich pipe,gdp big line kit Amsoil dealer since 2006 1996 12v 430000 miles. Mineral gray with black interior. NV4500, colt cams stage three cam, . 32 A/R, Muldoons Stage 4 47RE w/ FMVB Jan 10, 2016 · The best way to gain more out of a big cam or small cam, Is to back the injector timing from 70 on a big cam to 74. I tried searching but didn't really come up with anything. It includes detailed specifications, illustrations, and procedures to guide the mechanic in correctly repairing the engine to the manufacturer’s specifications. Mar 7, 2014 · 2013 2500 Mega Cab 4x4. Jun 15, 2023 · Weird throttle response. 7 with 170k miles on it and have had pretty good luck thus far. None of which had the throttle response of this truck. Slow Acceleration or Response . Colt Cams is proud to introduce our latest grinds for the Cummins 5. Borghese warner 171702 turbo, turbo blanket, down pipe is heat wrapped, weed burner exhaust, crank shaft ballance, damper, ported exhaust manifold, 6×2 lift axle conversion on rig and forward lift axle on spread axle flatbed, micro blue wheel bearings, wheel covers, tire pressure monitor system, super single tires May 15, 2011 · General Chat Aug 3, 2021 · 1999 Ram 2500, 4x4 NV4500, 7x. cut it off for 30 mins on 2 days ago · CUMMINS ISX At the traffic light I put in gear and pushed the gas pedal to move. And a small cam from 36 to 40. The 855 Big Cam (coined “Big Cam” due to its larger-than-conventional, 2. Dec 5, 2016 · It seemed to be accelerating harder than the amount of throttle I was giving it. 6L V6 Mar 2, 2018 · 2013 Ram 2500 Big Horn 4x4 G56 CCLB 6. It had . Jan 12, 2017 · Have an 01 with 200k on it and recently started having power issues accompanied by erratic water temp sensor starts bouncing all over. i recently put a low fuel psi light in and when tryin to throttle up it is very slow and once it does start to rev up the low psi light comes on. Thank you Jul 27, 2016 · 2012 Ram 2500 Laramie CCLB 6. 50R16. As I approached work (a total of about 10 minutes of driving) the check engine light came on and the throttle would not respond at all. Mar 5, 2017 · I have a 359 with 400 big cam with a eaton 15 speed weighs in around 45000 lbs when you accelerate it has a clatter in the valve train temperature goes up. This 14 has good days and bad days. 103K New heads to repair diesel in coolant, 148K. First thing is get a liquid filled 300 lb pressure gauge. This was my first experience in a cummins with injectors or a 03 for that matter. I really need to upgrade the turbo/exhaust manifold. It was very aggravating to drive in traffic. May 28, 2013 · truck starts, misses, absolutely no throttle response. October's Cummins of the Month is now open for entries! Jun 4, 2014 · Warburg, AB: Need some help folks. 7 / 68RFE - 6" Fabtech, 38x15. my dart which is boosted and drive by wire all the lag is in the drive by wire system. Pretty much stock auto for now. I bought mine with a bad cam. 5 roller rockers installed into a zz4 350 crate GM performance engine. Custom tuning with adrenaline, moving to a different altitiude. I cant seem to keep the fuel fulter full. 2003 Pete EXHD. 7 detroit. 1993 W250 4x4 5sp. I had my Dealership install my long awaited BD Throttle Sensitivity Booster and Switch yesterday. . Feb 25, 2011 · i have a a 400 big cam in a dump truck and the turbo has a 27cm ex. 1. Mar 20, 2017 · My coach, a 1996 Monaco Dynasty (Roadmaster Chassis, Cummins 8. Oct 24, 2011 · what must i do to get better throttle response? do i needa stack it with a smarty? jim jessup tune? injectors? help me out 2002 QCSB 4X4 Quadzilla Adrenaline, Airdog raptor 100 lift pump,a bhaf, BD Rad, BD apps noise isolator, 4" MBRP str8 pipe 6" tip, Pillar pod, Autometer cobalt gauges, Bully dog J-hook, 2. Jun 1, 2018 · Throttle response controller Jump to Latest 22K views 15 replies 14 participants last post by bane1240 Sep 24, 2018 Dec 8, 2017 · It just got progressively worse until I have absolutely no throttle response and the engine surges at idle and wants to stall after you rev it. 0 Reservoir Shocks, HC Control Arms, Track Bar, King Steering Stabilizer and Torsion Sway Bar. Now the engine's response to throttle is very quick and sharp. Checked all connections and everything seems to be good. Idles fine. The spring and the button are done off the rear botton cover. White and Grey. 7L 2500 4x4 LARAMIE- H&S Performance MCC Mini Maxx with MCCbyRYAN, H&S Maxx Flow intake horn, H&S 4" boost tube, H&S 5" TBE straight piped, 3 ATS TC's and 2 ATS Stage 4 68's cooked, SunCoast M3GA68 Big Dawg now, HTT stainless steel 66/71/16 turbo, HTT stainless steel 3rd gen manifold, ARP 625's, Industrial Injection Stage 2 CP3, FASS 150/150, Snow Performance water methanol injection The Big Cam Cummins: Many of you know that Pittsburgh Power has been working with this great engine for 40 years. Airflow mods may help to change the surging (head porting, tunnel ram, pusher split intake or a cam. Laramie and fully ioaded. Pulse manifold with a HT3B turbo. 7, MM3 Tuned by Double R Diesel, Flo-Pro 4" Exhaust, Deviant Race Parts Goodies, ARP Head Studs, South Bend Clutch, 3" Thuren Front Springs w/Fox Shocks All-Around, Hell-Bent Steel Steering Box Brace, Thuren Track Bar, Air-Lift 5000, Deviant Race Parts 70" Traction Bars, Falken Wild-Peak AT3W LT285/75R18 (34. Scared me carpels when I stalled dead in the yard, the jakes will stall the engine at an idle on 1st setting. 9 - 6. i have a 2013 6. I just had a hydraulic thumper comp cam and 1. 66/74, 130hp nozzles,arp studs, afe intercooler, leveled, carli control arms, custome trac bars, 35 mud grappler with 18" gear alloy's, autometer pryo boost egt Jun 8, 2010 · And then when you go to step on the throttle it does nothing at all. Let me just say that this thing works and it's pretty darn sweet to have. Aug 20, 2012 · Go to Cummins and buy a #5 button {rail psi} and the green and yellow rpm spring. 7L Cams. 9 2500 bighorn has developed a problem when im stopped at a light the throttle increases where i have to hold the truck back with the brakes, as i take my foot off the brake it travels about 10 feet by its self then returns to normal throttle and all seems normal, it also does this in reverse but seems to be worse. These carbs generally Oct 21, 2008 · Open the big screw cap on top of the pump, clean the screen, then re-seal. 24 in] when the lever is in the full throttle position. Many of you know that we at Pittsburgh Power have been working on improvements for the Big Cam Cummins engine for 40 years. 6. the cummins injection timing chart says the key should be a 3021596 which is a offset key. I just cleaned a stoped up l-10 cummins injector pump and it’s running but has little slow response to throttle once it opens up a little it will respond quicker Discover more answers I am working on 1990 L-10 cummins that has excess smoke unde Feb 3, 2010 · 2003 3500, 2001 24v, and 2017 Chevy Cruze 1. Now the truck has absolutely zero throttle response and idles rough. 5 Ram 2500 QC/SB 4x4 - 6. and backed on after few moments. Dec 20, 2019 · 2003 Z06 aka "No Mercy" 427 CID sleeved LS3, BIG CAM, Ported LS7 heads, LG long tubes, High flow cats, 612 RWHP, DTE stage 5 diff, Textralia OZ700 Z ,2 IDQ8's, Zapco Amps, Helix Comps 2001 Dodge Ram 2500 Cummins Auto, QUAD V2, 31" FTE Resonator, gen 4 bumper, FASS 150, DS5, DAP 7x0. Aisin truck, and depending on how you accelerate, you definitely get a dead pedal feel. Mar 25, 2010 · 2005 250 Super Duty Crew. this eng. Mar 22, 2010 · i have an 02 2500 w a 5. This was done while I had it off to change the o-ring on the throttle shaft. ----- Throttle Linkage Binding OK f Check for free movement. On the left is a Holley with four, quarter-inch holes drilled in the throttle plates which were necessary to achieve a barely-exposed transition slot. Sep 22, 2012 · 1996 Dodge Ram 2500 4x4 reg cab, 4" homemade turbo back exhaust. about 1400 is the highest I can hit and the with the Quad on the highest level climbing a long hill at full throttle, and it will be hazing at these power levels. 30 gears! 2006 F450 CC Hauler bed 4x2 6. 1) is a return line needed on the front head or is the return line on the back head sufficient? 2) do I use the original size that runs to the back head and just copy that to the front? Or are all the fuel lines lines to be made larger? Jul 8, 2015 · 2013-2018 4th Gen Ram 6. 7L HEMI 2012 Dodge Challenger SRT8 6. Very Slow Throttle Response Feb 20, 2015 · Good morning! I am searching for information for my husband who is working on a 2001 4x4 automatic with a friend. 7 Auto 4x4 Leveled with 35" Cooper AT3 Apr 23, 2006 · The throttle pedel is connected to what we call the APPS (accelerator pedel position sensor) the APPS can be re-calibrated by turning the key to the on position (but dont start it)then slowly push pedel to the floor and slowly back to the idle position. I always started it at a slow idle, but I found out if you are starting it at about 30 degrees or less it doesn't like to stay running after it starts at low idle, if you start it with the throttle set fast and then bring the throttle down after it starts it seems to work better. It's a Big Cam 4 if that helps. We've dyno'ed some 50 different combinations of durations, lobe separation and installed centerlines to come up with the ultimate cam for your Cummins 5. Drive it loaded or load it with the brakes and catch a hill and at 2100 rpm slowly pull it down and watch your max fuel pressure. housing on it and it spools at 1900rpms and then it only build 18 pounds of boost i have a 23cm ex. At the time of its inception it was not only the most powerful engine available, but the most fuel efficient, the most reliable, and the first engine to meet noise and emissions Nov 10, 2016 · I believe its because of the cam. since the car makes 20lbs of boost they open the throttle slower to minimize surge. Idle Feed TuningGenerally engines with big cams are also fitted with larger, mechanical secondary carburetors. Any ideas guys. Oct 18, 2018 · Leaner is always better as this improves throttle response. They just replaced the injection pump and the lift pump. Kind of like I would give it 20% throttle and it would interpret that as 60% throttle. You can back out the afc screw ( the allen screw above the throttle shaft) a 1/4 turn at a time to fine tune the flow for throttle response to the turbo boost pressure but too much will make it black smoke. 21mpg 90 day avg. The problem that I am noticing is when I rev the engine, it slowly returns to idle. Feb 11, 2018 · KTA 525 1 inch gear pump and fed fuel in both ends. and water pump all ready. All fluids are good. Behind the throttle shaft plate crack the jam nut loose for the aneroid valve and turn it counterclockwise bout one turn. Jul 29, 2016 · In general, modern variable valve timing can adjust the volumetric efficiency of your engine by RPM and load. Mar 9, 2016 · Now I'm getting very slow response from throttle and feels like rpms go up a lil too quick. Most likely it will sound the same as all diesels rattle, some manufacturers more than others. Now I have a dead truck in the middle of my driveway that will start and run but I cannot move anywhere because the throttle does not work. Over 600 pages with clickable links and bookmarks in printable and searchable digital PDF format for your computer, tablet or smartphone. Eventually I passed the traffic light and pulled over. Cummins are just noisier by design. 266" injector travel. Jul 21, 2020 · Has anyone felt used the BD Diesel Throttle Sensitivity Booster or the Pedal Commander to increase throttle response on their 19+ trucks? If so, any positive or negative feedback? I have a H. H. The picture in post #4 above is the stock . If someone has been messing with the pump they could have turned the screw all the way in, and this can cause your problem. Jun 14, 2015 · 04. Injector is malfunctioning . It has a range of about 1/4" that while the throttle is in that range, the engine doesn't respond, then jumps to whichever rpm that the pedal is at This manual covers service and overhaul of the Cummins NTC 400 “Big Cam I” and “Big Cam III” 6-cylinder diesel engine. Jan 2, 2024 · In this video, we're going to be discussing the Cummins Big Cam 4 diesel engine. Drove the boss's new-to-him KW T800 tandem grain truck (got it last fall), which was repowered with an '87 Big Cam 3. I had the Dealership do the install for 2 reasons. You will have at least 220 rail psi, full fuel to 2300, max hi idle @ 2500. 5. 60v at open throttle. 025-inch nozzle and that worked even better. 5* timing, built trans, KDP gone-97 12v manual transmission bone stock-02 Chevy D-max dually, Fass 150 Pump, Suncoast stage 4 w/ velocity tc Oct 10, 2013 · I have a 88NT Big Cam 4 400 (CPL 1211) that could use a little more power. 12 to 0. A friends 5. 15 Ram 2500 Big Horn CCLB 6. 50 Kumho KL71, 20x10 MotoMetals, Fab Fours Stubby, Warn 9. EGTs are low. In fact, one day while sitting at my desk, I counted 42 items we brought to market for the Big Cam, then I stopped counting. and when it is reved for to long it will eventually die. 4 BGE Block, 426 Manley Forged Stroker Kit, Harrop/Eaton 2650 SuperCharger, CAI, ThiTek Heads, Studs, Comp Cam, MDS Delete, ID1050 injectors, 100mm BBK Throttle Body, ARH Long Tube) Sep 25, 2013 · I'm having some throttle issues with my 2011 ram 3500 G56. but tho small cam to BB1's and Oct 14, 2009 · Black 2004. NOTE: The throttle lever stop must contact the rear throttle stop screw. It's much too easy to assume the pump is at fault , you take the pump to the diesel shop, they bench it, tell you it is good, take your money, you still have the problem. Jul 6, 2009 · 2002 Dodge Ram 2500 HO, SO VP44, 6 Speed, 4x4 with a 4 inch lift on 37/12. If I had to get off the throttle for any reason, once pressing the pedal back down, I could count 4 seconds before the engine began to rev, then another 2 seconds before the engine would begin building power again. There is a spigot on the end of the plug for removal. Injectors are set with lash, don't know the number off the top of my head, somewhere in the same neiborhood as valves. If I stab the throttle to rev match when shifting to quickly it just bogs like a poorly tuned Feb 27, 2009 · If your throttle response is slow only after punching it then accerlates hard its your turbo lagging. My data shows the # by the pump. The truck just idled. Nov 7, 2010 · 2005 250 Super Duty Crew. About 1 month ago a gentlemen called me and mentioned he purchased an older Superliner Mack powered by a Big Cam 350 Cummins. Connect a 8 ft 3 4 hose to it and tie it to your wiper arm then connect other end to the 1/8 plug on the fuel pump shut down valve. Tried to bleed at return line off back of rear head. It was hard to find, but a cheap, easy fix. Aug 25, 2021 · Have a 98 12. i pulled afc housing to make sure spring is hooked up. Other than a cool sounding idle, it drove like a Camaro. 3. Air intake Cummins 5. The engine would idle only, no throttle response. Mar 15, 2006 · Does any one have a good source for fuel buttons so i can upgrade the pump in a big cam Cummins 855? Thanks. Andrew Wilson | September 1, 2018. Jan 23, 2015 · This truck had the worst throttle response on any vehicle I have driven. Refe Aug 16, 2013 · Your going to get many different ways of setting it so pick what you want to do. 020” wide lobes (widest in the aftermarket) * Thicker core * Radiused core * Every cam is drilled and tapped for a bolt on retainer * The ONLY improved design cast cam on the market * Cold Chilled Billet Iron Blank insures durability Aug 30, 2010 · This did just start after O/H. no response, put it in neutral still no response. So far I have backed out the throttle shaft screw a few turns, which made a negligible difference, and backed off the AFC, which helped the throttle response. OG Smarty ECM, TST comp, 62/480 compounds, FASS 150, front and rear ranchhand full replacement bumpers, 3rd gen trackbar conversion, 3rd gen brakes, 4th gen steering, dipricol gauges, HBS adjustable control arms, carli coils, BD steering brace, BD end links, 35'' toyo open country mts, helo wheels, rigid lighting, 220hp injectors, 3 piece manifold, 5 Jul 16, 2015 · So I reloaded the 2500us tune I had on it before when I got home and the smoke cleared up again, or nearly cleared up, and the bottom end torque came back on a wot run. I calibrated it too . 9 with VP44. You never know who is going to call, stop in, what they know and what they are capable of. About 4-5 days ago I noticed my truck surging while going down the hwy at around 15% throttle. Some guys would also change their cam timing but I wasn't a big proponent of that and I might be mixing up Big Cam and small cam mods there. Sep 17, 2008 · This will give much faster throttle response and will cause smoke when changing gears. everything was OK. 5/1. Feb 11, 2016 · I just posted this on another thread "BD Throttle Sensitivity Booster" I know some have been waiting for my take on the BD TSB. This page content is generated by GemPages. Sep 1, 2018 · 2018, Big Cam Cummins, Cooling Cooling Your Big Cam IV & More. it also seems that when i come to a The Unique Features of the Colt Cam "The Big Stick" High Performance Cummins Diesel Camshaft: * 1. What is your budget? Mar 20, 2009 · I changed the pedal assembly and it's the same. 5-inch camshaft diameter) replaced the Small Cam 855 of the 1960s and was the first engine designed to meet the emissions regulations mandated in Mar 13, 2017 · Posted 3/13/2017 14:18 (#5896741 - in reply to #5896713) Subject: RE: Throttle shaft screw vs fuel button on 855 Cummins Jun 13, 2011 · Hello, Everyone, my dodge 2006 cummins 5. If it had one, replacing a direct drive fan with a clutch fan was another one. Other trucks:1980 KW Ext hood, 1982 Kenworth Cabover Aerodyne (BJ and the Bear) 2000 and 2003 Kenworth W900's. Specifically, the Big Cam IV 400 camshaft added more lift to the valves. 5 4L80 4" exh '62 gmc shortbox 454 super t10 big brakes JD 820 black dash Mar 18, 2022 · 98’ 12V- 5x25 injectors, larger fuel lines, PPump Maxed with dual feed, 7mm Dilivery Valves, Fass Lift Pump, 5K Gov Springs, Hamilton 165lb Valve Springs, Hamilton 192/220 Cam, ARP Head Studs, Steed Speed T6 Comp Manifold, Borg S472 1. 9 Cummins. I have a 96 5. And nothing works. Dec 17, 2013 · Although mine is a small cam, the fuel system is exactly the same. 9 has the same return spring setup. 30 r/a, SCT, 4in exh. In the late 1970's and 80's, the Cummins 855 Big Cam was the king of the road when it came to semi-truck diesel engines. and now today no response from the throttle at all. Edge juice hx40 fass 150 jammer 150s ats manifold. 5 qcsb 4x4 Laramie . a 5min drive would set it off. I'm gonna look at the throttle wires coming through the firewall, but does anyone know where they go to under the hood? Thanks Oct 15, 2011 · 1992 250 5 speed 4wd- bone stock 2006 3500 6 speed, EFI live, 5 inch tb, dd clutch, airdog 165, cfm horn, GDP plenium, 2nd gen style stainless diesel manifold,E. I went to the dealership and got the spring and bracket but I only have one spring so its different than anyother return spring than I can find. Major surge at idle. He knew nothing about the truck. 7L Stock Engine, Thuren Coils, Falken WP AT3W 285/65/R20 May 10, 2011 · I installed a Colt Stage II Billet, this cam is awesome, pulls hard, very crisp throttle/turbo response and really smoothes and quiets the engine at idle and cruising, I absoulutely love it. This engine is popular for use in heavy duty trucks and construction vehicle Nov 8, 2017 · My engine sounds exactly like your description. So my thoughts are that the cam cannot do it's job with that much duration. Anarchy EFI, 4" 2001 Dodge 2500 ECSB Sport, 24v, Nv5600, Valair DD, 62/68/14, 100hp injectors, Smarty MM3 2003 Jetta TDI, 5 speed swap, DLC1019 injectors, VNT17 Turbo, 3 Bar MAP, Malone stage 4 tune, Southbend SMF clutch, 3" TBE, EGR delete, 2" IC pipe, EGT and Boost gauges, OMI, VAG-COM. We here at Big Bear Engine Company are proud to be able to offer replacement options for the Cummins 855 Big Cam engine. Truck has been in the two different shops now for 10 months and truck is still in disrepair. The truck had no issues before and then I hopped in one day and had absolutely no throttle response. 9 24v that has a very slow throttle response. Jan 13, 2011 · I seem to have a dead spot in my throttle around the quarter throttle area. 7L B series engine! We've worked long and hard to develop these great new profiles. The RPM's don't move, the engine doesn't rev, the turbo doesn't spool, the voltmeter stays put, the EGT's shoot up if I'm pressing the gas and it smokes like crazy. The pump has the double governor for setting PTO speed (pull one cable to set governor, then pull throttle wide We here at Big Bear Engine Company are old school machine shop guys that know the value of your time whether it be out in the field for an industrial job or at play with an off-road engine swap. Dec 27, 2013 · 2021 Ram 3500 MegaCab DRW Limited Night Edition (Order 1/8/2021, D1, VIN Issued) 2019 Ram 1500 Laramie Crew Cab Hemi 3. Our Rams are 6 cyl with big pistons and a big turbo that give it the pulling power. 60v at closed throttle and then like 3. 010 SAC, he351 coming, Clarion NX702, 2 Image Dynamic IDQ8's Jan 3, 2007 · Have a 335 Hp Cummins 855 in 50 Pete 3 axle conventional. rad. May 10, 2007 · I think you are both wrong and right,,,It depends on the cummins engine you are talking about a 5. Trans, Pyro, Boost in the cubby. P. about a month ago, it said service electronic throttle control and red lighting bolt came on, it happened shortly after an engine wash, i think water got on connector or something, the pedal would just go to the floor and wouldnt go over 40 mph. With this in mind, I thought big injectors pulled way back should work really work good with this cam. egt runs right 900 and climbs if I stay in it and this is not full throttle. 5,4x4,3500,SRW,QCLB Auto. Intake manifold pressure (boost) is too low . 4L HEMI 2015 Hellcat, and ya, it's got a HEMI Nov 24, 2020 · Drove a few times to work and back no issues. 0 3rd Gen Dodge 5. ) So would compounds, or changing torque converter stall speed or ring/pinion gears. Apr 20, 2015 · The internals will make 350-400hp unreliable. Mar 31, 2019 · The CPL # 797 on the pump shows it as a Big Cam IV from about 1985 to 1989 or 1990 when the NTC14 came out I think. I can't speak much to the power increase as I said before I found a small leak from over tightening the compression fitting so I wasn't about to push it too far. Sep 30, 2016 · So I bought my 1st diesel truck 3 years ago and finally decided to do the deletes and tune. 03-07 Performance Parts Discussion Throttle Response. Install a good pyrometer turn out the fuel screw in the throttle shaft 1/4-1/2 turn. It's fully deleted with an H&S xrt with torque management off. 7,4x4, Fully Deleted, BD Air Horn, EFI Live w/ Trans Tune, AFE DFS780 Lift Pump, Injen Evo CAI, Riding on 37x12. Jump to Latest Mar 15, 2023 · 2015 2500 Laramie Longhorn LTD. 7 430hp getting 10. Injector check ball is not seating correctly or is missing 8. Some like the rattle. 5 4x4 quad cab short bed 6 speed. I shut the truck off and tried restarting it a couple of more time but it does the same thing every time. Nov 7, 2007 · 2012 Ram 2500 5. Jul 5, 2012 · I have a problem. May 26, 2009 · 99 dodge cummins start no throttle hi i just put a new injection pump in my 99 dodge cummins. The throttle response is really quick because of the higher compression pistons, but it still smoked until I put the quad on it. It would run. 3 and Allison 3060 automatic transmission, King Controls K-2600 throttle / cruise control system) had a "throttle by wire" system. The pump was re-calibrated to match the rest of the components. Adjust if necessary. Please use the star rating system at top of page so I get credit from the web site for my time, You may still ask follow up questions at no extra charge after rating. Instead of a cable between the throttle and injection pump, an electronic signal is transferred by wire (hence, "throttle by wire") . ARP studs, EGR Delete, and SCT from Vivian. Oct 15, 2010 · 2015 F350 Platinum Max Tow What a beast with the 4. May 18, 2010 · 2006 Mega Cab 3500 NV5600 6 speed, Southbend 3600 DD, 5inch turbo back, Raptor transfer pump, Efilive, Insight cs, 90hp injectors, studs, PDR cam, BD tow twins, BD manifold, Glacier diesel intake horn Nov 11, 2015 · It was slower overall than my 14 but it was constant with throttle response so I knew what to expect and drove that way. I think the hype about bad cams is from the problems with the small cam. Feb 10, 2015 · Dearfield Co. This morning, I put on new batteries and fired right up, but still has a miss and now no throttle response. Last time driving home stopped at homedepot and when leaving noticed lack of power when throttle applied but would slowly pick up speed. Even with slight throttle applied and held, engine runs away until letting off throttle. I mean just, less than 2 weeks ago. My throttle is super spongy and the engine is very slow to rev up. the cam number is on back end of this cam the number on it is 3020914 (anybody know what this cam is for or is it a aftermarket replacement ) the cam that suppose to be in it is 3049024 or 3026975 . 5, 6. 1998 2500 12v with minor tuning. I have been running it around my yard but running it with high RPMs and shifting and I could feel it getting progressively worse and the throttle response declining. Jul 23, 2009 · 2020 Jeep Gladiator Rubicon - Skyjacker 2. 9l 12 valve in a Dodge times on the injection pump,,,, a 855 Big Cam injection timing is set with the cam shaft follower boxes on side of block by changing gasket thickness [of course that takes into account that the top stop injectors are set correctly] This downloadable PDF manual provides instructions to troubleshoot and repair (including complete disassembly/assembly) the Cummins NT 855 “Big Cam” 3 or 4 engine. A new camshaft design came about in 1984 with the introduction of the Big Cam IV (up to that point, the Big Cam I, II, and III had all used the same basic cam). Feb 16, 2017 · Opening up the aneroid valve to increase throttle response was another thing that just had to be done. A old friend of mine ran cummins in a 80 trk fleet for 50yrs. Then I heard about this throttle booster and was like, uh yeah I'll take one. 5XP, iDrive, Tazer JL Mini 2007. Over the course of the past 2 months it's been getting worse. Feb 13, 2010 · Throttle response with big Cam. The 475 would make some serious horse power when the fuel pressure was raised but they started having problems with the heads cracking on top between the injector hold down bolts and the injector bore resulting in fuel Mar 16, 2010 · 2003-2007. I have owned three common rail trucks, 1 dmax llynever again, a 06 cummins loved it, and my current 05 cummins. 5 Military issue Humvee Tires Mar 23, 2015 · I could not believe how it was reacting. 03-07 Non-Powertrain. Throttle linkage adjustment is not correct . The question is- What defines the CRANK state (how does the ECM know the engine is being started)? I have a sister machine that we have used to swap parts to find problem. 92, 6'4" Bed, Air Suspension 4x4 (6. Truck still starts and runs. Fuel inlet restriction . step on for full throttle the engine revs to 2000 rpm, when released the engine If you get no RPM increase with increased throttle the issue is internal in fuel pump. Any Ideas ? Jun 17, 2020 · Yes that turbo is big for a VP44 truck that tows. This is for my 79 Vette. Timed the injectors at 74-little less throttle response but more hang time between shifts. But the secret is Jan 6, 2015 · -97 12v 4K gov springs, 4" exhaust, #10 fuel plate, 16. May 6, 2021 · Too much fuel from the accelerator circuit will make the response to throttle input lazy and could even cause a stumble that might be misinterpreted as a lean stumble. shows 350, 365 and up to 400. D. 020 over w/Mahle pistons, SXE 362 and the usual stuff. In fact, one day while sitting at my desk, I counted 42 items Nov 22, 2016 · Recently, while at highway speeds, I'm getting no throttle response and a ton of black/gray smoke, if I press the gas. I got 14 hours paid waiting time Call Cummins if you don't figure it out Nov 19, 2012 · Ok so I am working on a Cummins big cam 400. 0 mm [0. My voltage gauge shows 14v. 24* timing, dual feed, mack rack, FASS 225, Beans sump, 178/208 Hamilton Cam and Tappets, Billet S363 63/68/14,110# valve springs, HD pushrods, ARP main studs, head studs, and rod bolts, coated bearings, DPS manifold, etc. Started smoking, still ran good. Other Rigs:03 Jeep Grand Cherokee Overland, 76 Toyota Hi-lux, custom bed made from cherry bin, LED lights in rear, and it usually runs (as long as I hit the carburetor with a rock) Jul 29, 2020 · Now with the line installed the truck idles smoother, the throttle response is much better, Pittsburgh Power and many others claim a 25hp gain, and some even claim better fuel economy. so full throttle at the pedal does not mean full throttle at the throttle body instantly. 012 DDP injectors, PPUMP, 4ks, 191dvs. SB Street dual disc, SB 1-3/8 input shaft, SB hydraulics. I had to replace it so it ran correctly. 50 Mud Grapplers, 20x10 MotoMetals, Custom EFI Live tuned, and a lot more 1993 cummins 855 fuel system. Whenever I have the pedal in about the 25% area the truck surges as I move the throttle back and forth through that range. Some years back I worked for a shop that built the long blocks for a diesel machine shop. Do NOT lug the engine after this. am i missing something simple or is my spare pump junk? going to swap fuel filter, has new lift pump, primed easily, dead miss is concerning. Feb 8, 2022 · I’m reaching out in search of an answer on a problem with my 99 5. 0 L 6. O. Feb 10, 2006 · 2001. 0 to 6. I used the cam from CPL 676 because it has slightly more lift. Jun 2, 2010 · 2003-2007. Jump to Latest 1K Throttle Response. Feb 5, 2019 · The engine immediately responded with a crisper throttle, so we reduced that to a 0. AFE Stage II. Dec 4, 2020 · I did a 10:1 383, Sportsman 2 heads, Performer RPM non air gap with a 227/234 107+3 for a lifted k1500 with big tires, 2500 stall, TBI with EBLFlash. Jul 30, 2014 · Cummins built a 475 HP Big Cam engine that had two stage turbos and Mechanical variable timing. Apr 16, 2013 · 2005 250 Super Duty Crew. Company finally got a hold of Cummins and had me do a simple shut off engine, turn ignition on and hit brake twice or something along those lines and throttle response returned. Yesterday, I had to jump start the truck. Go and test drive a truck similar to yours with a Cummins engine. PT fuel pump throttle leakage is excessive 7. Dec 8, 2017 · I'm going to install the dual fuel line on my Cummins big Cam and I have a few questions. I have an issue with no throttle response aka dead pedal and the truck will idle for a few minutes and then rev out uncontrollably. May 9, 2023 · 2000 4x4 5-speed Quad SLT, FASS 150, ISSPRO FP gauge, Borgeson + Red-Head + Synergy, Flatbed. 7L Cummins. 438058 mi, OO, HAM, Runs Stock, DD until '22 2019 Jeep Rubicon 2dr 6-Speed 3. Apr 24, 2020 · Drilling out the throttle shaft will richen the flow more than raise the pressure but it will make the throttle crispier. The oil pressure regulator and spring are under this plug. Had a miss and had throttle response. 99 F350 XLT 4x4, Crew Cab, 19. I think we are at the mercy of many sensors and systems that control things to the point of no return. housing im wanting to put on it i was wondering what kind of differance whould i see performance wise and all around differance it would make good and bad Feb 25, 2008 · 2007. Time for a new torque converter? 2000 Dodge Ram 2500 SLT 4x4, automatic, extended cab, long bed, S&B CAI, 5" straight pipe turboback, bd s363 sxe, fass 150 lift pump, quadzilla adrenaline, built REVMAX 47re with billet tc, big line kit, 175hp injectors Aug 2, 2010 · :canadaCanadian Club member 27:canada '88 379 exhd 3406C 15 40s 10 pete unimounts '93 K3500 6. Oct 22, 2018 · I had that same thing happen. il be crusing down the highway at 70 and the engine sounds slightly off and the throttle will stick and slowly decelerate for about 5-7 seconds then free up. the truck moved at the speed of low gear and idle RPM. tried 3 different pedals. The most basic form of VVT used today has an RPM crossover point to hydraulically switch between two or three static timing profiles that advance or retard a multi-valve system, and the most advanced using continuous variable valve timing (CVVT) while also incorporating variable valve Oct 23, 2008 · I have no throttle response on a QSB 5. Using INSITE, the user fueling state stays at CRANK even though engine is running. If after all of this, you still have low power, look further into the pump. THROTTLE RESPONSE SLOW (ENGINE DIES GOING DOWNHILL) Cause Corrections ----- Fuel Pump Governor Overspeeding OK f Release throttle pressure on downgrades. 8x11. It's still smoking. I took my temp gun ck. 50 Ridge Grapplers on Black Rhino 20"Sierra's, Thuren 3" Coils, Rear Shackles, Fox 2. Jun 24, 2015 · 2013 GMC 2500 LML Duramax. The throttle has no return spring on it. CCV re-route, and 4" Magnaflow turbo back. Can someone tell me how to adjust the idle on these engines? Aug 2, 2021 · I had a big cam that would start and idle perfectly, but seemed to be running out of fuel when you tried to take off, it had a tiny hole rubbed in the braided line from the tank to the pump. Jan 23, 2014 · so the throttle is driven by an actuator not a cable. Make sure the throttle linkage is adjusted so the throttle lever breaks over 3. everytime I have tried on these pumps the housing is totally wore out-----needs a total rebuild with the new seals for this crap fuel anyway so this is as good of time as any if you ask me I am sure you could get by with just taking that housing off and repairing it but in time the gear pump could of been getting weak along with the pump drive seals can be hard and go to leaking. [Page 78] CUMMINS Big Cam III. CPL is 675 I do remember that. lines and from in to out there was a temp drop so Jul 5, 2023 · The Big Cam III would also be the first Cummins engine to begin using Holset turbochargers exclusively. Sep 21, 2010 · I have been fighting with a Cummins big cam 400 vintage early 90's in a 92 Pete. Big Cam IV. 9l cummins I haven't had the truck long and my throttle is very sensitive. 2013-2018 General Discussion. It does not seem to have power that I think it should have. write)he has replaced the rad. ECSB. Fuel drain line restriction . 2. DTT built tranny. So I just finished my BD Throttle Sensitivity Booster install and test drives. On the bottom of the oil pump there is a plug about 1" diameter it's held in by a 5/16" bolt and washer. injection pump has no more than 20 miles, new lift pump Nov 14, 2022 · It was the only manual off rock auto. cdyvrxbpypjsnvltkiekbyqamtqrhzturiuabyslhpj
Big cam cummins throttle response. Checked all connections and everything seems to be good.