360 la heads. 60 valves with some bowl work and a little milling.

Apr 1, 2024 · The LA series 360 got further refinements as the '90s wore on, and by 1998 the version of the 360 that went in the ZJ series Jeep Grand Cherokee Limited could produce 245 horsepower and 345 lb-ft Feb 10, 2022 · Want to get rid of the cast heads so I picked up a set of 63cc Promaxx (SBM 171 2. He was also asking about 360 heads on a 318. 40. Indy LAX Hi-Flow Cast Iron Small Block Chrysler Head- Assembled 179cc Intake Runner 62cc Combustion Chamber 5/16 1. The LA motors have siamesed center exhaust while a poly has evenly spaced exhaust. It should have the valve sizes you mentioned. Aug 7, 2020 · I agree with everything you said there. . 576). 230 M. The equally built 360 will be about 400tq/400hp. 9 L) V8 in a Li'l Red Express Truck. Cylinder Head, Shocker CNC, Assembled, 63cc Chamber, 185cc Intake Runner, 2. Jul 30, 2021 · The heads that it had on it, which I have no idea if they were original for that block, are 360 J heads which have that cast into them; with the smaller 1. 600 Edelbrock carb - moving to a 750 RPM intake Hooker headers @ 1-3/4 (B body car, E/B body header. Jun 17, 2006 · HEAD BOLTS: The bolts are different length than old LA ones. Most Magnum blocks don't have the drilled passage so a missing hole in the gasket wouldn't matter, and it's also true when using Magnum heads on an LA block since the head wouldn't be drilled. What is wrong with the original poly heads for your car? RT Apr 21, 2014 · The debate has been settled. 88 in (48 mm). That eliminates porosity and durability issues and makes for a dimensionally-accurate cylinder head. But there is no benefit to durability or performance in a stud mounted rocker. Dec 17, 2021 · you are going in the right direction,magnum heads have nice flow numbers But, also fair warning,99% of magnum heads are cracked,between the seats. Jun 11, 2022 · What I was thinking of doing: 1OEM unshaved head for "jig" oh wait you can't SAY that, 2Make the blank plate and index to head surface 3Make at least 2 studs in lathe, grind to points for centers 4Install studs in heads, install plate and tap to obtain bolt centers 5Drill small pilot on these centers 6. 59. 5 or even 11:1 and 7600 rpm, I don't know why you're even considering factory LA heads. RHS also casts these heads with extra material on the deck surface so Find DODGE 5. When it looked like Chris, @TurboGLH might need a block for his duster we pulled a head off of Matt’s motor and it was drilled for head oiling. ) 2-1/2 dual exhaust Chrome box ignition into a regular distributor All backed by a 2500 stall, 727, 9-1/4 rear w/ 3. Performer RPM LA. just wanted you to be Oct 25, 2013 · Early poly heads on 318-340-360. 9 Magnum spec is 9. 9 mm). 0 from 83-86, and suppositively 8. We have a long and proven history building Mopar's LA Small Block and are excited to offer many different crate engine configurations of it. Intake port volume 180cc. mopar 360 srx crate Jan 1, 2000 · Since the T/A heads are virtually non-existent today, we tested a set of stock 340 "X" heads to see how our 360 smog heads stack up. 9L 8-360 Fits 92-01 Find DODGE 5. 040 in Oct 8, 2009 · There is little to no advantage to running 340/360 heads on a 318. That brings us to the rest of the buildup: airflow. gen 3 hemi heads; small block mopar heads. Then port the edel heads. T/A : Small Block Mopar LA Engine Quest Iron Ram heads level 1 ported Level 1 porting features a chamber deshroud, bowl blending and our competition valve job on both the intake and the exhaust. Head Bolts The Magnum uses different head bolts than the LA engine — all of the long bolts on a Magnum are the same length. Skip to the “final 318-360 years” for the rest of the story. Oct 19, 2021 · PCE281. Pre-Owned: Dodge. I remember reading about using LA heads and intake on replacement blocks, and using the LA heads and LA intake together will work (and I'm not talking about the intake bolt arrangement being a factor). They're largely a 360 J head with larger coolant passages, but compression is down there, 8. 9ltr Magnum heads will outflow the best 273 heads, even with Jul 30, 2020 · A true 9. Jan 30, 2016 · im currently trying to build a 360 on a budget. Dec 3, 2018 · The stock 318 heads should be about 60cc. magnum eq small block cylinder heads; magnum edelbrock small block cylinder heads; la eq small block cylinder heads; la edelbrock small block cylinder heads; aluminum head porting; crate engines. 6 ratio) same rocker as the 440-1. This is also true of a LA head on a Poly block Cylinder Head, Performer RPM, Aluminum, Assembled, 63cc Chamber, 171cc Intake Runner, Mopar, 318, 340, 360, Each. 66:1. There's millions of 360's waiting to be used, and 408's are easily had. Head Studs: ARP #360-17. Last photo is the poly head deck surface. 5+CR, Mildly reworked 360 heads(215-220-ish @. The arrows show the location of the 2 holes that are above the edge of the deck on the LA block. Cylinder Head Comparison 051 318/360 1977-83 137 Magnum 140 Magnum R/T 308 360 Swirl? 1989-93 587 340/360 1973-74; 1976 HI Performance Aluminium Cylinder heads to suit the Chrylser A LA Small Block V8, 318, 340, 360. Severe planing of the heads to compensate for the larger combustion chamber is not usually a good idea as this further amplifies problems with the port mis-match. Oct 5, 2016 · Mopar RHS Indy Cylinder Heads Dodge Plymouth Small Block 318, 340, 360 LA Heads I myself think a good set of 360 heads (ones that didn't need valve guides etc etc) that were home ported and milled would fill the need for most applications, especially if 2. 9L Diesel Fits 98-02 DODGE 2500 PICKUP 666577. My engine has zero decked flat top pistons and an 0. 9 L) has a bore and stroke of 4 in × 3. 360 as basically "stock" compression and just a cam upgrade. Apr 1, 1998 · Cylinder heads. He is interested in as much torque as possible. Accepts 360-3R Indy rectangular intake. The heads are the 1. 55-4. 055-inch options). How to Build Mopar Engines for Performance: Cylinder Heads - Mopar DiY Last edited: Feb 14, 2018 Mar 3, 2019 · If you feel the need to get "better" heads, the late model Magnum heads are about the best improvement you can bolt on, but then you need to deal with the valve oiling difference between the Magnum heads and the LA heads with a LA block. Machined for 2. You’ll see all parts I’ve mentioned at the start of this article have been used as well. 360 cu in (5. Heads are machined bare and ready for assembly. The 360-1 head utilizes a rectangular port, while the 360-2 utilizes an oval port Mar 16, 2022 · Good point! But I expect if there was an issue it would only be if someone used Magnum head gaskets on an LA block with LA heads. Forums. The head casting numbers to be used are as SmallBlock LA Engine – 273, 318, 340, 360 Torque specifications are for stock factory type bolts with light engine oil applied to the threads and the underside of the bolt head. 020” valves. This my current set up-360 30 over-KB 10:1 pistons-headers-750 edelbrock performer carb-edelbrock performer rpm cam with the following specs Duration Advertised308° Intake/318° ExhaustDuration @ . Then with performer intake, unported j heads, xe268h cam. 02's were installed with a good performance valve job. 360" Magnum 380 HP @5500 RPM, 415 Torque@ 3200 RPM Indy MA-X Heads 2. to 1 compression. Part Number: EDL-60779 3. Today I’m going to do a quick review on rocker arm options for these heads for the small block LA engine. Sep 6, 2013 · The factory 2. 360-1AS head assembly, 360-3R manifold, 360-4 rock ass’y, 360-9 pushrod kit, 360-16 head bolts, 360-11 rocker Image: Product Description: Price: IND 360-H1-1AS HEADS, INDY ALUMINUM ASSEMBLED: $3604. 2-1. 02-inch intakes, a Magnum 1. Then with the unported edelbrock heads. 9L/360 Mopar small block LA Headers and get Free Shipping on Orders Over Apr 17, 2009 · Does this only apply for the LA 360 or does this apply for the magnum 5. Jul 18 Aug 30, 2018 · The V8 versions of the LA-series started off with a 273 cubic-inch variant, followed by 318 cubic-inch, 340 cubic-inch, and 360 cubic-inch variants. Apr 27, 2022 · 340 and 360 LA heads have larger intake ports and are the only production LA heads worth using on a stroker engine. Rectangular (27) SAP (15) Round (2) D-port (1) Find DODGE 5. Contact me,I will return all calls. Comparing LA cylinder head flow numbers. mopar cylinder heads. 9 LSD. Thanks,Sam Jun 25, 2015 · To narrow it down a bit, the small block hemi 318-360 conversions were being built in either North or South Carolina and the 2 partners split and the other partner opened up his own shop , builds his own 426 style hemi blocks, heads, valve covers, intakes, etc. These engines make great power and are reasonably light. 60″ exhaust valves. 5-1 with 340/360 open chambered heads. 5~9. The heads used throughout the dyno test are the stock factory cast iron heads. 9L/360 Mopar small block LA Cylinder Heads Cast iron Cylinder Head Material and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! Way more intake choices, meaning better deals on 2nd hand parts. (With 2. Find DODGE 5. Aug 26, 2006 · '302 heads are a poor candidate for a 340 or 360, in fact, for performance purposes in general. 625-inch exhaust (with 2. currently has sealed power dish piston(ch 1. As you CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. $265. * Cylinder Head Bolts, 340-360 Cylinder Head 6-360 5. Second photo is an LA block deck. 2ltr. Mark. 3/4 reach gasket seat spark plugs. They're decent heads, not killer, but plenty fine for a mild application. Note, grind to much off and ya screwed. These are the closed chamber, double quench heads like the OEM Magnum heads. Then port the j heads and see what it makes. com has a CNC program that will have them out flowing the LA heads by a nice little margin. 9 has a shorter deck height So I searched for the stock deck height spec 5. 9intakes, Have just purchased some edelbrock RPM heads to go on Edelbrock Cylinder Head Assy 60179; Performer RPM 171cc for Chrysler 318-360 LA Opens in a new window or tab PerformanceParts - Right Parts, Right Price, Right Away Find Trick Flow® PowerPort® 190 Cylinder Heads for Small Block Mopar and get Trick Flow Makes Serious Horsepower! Horsepower fans know that Trick Flow is all about developing products that provide maximum performance, such as the PowerPort® 190 cylinder heads for small block Mopar. 60 valves with some bowl work and a little milling. 5 from late '86 to 89. 040, you'll still be lucky to maintain the factory 318 compression. Custom must supply cam specs. The engine featured here is a 360 2bbl LA series engine. 750 reach. 2146 Cast Aluminum Cylinder Head for Small Block Mopar 318/340/360, w/Hydraulic Flat Tappet Cam These LA heads are totally awesome. what i have found is 277 at . Try the xe274h. The Brodix small block B1 BA Series is usable for many applications such as Pro Street, oval track, and drag racing. The better head would be a '308 head, but even it has small exhaust ports, though people with flow benches swear they can outflow 'X' or 'J' heads. If your engine is stock 8 point something to one compression it'll drop into the 7's with big chambered 340/360 heads. Mar 23, 2011 · The bolt pattern is the same on all LA heads but intake ports vary in size (340/360 bigger than 318 & "302" heads) so you can end up with a flow killing port missmatch at the intake/head junction. Jul 15, 2011 · My 360 LA/Magnum hybrid engine is starting to come together and I'm trying to find info on the head gaskets I got in the Sealed Power/Fel-Pro engine gasket set. mopar 360 srx crate Head bolt pattern std. Head bolt torque 95 ft. This spans a long time obviously. I'm building a 360/429 motor with a forged striker assembly from Hughes Engines, strictly Mopar guys. 534˝ lift on the exhaust, a 650 Holley carburetor, a Holley fuel pump, an Edelbrock intake manifold, Clevite H-series bearings, a Melling high-volume oil pump, a Fluidampr, ARP Jan 26, 2023 · I have a 360 engine and a set of J-heads (3418915 castings). Thread starter mikedevore; Start date Oct 25, 2013 - mikedevore Well-Known Member. Cylinder Head 5. The 13/16 hex is not Jan 8, 2010 · Both the LA-X and MA-X castings feature 179cc intake runners and 67cc exhaust runners, and feature a 62cc combustion chamber. The biggest advantage is the closed chambers, they allow you to run higher compression without the fear of detonation. 1. One very important upgrade that we perform as standard practice is to install manganese bronze valve guides in place of the factory iron. 48 degree available. look under "smog pump problems" . Cams would be ground differently,not sure an LA cam will fit in a poly block. 800″ offset intake rocker (1. $350. Total Performance stocks Alloy Small Block Chrysler cylinder heads in Edelbrock Performer and DRP Cylinder heads to suit the 318, 340,360 V8's. 055 Intake Valves- Springs good to . Other than that, the Ma-X head is the same. 123X. 02- and 2. Also upgrading to a set of Harland Sharp roller rockers, 1. If you are looking to build a 400-500+hp engine, give our PCE281. Sep 1, 2010 · Milling won't hurt either. Apr 11, 2010 · I am using magnum heads on an LA 360 but the engine was built with the heads in mind. 02" intake valves with a competition valve job. 039" thick head gasket for a compresion ratio of 10. 02 Intake Valves and 1. Head Gasket: Fel-Pro #1008. 92-inch intake and 1. Magnum heads have better combustion chambers than previous LA Heads, better flow, better valves and the ratio is a nice bonus. Feb 14, 2018 · Shaft rockers/LA oiling on a roller 360 block. Joined Aug 1, 2011 Messages 100 Reaction score 1 Aug 15, 2018 · I have a sweet wee 360 with 30thou hyperutechnic pistons, balanced and running 4 speed 833 O/D with dodge 8 1/4 3. 010 difference. Test out all the "common" small blocks. It is a work truck always loaded and pulling a loaded trailer. 9L/360 Cylinder Heads and get Trick Flow Makes Serious Horsepower! 1-330-630-1555 • 1-888-841-6556. The heads fit all non-emissions, LA and Magnum-series 318, 340, and 360 engines used through 2003. Sep 1, 2021 · 20 or so years ago I had some untouched 051 heads that were about 70-71cc. 512/. Stock valve location. it has been bored . Heads fitting this description were originally installed on 1968-’71 340 engines (c/n 2531894). Home. Powerhouse Small Block Mopar Heads! 18° Intake & Exhaust Valve Angles. you can run the stock heads cracked,it doesnt seem to hurt at all,as theres literally thousands running out there right now still. In your case, like Seahawk said, the 360 heads have a larger combustian chamber so you will lose some compression, but I think in the real world, you may never notice it. 02 intake valve on a 318. 596 heads that needs one set of guides and a valve job, i want a dependable streetable 350-400 hp. Customer must supply cam specks. Nov 27, 2006 · First 360 LA's were built in 71, so you are talking from 71 up to about 1991 or so, I think. Intake port volume 210cc Nov 17, 2017 · This chart looks at an OE LA 1. 88 intake valve version and supposedly have combustion chambers that are somewhere between 65cc to 73cc volume. 9L/360 Mopar small block LA Cylinder Heads and get Trick Flow Makes Serious Horsepower! Head Gasket, Multi-Later Steel, MLS, 4. Then pair it up with a 3500+ converter and 3. This casting process creates a much more uniform and robust cylinder head. Chamber Volume. 020” size. The 360 used the large intake port 340 heads with a smaller intake valve of 1. All LA's come with the mechanical fuel pump eccentric. I have an opportunity to pick up a set of X-heads (2531894 castings). May 1, 2017 · The 1986–1991 318 and the 1987–1992 360 cams are at the end of the LA-engine’s long production run and they were switched to hydraulic roller cams before the basic engine conversion to the Magnum family. 050''234° Intake/244° ExhaustLift @ Valve. 6 Exhaust Valves. You should be aware that the kits aren’t suitable for all LA cylinder head castings. and his first name is Dave. Dec 18, 2011 · First photo shows the Poly 318 block with the bosses and head gasket. Jan 18, 2021 · To keep this answer short, we’ll focus on two popular heads: the Edelbrock and the Trick Flow castings. 02 / 1. Good intake, 750 cfm carb, Hone with torque plates, balance the rotating assy, file to fit rings, windage tray, high pressure oil pump spring, double For Mopar fans: We discuss the changes in technology and flow numbers, air speed discussion and swirl. 7. 984" Forged Pistons 9. Intake Port Volume. Jul 18, 2006 · There is another thread that covers this same topic. 60 : 340-6 MI. 340'' ExhaustLobe Separation Angle112°Intake Jun 3, 2010 · The CP116H is what you should be looking at. 325'' Intake/. 210 cc (245 cc CNC) Chamber Volume. :pale: I am in N/E Ohio. la small block crate engines; magnum small block crate engines. 9L/360 Mopar small block LA Hedman Hedders Headers and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search These engine parts are available for the "LA" series V8 engines 273, 318, 340, 360 and stroker engines based on these original designs. Categories; Contact Us; Help Center; Dealers; Jan 21, 2023 · This is exactly what I did with my ‘00 - 5. Aug 3, 2023 · Head. Feb 11, 2010 · Hi, i am looking at switching out the heads on my 360. Mar 9, 2021 · The 360 Mopar engine features 1978 Keith Black pistons, Total Seal piston rings, custom connecting rods, a COMP Cams camshaft with . 880” intake valve, but they can be re-machined for use with 2. This works out to a compression drop from from 8. 020 LA heads with bowl clean up, very good valve job, tight guides, viton valve seals, back cut intakes, 1. The Edelbrock part number we’re discussing is the 60779 option, for hydraulic flat tappet camshafts. Doing Holley fuel injection Find many great new & used options and get the best deals for Mopar 340 360 J Cylinder Heads 3418915 at the best online prices at eBay! Free shipping for many products! 6 days ago · Find DODGE 5. Head Bolts: ARP #360-16. Bal Eagle I-Beam Rods 6. Personally, a cammed 4G 392 hemi would do nicely, even a cam only a step above stock would put you at 500hp and counting, plus they are easily stroked to the magical 426 (Arrington even does 440 versions) and the engine itself is roughly the same size (of course the heads are bigger Aug 1, 2023 · Speedmaster has cylinder heads available in as-cast or CNC-ported versions. 060 360 lbs. Jan 10, 2016 · One pair (new in boxes)Aero(by Indy)LA Heads $500. Luckily they're cheap: MP part number: 4876759 Magnum engine HEADS: Any '92-up 318 or '93 up 360 will have them. However, I have used cut 360 heads on 318's and always had a good response, but mainly as the RPM's build. And when it comes to porting them, Hughesengines. In the 1965 cars, a four-barrel carb, new cam, and 10. Bore, . 1011. I want to reuse the intake and carb on the 318 because those are fine. The difference in port sizes and shapes. 171 cc. The small and large port Mopar Comando Heads were also cast from 360 Magnum castings but machined for LA Same deal. On the underside of the head on an intake runner, and under the valve cover on an intake runner. 080 in. 02 better, 340 or equivalent valve springs. The aluminum heads are gravity die-cast from heat-treated T6 aluminum. They must only be used on 340 or 360 swirl port cylinder heads. lbs. 1654 heads a try. Full roller streetable cam. The oil passage pointed out in the photo is only on the La-X head. Also note the suitable valve stem and valve sizes. 58 in (101. 75 to 1 Comp Hydraulic Roller . 46) which has 13/16 hex, . Connecting Rod Bolts (Plain) 45 ft. This casting process creates a more uniform and robust casting. I would assume that since the 360 didn't appear until 1971, that these heads are not the original heads. Thorn3686 on January 15, 2017: I broke (destroyed) the 340 in my '72 Dodge Demon. 510'' ExhaustLift @ Cam. The higher-powered engine comes with higher-compression pistons, a long-duration Mopar cylinder heads are critical components of any high-performance engine build, responsible for housing the combustion chambers, valves, and spark plugs. Lifter spacing and angle is another thing to look at. Biggest LA: 360, a workhorse turned performance engine. Aug 16, 2023 · The heads are designed to fit all non-emissions 318, 340, and 360 engines built between 1967 and 2003. 02 intake or 1. 9. 6 ratio to get about . 534˝ lift on the exhaust, a 650 Holley carburetor, a Holley fuel pump, an Edelbrock intake manifold, Clevite H-series bearings, a Melling high-volume oil pump, a Fluidampr, ARP Comparing LA cylinder head flow numbers. Thread starter kris66cuda; Start date May 17, 2013 - K. Uses . 02/1. Mar 5, 2021 · Personally, I like factory heads on a street engine; but if you're gunning for 12. 58, 360 LA spec is 9. 94 valve casting, the Mopar Performance R/T head with 2. The Edelbrock #60775 Performer RPM heads are designed for use with non-emission 1968-91 Chrysler 318-340-360 engines. Extra heavy duty rocker pedestals. More off the shelf cams available. 62 valves in and the machinist has the block right now, waiting for the rest of the parts to come in to build a 408 stroker. 488'' Intake/. Feb 16, 2024 · I currently have a 318 LA in my plymouth and I need to swap the engine because it's shot. Brian Hood Well-Known Member. Including two different camshafts. Intake Gasket: Indy #276. With the increasingly large displacements becoming common, the need for more airflow is necessary. 5 or 1. 6 days ago · Cylinder Head, Shocker CNC, Assembled, 65cc Chamber, 185cc Intake Runner, 2. In 1970, Chrysler’s V8 line started with the 318 V8 (not including the high-performance 340, which had a limited audience); then it jumped to big blocks starting at 383 cubic inches. Magnum heads require a Magnum intake so no problem with missmatch there. 9L/360 Mopar small block LA ARP Cylinder Head Fasteners and get Free Shipping on Orders Over $109 at Summit Racing! 340, 360, with B1, BS Heads, Kit Mopar LA Engine Bore and Stroke Chart Cylinder Head Casting Numbers for Small Block Mopar 360 : 3418915 : 1970 : 2. This makes them great for use in restorations, street cars, street strip cars, hot rods, street rods, trucks and all out race cars. 55’s riding on a 245/60/15 (27 inch?) Find DODGE 5. Anybody know what the compressed thickness Aug 26, 2024 · Find DODGE 5. The best choice for 340 and 360 high performance engines is a large port casting with 2. /5. LA 360's had roller cams from 89-91 (maybe 1988 also?). I haven't measured them yet. New posts Recent Posts Search forums. 88 intake valves are fine 2. 2146 which is the SB 318 360 170cc 65cc Hydraulic Flat Assembled Sep 17, 2023 · We already have LA style heads & rockers. The 360 heads are in the 70-72cc range. 030 more valve lift. Shares more parts with 318 Should be purchased in kit form (360-1K). May 15, 2015 · The head can be redrilled to accept LA intakes. I know the holes in the head can be brazed shut and redrilled, but no one mentions this. 360 la motor wont have the 302 casting heads,but it might have the 308 casting head,open chamber like all 360 heads but has a much improved exhaust port which breaths much better. 10 gears and you’re good to go. Recommended 10 degree locks for solid or roller cam. first off i found some twr pistons with a Sep 9, 2021 · We had a 95 360 Magnum motor here at a few years ago, pulled from a 1500. May 13, 2024 · It is due to the fact that they used the same casting as late heads where there is a threaded port below the manifold for smog cheap. 46 Complete heads also available with one piece swirl Jan 22, 2015 · Regarding heads, The J and X heads are pretty lousy compared to the 302/308 LA heads, but if durability is someone's goal, the 587 cop car head (E48/ELE 318) from 83-89 is the best bet. Both stock 360 and W-2 exhaust bolt pattern. The factory 2. 02″ intake and 1. 94 and 2. 88 int valve due to the back side of the valve head having less tulip to it. 9L/360 Mopar small block LA Head Gaskets and get Free Shipping on Orders Over $109 at Summit Racing! Head Gasket, Titan Copper, Right Side, 4. kris66cuda Well-Known Member. at least til around 4,000 rpm. -lbs. Joined Jan 10, 2009 Messages 128 Reaction score 0. I'm not putting "soup up" 302 heads on my high reving 340, ha ha but for a low revving 360 with "nothing" compression, a 58-60 cc head chamber might work alright. Its in a rough old 1971 Valiant ute. Bowls lightly blended and runners lightly cleaned up. Exhaust Header Gasket: Indy #282. 650 lift & 10 degree locks & Retainers Small Block Edelbrock Performer RPM Alloy Cylinder Head Complete w/springs for hyd flat tappet cam : Suit 318ci/360ci LA Block (Edelbrock Part# 60779) Suitable for Chrysler Small Block LA 318ci, and 360ci engines (non-Magnum. Reason is the ports are to big so it looses velocity. Do Chrysler heads have a way to find the year of casting? Mar 9, 2017 · I'd probably do builds like this all day long. The results of our flow test are shown in Table 1, Column 1 As with all Speedmaster cylinder heads, our Small Block Chrysler heads are Gravity Die Cast . Later models are supposed to use thinner cylinder walls. Black Magnum Valve Covers Stock Oil Pan & Pickup 600 CFM Edelbrock Carb Edelbrock Dual Plane Distributor & ICH Wires Indy LA-X Heads Available in LA or Magnum Style. Recomend them to any Find DODGE 5. 88 intake 360 LA heads {most have bigger combustion chambers thou} & any of the 5. 302 fast burn & 345 Police castings} & most any 340 2. 512- . Install in drill/ mill Cylinder Head Port Shape. Have done about 1000miles in it and it went well with steel J heads 1. Taken off and put on the shelf years ago. Richard does give the heads a very mild port job. 63 cc (65 cc relieved optional) Head. 5-1 to about 7. I'm wanting to put a 360 stroker kit in a 5. B-Series: The B-series engine is Chrysler’s first official big-block engine. 230/. 6:1 and it runs fine on 89 octane. Astute Mopar fans might think that is a typo, but it’s not. how to port swirl ports Here's another deal talking about the 88-92 308 head. I'm sure more questions will come up but first out of the gate is spark plugs. 58" Ext. Performance aftermarket valves often are less “tuliped” than the factory valves, which will make the chambers a little smaller. Years ago I put together a 350 SBC with the early small valve " power pack' (triangle on the front of the head) heads. I went with a magnum block the eq heads that odessa cylinder head massaged some 2. 920x1. The next option would be a set of 302 heads, if you can find a set that are not cracked. 625 59 Degree 360 Magnum Block Eagle Cast Crank 3. The LA 360 cu in (5. So, if the future holds a thought of power, the Magnum head has it locked up inside waiting to be tapped. Valve guides 11/32 solid bronze. 02x1. 88 intake. of torque @ 4,250 rpm Package three: 360 rebuild with stock crank, rods and windage tray. Sep 25, 2023 · If you cut the 360 heads about . 00. From stroker kits to standard sizes, from hot street to serious strip, from high flow iron heads to all out aluminum head performers in naturally aspirated and forced induction versions, if there's a way to build a small block Mopar crate engine, we build it. Thread starter Brian Hood; Start date Jul 18, 2010 - B. Intake port volume is 16cc bigger than May 17, 2013 · Best heads to use on la 360. 9L/360 Mopar small block LA Edelbrock Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Find Head Gaskets and get Trick Flow Makes Serious Horsepower! 1-330-630-1555 • 1-888-841-6556. Nov 16, 2020 · 273 V8 The first engine in the LA series was the little 273, rated at 180 hp (gross) with a two barrel carburetor. Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. Jul 18, 2010 · 360 heads on a 318 LA. And the combustion chambers are so big you'll loose alot of compression. 60 Valve Sizes, Roller Tappet, Aluminum, Mopar, Small Block LA, Pair Part Number: PMX-95625 Not Yet Reviewed Aug 1, 2020 · My "budget" 360 in my truck has a set of 308 heads with 2. These heads fit both LA and Magnum-series engines. Aug 28, 2022 · A friend wants me to build a 360 La for his Ram truck. It was released in 1971 with a two-barrel carburetor. The heads have larger valves, I would not be surprise if you get both a mileage and power increases. What would I need to do intake for it to fit a 360 magnum? It's a after market intake for a 318/360 LA. 800" offset intake rocker (1. The engine is just Jul 27, 2005 · On a Magnum block, with Magnum heads, the LA intake isn't wide enough. I would sell the 273 heads and roll the money over into stock 360 heads which are capable of 380+ HP. My question is why not the whole 360 in the fury? You can put a 340/360 intake on a 318 and forget the port size difference. You might have issues finding cracked heads, or you might not find junkyards to sell you heads, they may want to sell the whole motor. Whether you're building a street machine or a race car, quality cylinder heads are essential for maximizing horsepower, torque, and overall engine performance. It's compression height is slightly less than the KB-107's and rated IIRC @ 9. Even the worst 360 smog heads had plenty of potential, especially when fitted with larger valves and ported. 08/1. Machined for stock rocker shaft. 5:1 compression pushed that up to 235 hp (280 lb-ft) in "Commando 273" form; and the 273 was made the base engine in the Plymouth and Dodge "intermediates," as well as being optional power for the Valiant and Barracuda. 360 heads use a 1. I decided on a 360 magnum since they aren't hard to find and arent too expensive. 525 Lift Springs Viton Seals Locks Retainers Uses all STD 340/360 LA Rockers, Shafts & Intake Add $100 to Upgrade to 2. Mine came from the old MP 360/380 crate motor. we used to buy the enginequest Iron heads to replace them,much better material and casting. 10 bolt or aftermarket 18 bolt. Just an FYI. Jun 2, 2010 · Indy 360 La-x & Ma-x Heads Circle Track Chat. Cylinder Head Comparison 051 318/360 1977-83 137 Magnum 140 Magnum R/T 308 360 Swirl? 1989-93 587 340/360 1973-74; 1976 May 19, 2020 · Or use a carb Magnum intake manifold. Selecting cylinder heads for a high performance Chrysler small block is relatively easy. TKS, R. The cast-iron A-engine head has chamber volumes of 62 cc, intake port volume of 179 cc, and valve diameters of 1. TRW flat top cast pistons rated at 10. Chrysler 318 / 340 / 360 Magnum Heads With La Intake Bolt Pattern (Bare) - Part #EQ-CH318B With LA Style Intake Bolt Pattern, Replaces Casting Numbers: 53005714, 53006671, 53020466, 53020468, 172CC Intake Runner, 62CC Combustion Chamber. Aug 9, 2017 · Has anyone got a 273, 318, 340 J, 360 J LA cylinder head combustion chamber volume comparison chart or advice. I've been using E3's (E3. 625SS Valves . That’s Mar 6, 2011 · It's possible the motor is a magnum even in 91 I believe there is some crossover. The most interesting aspect of the Trick Flow heads is that this company has made the effort to build a head that can be used on both the older LA style engine that you have, but can also be used on the later Magnum 360 engines. 02 Intake Valve Add $250 to Upgrade to 2. 9 block About the only thing I keep reading about that's different is the 5. 9 360 as well. Suitable for LA engines from 1968 to 1991. Some rare, early Magnum blocks are machined with oiling passages for the LA style heads, but the vast majority does not have them and are unable to oil the stock shaft mount rockers on LA heads. They have part number 8553PT which I haven't been able to find any specs for on the web. 52 shipping. Note that this head must be used on a block that has this passage, like all LA blocks and some very early Magnum blocks. Mar 11, 2014 · most any other LA SB head will be better, even in stock form, unless the 273 heads are highly modified, most all 318 {esp. 00 Small block Mopar rockers for the LA 360 Dodge engine Edelbrock heads. 9L/360 Mopar small block LA Cylinder Heads Cast iron Cylinder Head Material and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! 1989-93 587 340/360 1973-74; 1976 596 318/360 1977-83 915 340/360 1970-72 974 360 1975-76 994 MP W2 Econo As with anything made by the factory, it's important to keep in mind that factory tolerances are not exactly what we'd call "precision machining". stock crank and rods. 91 pump gas motor. I RB/B, LA Cylinder Head Casting Numbers: The casting numbers for most RB, B, and LA heads are found in two places. Nor will they work with aluminum heads. 02 j heads I have tested flow 228cfm intake and 142-147cfm exh. From 71 to about 76 or so - the 360's were supposed to have used the same casting for the cylinder walls as a 340 - meaning thicker = stronger = better. 00 I bought these to use on my car,but illness changed all plans. P. Valve angle is stock 18 degrees. Indy 360-1 (360-1 CNC Optional) Intake Port Volume. Factory iron 360 heads from a 1979 motor opened to 2. 6 mm × 90. or Best Offer. I wish I had got the casting number off of the heads when the valve covers were off. RB/B, LA Cylinder Head Casting Numbers: The casting numbers for most RB, B, and LA heads are found in two places. These heads are perfect for street performance, daily drivers and muscle cars where more performance is needed. 600 lift, whether that is true or not, dont know and will not know for sure, since we are pressed for time, heads going straight to the porting bench, also found some info about the Engine Quest heads, which i believe are the iron ram heads Hughes Engines are selling, according to them EQ and what i read they flow 254 Jan 10, 2019 · The heads were custom made, per Valley Performance's molds of the cylinder head combustion chambers A compression ratio of 11. 9L/360 Mopar small block LA Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! 318, 340, 360, with B1, BS Heads, Kit. The port volume increases from 160 to 165 with a 1. Categories; 5. With a small Sig Erson cam. Thread starter roadrunninMark; Start date Oct 4, 2021 - 1; 2; 3; PCE281. 88 intakes will fit fine, but a notch in the top of the cylinder is required for a 2. PC3048/9, PC3048/9C New Chrysler Aluminum Small Block Motorsport Cylinder Heads, 65cc Combustion Chambers 170cc Intake Ports. Oct 15, 2001 · The 3769974 is the 75-76 360 head. Best to measure what you have if you really want to know. Additionally, some of the Suitable Dodge 360 LA Engine Cylinder Head Casting Numbers. 02-inch valves. Just pay attention to the smaller head chamber cc Dec 17, 2020 · Mopar's Magnum 360 crate engines were offered in 300- and 380-hp versions, both based on the production Magnum 5. Heads use OEM type 318-360 "LA" shaft rockers Bare heads. May 1, 2017 · Indy Heads offers cast-iron 360 LA-X heads for the A-engine, which feature five valvecover bolts and the dual-exhaust bolt pattern. On an LA block with Magnum heads, an LA intake fits. Part Oct 4, 2021 · Speed master LA heads. 340 heads have a larger intake valve with a 2. Magnum heads are overlooked as an LA upgrade because of the complexities of the rockers and oiling. Good intake, 750 cfm carb, Hone with torque plates, balance the rotating assy, file to fit rings, windage tray, high pressure oil pump spring, double Fastener Type: Torque Specs: Main Cap Bolts: 85 ft. 94 valve port, and the EQ Iron Ram with both 1. 525˝ lift on the intake and . Dec 29, 2011 · The Poly 318 has a different intake and exhaust spacing vs the LA 318/340/360. Install in drill/ mill Nov 20, 2021 · 340-360 milled . 60 Valve Sizes, Flat Tappet, Aluminum, Mopar, Small Block LA, Pair Part Number: PMX-9560 Not Yet Reviewed Jul 11, 2022 · Finally got the top end off my 360 and am preparing to install the Promaxx heads that I've been lugging around for over a year. 86 out of 5 stars Nov 20, 2021 · 340-360 milled . 60) aluminum assembled heads, I'm planning on raising the CR to about 9. The chambers are 62cc. 500), fairly hot cam, nice intake/carb/headers. 9L/360 Mopar small block LA Head Gaskets. Cylinder Head Bolts, 273-318: 85 ft. . Owner bracket raced it and put alum heads on it before Chrysler Dodge Magnum 318 / 360 1992 – 2004 Cylinder Heads, Assembled (Pair) - Part #EQ-CH318AA Replaces Casting Numbers: 53005714, 53006671, 53020466, 53020468, 172CC Intake Runner / 62CC Combustion Chamber – ASSEMBLED. 02 j heads also have an exact 72 cc chamber. 9L/360 Mopar small block Magnum Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Final Day! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Jul 27, 2020 · Have you ever asked yourself the question “What’s the best small block Mopar heads for my 318, 340 or 360 Chrysler V8 engine? small block Chrysler LA cylinder Oct 25, 2006 · Head bolt length is also different from the older LA heads, so Magnum head bolts must be utilized as well. Comp Cams Magnum hydralic 280 cam. 02's) The smaller head port will not be a big issue. dar ntaj zcikr gfaa utmjos mynlw rtgzsjg gzxnfmx qtjqwlzu mknk