Gto l92 heads. As Seen In GMHTP - Project Head Poncho FASTLSX.

Gto l92 heads 664/. I realise the drawbacks to an L92/L76 setup pretty much lie in the L76 intake manifold. There is no way you would fit a megadeth or even high 230s cam The L92 heads will be interesting - and if they prove to be better than the current LS6 heads and do provide added performance; I think it would be smart for an aftermarket company (or GM) to make an intake manifold that will bolt up to the L92 and still be used in car applications. 632/. Jump to Latest Heads+cam. 632 on a 110 lsa, WCCH 317's, Super Vic, DSS axles & stubs, BC Coilovers. I don't even know if these fit or will work but thought if they would, I would rather give CCG8 and CCGTO first shot. I’ve been floating the idea of buying a high mileage 05-06 GTO for 8-9K and simply putting in a fresh 416 short block, rebuild the stock 243 heads, put in a Lingenfelter GT2-3 Camshaft (207/220 duration @ . Konnie the Goat · Premium Member. If you use the search button and type in L92, you'll find a lot of info. 2 iron block, Ls3 heads & intake 2003 2500hd 2006 GTO LS3 heads milled 0. 1 9 of 14 Go to page. jr. They started with a crate LS2 fitted with a stage II Livernois cam (232/236 @. 050, . 7 & I'm wainting to go with L76 intake & L92 porting head. The result is a head that moves to a 4" bore far better than a ported stock casting! Wouldn't it be more L92 heads for the LS2 though instead of 317s? Click to expand Looks like too much trouble to bolt up L92's to the LS2. , 231/242 cam,pacesetter lts and a Complete Street Performance tune and an A_VAS build. com is a forum community dedicated to the LS1 Pontiac GTO. Jump to Latest FS: L92 heads + L76 intake` Jump to Latest 1. 71@128 with a 1. Comp 223/239 0. Engine Discussions injector size help. So I just ordered a brand new set from a guy who bought them but never used them. If you are buying new heads why not upgrade to the rectangle port. Jump to Latest LS1/LS2 Engine Tech. The heads were milled . Has anyone done this with a mild streetable cam and had PTV clearance issues? Also I have read that if you mill the Had the car tuned this week by Ed from VA Speed on a local dyno here in Pittsburgh. i would like to eventually but a procharger on so i dont want to have to buy injectors twice. Would have been one hell of a race if we ever ran, I would have to say who ever cuts a better bulb would have won For Sale 05 GTO - Monster stage 3, MGW-P, Corsa Sport, Lovells Read about gaining horsepower from an LS2 using the L92 Heads from GM High Tech Perfromance Magazine GTO, SSR, Trailblazer SS, or as a crate engine from GM Performance Parts. Once again the limiting factor of L92 heads is the intake on a stock cubed LS2/LS3 and the FAST has shown it is worth nothing. 610 w\ full cam i thought about sending my 243 heads to AI but then more is achievable with the l92 swap so im going with the l92 heads for less money and more drivable power ,for me anyway i like the power more midrange (tourqey) and possibly a stroker kit down the road would be nice but for now ive got to get the parts alltogether. So far so good. 04 Red GTO M6 - tinted windows - Compustar alarm - PC kit for the shine shine - Pacesetter LTs and catless mids The 2004-2006 GTO. If you do, make sure you get a wide split cam or you'll make so little power, you'll go backwards when you mash the throttle. The PRC LS3 aftermarket castings also heave relocated valves to improve cylinder wall to valve clearance. Plasti Dip tints. what i want to know is if the L92 head swap is ok on an LS1 and what else needs to happen when i do this. 1. 578 lift with 1. SK360. 5 compression ratio, so what should I do to rich this ratio? replace pistons with stock flat pistons or milled the heads & which head gasket should I use? 2005 GTO A4, Quicksilver/Red (1 of 130) 12. Save 2005 GTO SAP PBM M6, Red Interior, Flat Splitter, "Pedders Steering rack, GTO supercar coil-overs kit, Full bushing replacement," GMM Rip-Shift, "DSS 2-piece 1000hp drive shaft, axles, C. 600 lift on a 112 degree L92 Heads are rectangular ports and not cathedral, meaning the intake WILL NOT work with 243 heads, you must use the 8253 L92 Heads (LS3 Now) 3. shafts" Eaton true trac 3:91 The 2004-2006 GTO. 600" of lift, so going bigger than that on the cam doesn't really help and further compromises the narrow PTV clearance Precision Race Components L92/LS3 64-72cc Stage 2. 2006 GTO Black/Black M6 "Charlotte": Ported PRC LS3 Heads / Flowtech AK-47 cam (23x/23x . By Ed Blown Vert in forum GTO Replies: 0 Last Post: 03-16-2011, 10:30 AM. Jump to Latest 161 - 180 of 268 Posts. 0 LQ4, L92 heads milled 10. 030 to raise compression. 39@149 1. 160'' Intake Vavles 1. LS1GTO. com is a forum community dedicated to the LS1 Pontiac L92 heads, unmilled unported, L76 intake, and a "L92 custom" stage I comp cam from Livernois. Full Forum Listing. For a stock short-block with no valve-reliefs cut and L92 heads, the 228R will be the largest camshaft LS1/LS2 Engine Tech. Billet tires. 75 inch SLP headers, Stolenfox H pipe, and KN cai. We have seen guys take stock camed LS2's/LS3/L92 heads with bolt ons and put down an avg of 20-30 HP less than guys who take stock camed LS3's with simular or same bolt ons and make 20-30HP more But that type of loss he would also experience with an "aftermarket" head or a set of L92 heads. (L76 Intake/L92 Heads, LPE CAI, 1 7/8ths catted ARHs, Magnaflow CB, UDP, 160 Tstat, Professional Install/Tune) 415 HP/407 Ft-lbs TQ (w/stock cam) :wiggle: GTO Tech. Joined Apr 28, 2006 · 27,015 Posts #161 They also never tested the L92 heads with the new cam 231/231, the only test done with the L92 was on a factory cam? Always a lot of talk so I have comprised a list of all the owners with L92 heads and a stock bottom end. Come discuss mods, horsepower, engine specs and more! Show Less . If I missed anyone please let me know as well as if I stated something incorrectly. 62x 113) L92 heads - $800, then selling old heads $400 = $400 for the same power as the first option (with room to grow while the first option is maxed out) Save Share 2006 GTO Black/Black M6 "Charlotte": Ported PRC LS3 Heads / Flowtech AK-47 cam (23x/23x . 2L LS3 that powers the base corvette. 6xx 11x :secret:) Built 4L60E 3200 Vigilante torque converter Summit Underdrive pulley Pacesetter Always a lot of talk so I have comprised a list of all the owners with L92 heads and a stock bottom end. They ran a comparison on an LS2 with the L92/L76 setup. 600" of lift, so going bigger than that on the cam doesn't really help and further compromises the narrow PTV clearance due to larger valves than the LS2 heads. any opinions greatly appreciated l92 cylinder heads ported prc double springs l76 intake manifold ported tsp camshaft 231/236 . ls3 head swap in progress. Save Share Reply Quote Like. Jump to Latest 2. 632/694 on 150 shot - Thinking of selling my kit. L92/L76 Swap, Yella Terras, Tiger Shark Cam (Ed Curtis at Flowtech), Yank ss3600, Kooks stepped, Spintech, Konis, pedders, superpro, noltec Red Interior, Flat Splitter, "Pedders Steering rack, GTO supercar coil 05 GTO A4 Torrid Red A4- New combo 418 Ls3 prc stage 2 l92 heads etc-505rwhp/501 rwtq - 10. A forum community dedicated to Pontiac GTO owners and enthusiasts. We already have the cam swapped and are ready for reassembly. Jump to Latest 918 views Cancel Create thread New Forums More Login / Join New Forums More Login / Join LS1/LS2 Engine Tech. 610/0. Dustin For sale are a set of brand new, never used L92 (823 casting) heads. 99 boringly stock engine w/o Gym Bag Best ET 11. 62x 113) I'm attempting to check lifter preload. everyone look this over and see if its correct. 590'' Exhaust Valves 0. I run a 05 GTO LS2 with L92 heads/L76 intake in my 67 Chevelle. Confirmed that the L92 heads are on the LS3, which is great news for us. Joined Sep 9, 2005 · 6,660 Posts 2005 Black GTO (427 Build In Progress) 2009 Black Silverado Z71 4X4, 6" ProComp Lift/Wheels (STS Turbo Contemplation) Special Thanks LS3 418, L92 heads, LS3 intake, custom cam, Fast 46 injectors, Kook's long tube headers, Kooks catless mid pipes, DMH e-cutouts, Monster 5 + lw fw, 3. 660 lift springs. 660" lift. 553 w/Gym Bag Open Best trap 118. If I remember correctly,,,the LS7 heads are a 12 I bought my l92 heads ported, milled for ls2 compression, springs, rockers, and new arp head bolts for 860 on eBay. i was thinkin 50psi injectors or bigger? LS1/LS2 Engine Tech. 5 & 19 X 9. If you swap to a bigger cam, you'll need better valve springs and hardened pushrods regardless of what heads you use. 0L engine shrouds the 2. Dart 225 heads fully worked by PMFL, FTI StreetSweeper cam 236/240 . L92 Heads & FAST Intake. 62x LS1/LS2 Engine Tech. As Seen In GMHTP - Project Head Poncho FASTLSX. ArthurJGuy Discussion starter. 8, 4l80e trans, FTI stall, tuned by Heinz Racing:crapfan: LS1GTO. Stock LS2 block, L92 heads milled 0. There was a wide verity of engines put LS1/LS2 Engine Tech. SWEEETTT!!! Definitely looks like there is alot To help answer the original question,,,the L92 heads and the LS7 heads are not exactly the same head as it seems to be referred to here. Still running stock gears in the back. Then L92 heads on a stock cubed LS2 sucks. I would like to mill the heads to get some compression back maybe down to a 67 or 68cc. CNC LS9 heads, Built 4L80e, FTI triple disc 3200 stall, ID1300, duel Walbro 450 pumps 8. Decked L92 head on LS2 - quick question. 99 each L92/L76 Cylinder Head 70cc Combustion Chamber 2. So, the general agreement is (but always measure yourself, or The stock L92/LS3 heads' flow starts to drop off after . 624 lift 114 LSL lobe. GTO Tech. 3L heads, both being worked. 14. 1 comp. Jump to Latest 9. Figure this setup with a good cam and ported intake will EASILY match your average big name aftermarket head setup with a ported FAST intake. 7 rocker 118. Also im worried about my cam not matching up with the If you decide on new heads, you will have to decide between aftermarket cathedral port heads, or Ls3/L92 rectangle port heads. Save Share Reply LS1/LS2 Engine Tech. Just have them Most other aftermarket heads will be over $2000 for the heads alone. 16 intake valves and hurts their flow potential. 0 L, L76 G8GT. 62x/. 0L, regardless of cam. Would this be significant enough to warrant some sort of machining on the intake port side of the heads? What's New ok, did some searches and all i could find was info on L92 heads for LS2's. I'd be interested. The L92 heads have a larger combustion chamber than the LS2 heads. 5 Cylinder Heads Fully CNC Ported & Assembled With Factory GM 2. Stainless steel valves with Patriot 8501 dual springs good to . I have a cam and CNC heads due I have LQ4 iron block with stock dished pistons. Q. Great mid-range power is to be had with moderate compression. L92 heads milled and lightly ported (done myself) with lightly ported L76 manifold (also done myself), Torquer 2 Cam, Yella Terras, Comp Beehive Springs, Comp Titanium Retainers, UD Pulley, SLP Thermostat, Volant CAI, SLP LT's and a Borla Catback. 89 @ 120 - Working on 60' 504/491 on nitrous tune. Yes everything Anyway you don't need ported l92 heads to reach 470whp you can do it unported. 6xx/. i have my list of mods ready for my l76/l92 conversion. 2005 GTO A4 QSM/Black 18" Mods: K&N CAI - LS3 Heads/Intake/Injectors - Cam TBA - IAT Relocate The L92 engine is in GM's truck line and is 6. AFR, ETP or other after market LS2 heads? Box Stock L92's made 3-5 more HP than AFR's in a Hot Rod dyno test. Had my L92 heads milled 0. Jump to Latest Description: New upgraded CNC L92 cylinder heads. L92 heads plus supercharger? Jump to Latest 2005 GTO: FTI TH400 & 5200 stall, 10. Engine Discussions. Sound clips welcome . 055 and Found Bare L92 heads at Jegs for $282. 581/ . LS1/LS2 Engine Tech. You can get a whole L92/L76 swap kit for about $2100. It should improve flow, but will these heads lower my compression? 2004 Phantom Black A4 GTO - Flowmaster catback, Dynatech LT's,Cat delete, Comp 220*/224* 530"/534" 112 lsa, Comp 1. Engine Discussions Heads+cam. . i mean every one glows about them being a GREAT cheap Head that make good power. The cam is 224/224 . For the heads part of this build I decided that L92 heads seemed to be a very affordable head with extremely good flow and results on 6. Jump to Latest Here's my question, how do l92 heads suck at part throttle as suppose to ls2 heads? It doesn't make sense to me. Also the camshaft is like your boss at work he or she tells you what to do an you do it. 2005 IBM A4-Sold L92/L76 Swap, Yella Terras, Tiger Shark Cam (Ed Curtis at Flowtech), Yank ss3600, Kooks stepped, Spintech, Konis, pedders, superpro, noltec I know guys "claim" that cam'd stock head LS2 GTO's can make 440-450rwhp but they are Full Of Shit. That means more intakes will be made, and swaps for our cars will become easier. Jump to Latest Follow Follow LS1/LS2 Engine Tech. The 2004-2006 GTO. 0 Turbo Totaled by some GTO Tech. And, as complete 13. Jump to Latest 1969 Firebird: 6. 31 gear 4200LB Tuned by Nola High Performance LLC. To help answer the original question,,,the L92 heads and the LS7 heads are not exactly the same head as it seems to be referred to here. 571/. 38 60" 19lbs no times with custom 6766 turbos with the APS kit Heres a dyno graph of my dads vette with a 224/228 cam, L92/LS3 heads milled to stock compression and 8 psi with a centrifugal blower. 2006 GTO M6 with HPE s2 cam, L92 heads, L76 intake, Long tubes, and 3" spinntech exhaust (untuned) For example, Jeff Creech at CAM did up a 2005 GTO package that made 425 peak RWHP using this camshaft and long tube headers with cats! and one of his famous tunes. 4 hardened pushrods = $80 shipped . 030" and the machine shop measured a combustion chamber at 65cc. 62x 113) If you look at the cams that make power on the L92 heads, traditionally they are a retarded large intake with a moderate exhaust (similar to what you have on your current cam's exhaust). 2 will make more power on the basic fundamental principle of more cubic inch and more cylinder volume capacity. Debate over heads. 510'' Valve Lift Bare Head, Sold Individually My idea is to get them bare and install PRC duals on them, my question is, should i mill them to 65CC or would they work better at 59CC ? In testing the three cams and 2 sets of heads in this build we proved several things. Joined Oct 4, 2004 · 673 Posts. Looking for feeback on ONLY L92 or LS3 head'ed cars. Jump to Latest Well I am about to do my l92/lS3 heads/intake swap and install a Texas speed 224r cam. COM LS3 418, L92 heads, LS3 intake, custom cam, Fast 46 injectors, Kook's long tube headers, Kooks catless mid pipes, DMH e-cutouts, Monster 5 + lw fw, 3. 0 or greater, so the L92 heads can be installed. 2005 GTO/M6 6. 3:1 iron 410, 255/263 . 08 w/Gym Bag Open It is my understanding that the l92 heads are about the same price as 5. LS1/LS2 Engine Tech I know the LS3 heads flow more than LS2 heads so I am looking into aftermarket LS2heads with a 62 cc to up the compression. V. 5 to 9. Mike . 2005 GTO Midnight Blue A4 1 of 368 New Setup: LQ4 Iron 6. 0" bore of our 6. (506/468 old set-up with a few If you go with L92/LS3 heads, you'll need to use L92/LS3 head gaskets. Just food for 6. I would greatly appreciate any advice or help or words of 403 Iron motor. The l92 are stock i just added a fast 102 intake and nw 102 tb and circle d 3800 stall with a 230 236 cam. 0, Maggie 122HH, LS9 ZR1 camshaft, Kooks 1 7/8 LTs, 3in Catless exhaust w/Magnaflow mufflers, Cold Air Inductions CAI I havnt seen many guys go with a setup quite like this so im not sure what the powerband will look likehopefully one of our resident head guru's will help me out! My other option is an L92/L76 setup. L92 Heads/Info and Owners In Here. L92/L76 Swap, Yella Terras, Tiger Shark Cam (Ed Curtis at Flowtech), Yank ss3600, Kooks stepped, Spintech, Konis, pedders, superpro, noltec Red Interior, Flat Splitter, "Pedders Steering rack, GTO supercar coil The 2004-2006 GTO. Always a lot of talk so I have comprised a list of all the owners with L92 heads and a stock bottom end. I always like OEM performance parts. yet I haven't seen stock vs stock flow numbers. 4K views 9 replies 6 participants last post by Wynoe Jan 30, 2009 What would need to be done to swap a l92 long block into a ls1 gto?I know the intake needs to, but I'm wondering about the sensors and stuff. OP, if you do go the 317 route, it uses the same exact valvetrain as the 243. intake with a 4150 tb. 06 SPICE RED GTO 6 SPEED UPP TT 718/836 416 Forged LS3CURRENT 2012 F150 ECO BOOST (AWESOME) TOW GTO Tech. Originally both valve cover breather tubes were blocked and PCV connected. Livernois cammed. however, the cost of getting them is virtualy the same as getting some worked 243's, correct? i dont see any L92 headed cars making 475+, yet plenty of 243 style heads do this. 1K views 3 replies The new pricing gives our customers the ability to buy the best possible L92/LS3 cylinder head for pricing that compares with the newly released GM cnc ported cylinder heads. Just asking if it is true that the L92 heads need their own style cam grind to perform at their best (gaining torque and HP in the low and high rpms), as opposed to buying a cam meant for traditional style heads like the megadeth, torquer, S-cam, etc. The Vortec 5300, or L92s are the heads that now sit atop the LS3. 5 compression ratio, so what should I do to rich this ratio? replace pistons with stock flat pistons or milled the heads & which head gasket should I use? 05 GTO A4 Torrid Red A4- New combo 418 Ls3 prc stage 2 l92 heads etc-505rwhp/501 rwtq - 10. Don't worry about porting the heads. Jump to Latest 600 views If you were to deck the L92 heads 30 off, then that would change the angle/gemoetry at where the intake mounts to the head. Ported l92 heads on a 364cube ls2 only lay down an average of 8whp. 2005 IBM A4 GTO Kooks/Corsa/Mav Man CF/19"CCW SP-500's/BC Coilovers/Wilwood BBK F&R VA Speed Milled LS3 Heads/Cam/Intake/Built Trans FTI Converter. They were professionally (lightly) ported by a local shop. Its a A4 with a vig. COM. The part number listed comes with intake manifold, 90mm Electronic TB, 39# injectors, fuel rail, and gaskets. My favorite thing about these heads is you don't need a very large cam to make good power, and mostly have a really, really good L92 or LS3 head users - what is your plug gap? Jump to Latest 22K views 11 replies 6 participants last post by ArthurJGuy Jan 7, 2009. Gregory · Registered. Additionally, you'll need L92 rockers and pedestals (LS7 rockers might work too, but double check that first). Save Share 1964-1974 Tempest, Lemans & GTO General Discussion 2004-2006 GTO General Discussion 1964-1974 Tempest/LeMans/GTO Tech/Electric Wiring Service, Maintenance and Technical Discussion Member Introductions 2004 torrid red with red interior A4 GTO (1 of 499) 85% T4P L92 heads Jeremy Formato ported LS3 intake Vararam Kooks 1 7/8 Custom BRE cam (236/248 111 . 610 . L92 Heads/Info and Owners In Here I was here posting about the GM Nationals and it struck me that maybe there might be some interest is a set of L92 heads off of a 6. Come join the discussion about performance, modifications, troubleshooting, maintenance, history, and more! My L92 heads were milled down to 64cc and I know the pistons are flat top with -4cc reliefs. About the car: Its a 402 w. Assuming everything stays the same except for the addition of the L92/L76 combo, how much extra power/torque should I expect? How will it rate vs. Jump to Latest 5K views 0 I had my new long block consisting of a LS2 stock bottom with stock L92 heads, stock LS3 intake, and cam on the dyno today. Would this be significant enough to warrant some sort of machining on the intake port side of the heads? LS3 418, L92 heads, LS3 intake, custom cam, Fast 46 injectors, Kook's long tube headers, Kooks catless mid pipes, DMH e-cutouts, Monster 5 + lw fw, 3. 2006 GTO Full bolt on, TSP Tsunami Cam & 150 wet shot of Nitrous making 589 RWHP 627 Ft Lbs 2003 Silverado 2500 HD, 2018 Malibu 2. Discussion Starter . Cathedral Port Heads. 0L's. Jump to Latest 3,961 - 3,980 of 3,998 Posts 2006 IBM GTO Kooks LTs and Catted Mids, X pipe, SLP Loudmouths, All the Pedders Bushings, Hotchkiss Sway Bars, Aeroforce Gauges, VR Racing Short Shifter, SAP Front Fascia and Grilles, VX Tails. 62x 113) / Ported LS3 Intake & LS2 TB / Kooks 1 7/8 LTs w/cats Svede 2004 PBM A3 GTO | LS7 H/C/Twins | 1500+ RWHP 2006 SR M6 GTO | Cam | Monster | MGWP You can mix and match LS3 heads or intake with L92 heads or L76 intake - but not your LS2 heads or intake. 8K views Had the car tuned this week by Ed from VA Speed on a local dyno here in Pittsburgh. mods=408 iron block,SDPC cnced ls3 heads,11. Scyry · Murphy the RMGTO Mod Dog. I know the L92 heads are better then stock lls6 (243) heads. 06"). 91's, Gforce Stubs, Axles, Aluminum drive shaft, large array of suspension, nitrous. Fuse Performance fuel feed (Custom E55 Blend) New Best with LG turbos 9. (494 rwhp) Jump to Latest 404ci balanced callies crank and rods and diamond pistons advanced induction l92 heads, formato ported ls3 intake and t/b and tune,slp headers varraram,underdrive pully,custom grind comp cam 246/254 623/623 113 , fti 4000 rpm stall,custom built trans by me,315/35/17 nitto dr's 245/45/17 LS3 418, L92 heads, LS3 intake, custom cam, Fast 46 injectors, Kook's long tube headers, Kooks catless mid pipes, DMH e-cutouts, Monster 5 + lw fw, 3. As such the 243s are the standard upgrade for GTO motors, except for when the bore is 4. 8200 posts · Joined 2006 Add to quote; Only show this user #1 · Jan 6, 2009. 510/480 417 Darton Sleeved LS3, built by Abacus Racing. started the first pull at 444hp and ended the with the 4th pull at 489 wrhp and 447 rwtq, plus my pacesetter headers The stock L92/LS3 heads' flow starts to drop off after . Had the thing Dyno So there's the math: Heads +35-40rwhp. Jump to Latest Follow LS1/LS2 Engine Tech. I swear Since the Ls3 heads are the same as the L92 heads but with better valves, they should fit on an ls2, correct? Is the price about the same(ls3 heads and intake compared to the L92\L76), and is it worth it to put the ls3 heads over the l92 heads for a NA motor? 2004 GTO M6, spoiler delete (welded/painted), TSW Vortex 19's, itsme 6 piston L92 Heads/Info and Owners In Here. Contemplating going with the following TSP cam: 225/230 . LS9 ZR1 heads share the LS3/L76/L92 casting You can sell your 243's and intake to an 04 gto owner easily. Cam +57rwhp, Tony's intake porting +7-10rwhp = 105ish gain. The L92/LS3 heads have larger relocated valves, larger rectangular intake ports (as opposed to the LS2's cathedral port), as well as increased intake and exhaust flow. 06' GTO M6 Torrid Red on Red (Sold) 2003 50th Anniversary z06 (New Toy) LS3 418, L92 heads, LS3 intake, custom cam, Fast 46 injectors, Kook's long tube headers, Kooks catless mid pipes, DMH e-cutouts, Monster 5 + lw fw, 3. I tried the scribe method, but do not have anything sharp enough to mark the pushrod or a marker or anything with a sharp enough point to do it. The LQ4 compression around 9. Goal of 480whp or more. I have heard good things about the L92 heads and L76 intake. 8K views The 2004-2006 GTO. 2017 Chevy SS w/ dead hooker in spacious trunk L92 Heads (lightly ported exhaust), Torquer 2 Cam, L76 Manifold, Yella Terra's, SLP UDP, SLP LT's, Borla Catback, Volant CAI, LS7 Clutch & Flywheel, Harrop Differential Cover. I think you can get a nice pair of cathedral port Trickflows, or a L92/L76 head and intake kit for about the same you use LS3 intake & glue the LS2 map sensor- LS3 intake will bolt up to the L92 heads. LS1/LS2 Engine Tech L92 heads or Ported ls6 heads L92 heads or Ported ls6 heads. But if you're going to have everything apart, just go the extra mile and toss in a cam, that way you won't have to tune twice. I have not seen anybody's CNC L92 heads gain 35-40rwhp over stock L92 heads in a 6. Also The 2004-2006 GTO. 2/LS3/L92 heads the 6. 165" Intake Valves and 1. Dyno testing from the PRC L92/LS3 cylinder heads have show over 20hp gains over the stock l92/ls3 cylinder heads! No, You must purchase the L76 intake manifold (P/N 12590123) for the L92 heads to work on your LS2 GTO. 400" pushrods, and Yella Terra rockers. Engine Tuning. Hell, only a few heads made today can barely beat out the LS3/L92 head setup on a LS2. Jump to Latest 3. 8:1), L76 intake, 90mm Holley TB, 85mm MAF, 39lb Ford SVO injectors, custom Comp cam (222/238 duration, 581/605 lift, 114+4) Hooker long tubes, PYPES dual exhaust with an X pipe, 4L60e with all of the good parts inside, TCI 3500 Super Street Fighter TC, 12 bolt with 3. 06 GTO: Full Suspension, FTI Ed Curtis Cam, Mast Heads, Gforce 9", Custom Twins coming The 2004-2006 GTO. 9K views 10 replies Almost done collecting parts for my heads and cam swap, big items that remain are the cam, springs, and pushrods. (non locked)Unfortuently the car still has the stock airbox, and stock exhaust manifolds and stock exhaust. I got it from Texas Speed. Upgraded valvetrain w/double springs, big ass hardened pushrods, Trying to figure out the best way to run my crankcase vents. See the redone list below in post #7. ,vic. 9 Cummins swap. L92 heads, and a mild cam. PB pre latest work: 11. Thats where you lose the little bit of comp. FREE PICTURE HOSTING FOR ALL GTO OWNERS! 05 gto, stroked, twin tc78s, powerglide, etc 12 F250 CCSB FX4 6. In the big L92 thread, someone put down ~415hp (don't remember the tq) with the stock cam and L92 heads. They have been milled down to 64cc (for LS2 compression). 025, springs upgraded, and a stock GM head gasket was used. I believe its called the Avenger cam by Alvin at PCM I'm building a TBSS (same LS2 engine) with L92 heads that have been decked . Remember, the 4. 650 lift cam but with that size cam you will have clearance issues unless you dish the pistons or replace them. My torque numbers were low. Also Here are the numbers on my GTO, I'm definetly happy with how it performed. Not that I really am I know u love you some l92 heads. 581 114. 2006 GTO Black/Black M6 "Charlotte": Ported PRC LS3 Heads I have ported and polished L92 heads and I'm using the stock L76 injectors on my 427 and I don't ever see more than 80% duty cycle at WOT. 50 cage and f body front suspension 1970 SS Nova - s480 lc9 73 camaro - ly5/80e 1988 suburban - 5. To get a Ls2/Ls6 head to flow what a L92/Ls3 head flows will take a lot of work, and you'll never be able to match valve sizes. 19842 posts · Joined 2007 Add to quote; Only show this user #3 · Feb 1, 2011. They come complete with stock L92 springs, rocker arms, pedestals, valves, and ARP head bolts. ZEIKE524. Save Share AI ported LS6 heads 06' GTO. Also 05 GTO A4 Torrid Red A4- New combo 418 Ls3 prc stage 2 l92 heads etc-505rwhp/501 rwtq - 10. 617"/612" 112 LSA (113 is also an option) Anyone running this cam? How's the Dynatech GTO SuperMaxx Header System, Cam (unsure what exact cam), Valvetrain Kit, L76 intake manifold kit, L92 Cylinder Heads Here is a link to the youtube video I made of it. 62x 113) Custom Grind Cam, Ported Intake and Throttle Body, Custom L92 heads, Volant CAI, Magnaflow Cat back w/xpipe, 150 wet shot: Tuned by NicD! Other cars in the garage: 2007 Chevrolet Tahoe 2004 Suzuki Hayabusa Limited (bone stock for now) GTO Tech. 5. The L92/L76/LS3 heads will jump you up to a 70cc chamber, which would help your compression on high boost. 617 lift) 504/491 N/A on 93 Octane on a nitrous tune I want Forced Induction GTO Tech. I have L92 heads, milled, ported, with aftermarket valves, springs, retainers, etc. /////. l92 heads. Get a set of bare l92's for $400, add some nice double springs, titanium springs, retainers nice rockers and some good exhaust/inatke valves. 981 @ 105. One thing i do notice, however, is the L92 heads seem to get high numbers Finally completed my l92 head swap and just got it dyno tuned last night. Stage 3 keyboard. 3 engine list. 73 gears. 6xx 11x :secret:) Built 4L60E 3200 Vigilante torque converter Summit Underdrive pulley Pacesetter The ls3 heads have larger valves and can handle a . They have a different intake because they have square ports which don't match up to (and flow more than) the cathedral ports of the I ask this in light of the fact that Vengeance Racing is able to produce 520 RWHP/500 RWTQ on a 415 CID L92 on Pontiac GTO through a M6 with unported L92 heads My heads and cam swap took me forever but this one is a damned breeze. 030", LS7 lifters, 7. The ls3 heads have larger valves and can handle a . East Coast Holden Parts NOS/OEM Parts for the 2004-2006 GTO 2006 GTO Black/Black M6 "Charlotte": Ported PRC LS3 Heads / Flowtech AK-47 cam (23x/23x . Engine Discussions Hey guys I am gonna be picking up a set of LS3/L92 heads as soon as the tax return comes and then I will be calling EPS for a custom cam. GenIV>GenIII So how much better are the L92 heads than the 243's. 5 CL), new springs & lifters and then still run the stock exhaust. Some trucks use different intakes and cams along with tuning, intake and exhaust. See less See more 3 2006 GTO M6, AFR 205 heads ported by Tony Mamo, Trick Flow hardened pushrods, 228/228 588/588 114lsa Comp Cam, Ported FAST 90 intake, Yella Terra Rockers, Kook 1 7/8 LT, K&N intake, catless mids, Flowmasters Super 44's, HP tuned 2005 GTO, IBM/Black, M6 Show: VX Tails|20% Tint|TSW Mondellos Twisties: Hotchkis Sways|Pedders 0mm Front/+3mm Rear, Big Bores, GSR Struts|Noltec Bushings L92 heads, stock short-block, and that big a camshaft will have clearance problems. Like I said, how's your mod fund look. LS7 is a rectangle port like the LS3 and L76/L92. Here are some details from the article hope you get to read it. 91 gears gear I have LQ4 iron block with stock dished pistons. Square Port vs. If you go with L92/LS3 heads, you'll need to use L92/LS3 head gaskets. Jump to Latest Follow What's New Just send your L92 heads to Ed and let him do what needs to do to be done , you won't be disapointed . Cathedral Port Heads I just picked the new GM High Tech Performance at the store. 2 liters, L92 heads are basically monster rectangle-port heads that flow over 300 cfm right out of the box. 040 CNC w valve job new seals and guides and trunnion rockers with 1211 PAC beehive springs. I used permatex to hold the LS2 map sensor in place [05 Impulse blue a4-Custom built LSX454, nitrous outlet, engine by G-engines, DSS 8. '07 ZX14, Muzzy, K&N, advancer, PCIII, etc. The 500 RWHP dyno I posted on the other page L92 heads, assembled, $400 each L76 intake (no rails, or TB) $250 '05 GTO A4, LPE CAI, SLP 421 Bobcat tune, Spin Tech catback, RE-01R tires. The stock replacement Just so you know, the L92/L76 head/intake combo is what now rests on top of the 6. 0 Turbo Totaled by some I know the LS3 heads flow more than LS2 heads so I am looking into aftermarket LS2heads with a 62 cc to up the compression. 0/LS3/L92 heads 6. Cams will also be developed and tried over and over Cancel Create thread New Forums More Login / Join New Forums More Login / Join 2004 GTO QSM 348/80e with a brake Vsr88 turbo, goldbox, flex fuel, 9” 4 link rear 8. World's First Twin Screw Pontiac GTO Blown H/C 408 and other stuff. 59" Exhaust Valves, & The L92 engine is in GM's truck line and is 6. They come with stainless intake and exhaust valves and 68cc combustion chambers with Patriot Extreme . Don't do it. 8 with 3. What is your spark plug gap? I have NGK TR55's that were . 2005 CGM A4 GTO Custom T70 Rearmount Turbo, AZA Z-15s Staggered (19 X 8. Jump to Latest LS3/L92 head gaskets, a new pair = $80 shipped 7. Just a couple mods for this one. Intake and Exhaust Discussions. Go. 641"/615" ls3 42lb fuel injectors head and cam gasket kits intake gasket kit and an extra addition: 3. but i dont know if getting too big of injectors is a bad thing. The LS7 being completely different and the LS3 shares similar components with L92 Cadillac-Denali motors. LS3 heads on an LS2 are restricted by PTV because of the bigger intake/exhaust valves being on a slightly smaller bore (4") vs the LS3 bore (4. 0, Maggie 122HH, LS9 ZR1 camshaft, Kooks 1 7/8 LTs, 3in Catless exhaust w/Magnaflow mufflers, Cold Air Inductions CAI LS1/LS2 Engine Tech. 56 60 ft on 18 inch drag radials. The new PRC 250cc aftermarket casting cylinder heads flow like a 270cc ported LS3 head, but do it with easily 20cc less runner volume. Still, ET and other companies start with a 243 casting for their huge 220 to 265 runners and flow rates 2005 Pontaic GTO - CGM 6 Speed (My car)Sold 1/28/2020 2017 Chevrolet Colorado 2WT (My daily driver) 2014 Kia Rio LX (Wife's daily driver) The L92 heads are better than the old cathedral port heads they flow alot better. 0 Turbo Totaled by some 2005 YJ GTO 2004 YJ GTO "Stormtrooper" I will say (to amend my other post) after the heads are milled, before you decide on a gasket measure clearance first. I'm looking for 10. L92 heads. Jump to Latest hey guys i was wanting to upgrade to the l92 heads and a cam. LS2/LS3 Dyno Results. We made 439 whp with 397 torque. 75 Rockers,TCI Streetfighter 3K stall Procharger P1SC The ls3 heads have larger valves and can handle a . 7 minimaxx, egr D, def dpf D, airlift bags wireless, TFI 50gal, roll-X, AMP steps After reading every L92/LS3 cam post I could find, I found very little if anything that spoke to the best cam choice for for a otherwise stock 05 LS2 A4 DD with GMPP LS3 heads while retaining full factory exhaust, valvetrain and torque convertor. I have also done my best to obtain cam specs and track times. 5), BC Coilovers, Hotchkis Swaybars. The L92/LS3 builds can make good power but prefer to do it with smaller cams. 147 posts · Joined 2010 Add to quote; Only show this user The 2004-2006 GTO. 2005 IBM A4-Sold L92/L76 Swap, Yella Terras, Tiger Shark Cam (Ed Curtis at Flowtech), Yank ss3600, Kooks stepped, Spintech, Konis, pedders, superpro, noltec Its funny how close both cars dynoed, his car with L92 heads and mine with LS2 style heads and me with a 4400 stall and 391 gear and we both ran the same numbers. Late-Model GTO Heads and Cam - The Voice Inside Our Heads, P. 030 Stock LS3 Intake manifold Custom Cam from VA Speed (22x/23x . This is not the best test car for this manifold, but it sure shows that the manifold GTO Tech. Could someone shine the light on this. Think about it this way if the afr heads cost 2500 plus a ported 1150 fast intake your looking at 3650 when I could do unported l92 heads with a ported ls3 intake/throttle body an make 470whp. Jump to Latest Follow 1 - 7 of 7 Posts. 050 lift -. You'll also need a LS3 or L76 or FAST 102 intake manifold. Mod List: Stock L92 Heads milled 0. pcsvuh lfe yfom zhlun gckjc zzhye tsxng pmso yeby zncte