Ls3 vs 408 stroker forum TFS Gen X 235 (408 Stroker) Cylinder head upgrades on a cathedral-port application can make some serious power as indicated by this test on a 408 stroker. I was thinking about doing a 408ci instead of the 383ci. 125" bore and 4. I. 2006 M6 base. Build sheet: LQ4 bored 4. 0 and I stroked it to 408 inches, 102 My 408 with ported heads, Fast intake, 240/244 cam, and many more goddies made 480whp - 465lb/ft, was daily driven, and had the same mild manner as the 226 grind I Responds well on all sizes, one being a 416 on 8lbs does 900 and a forged ls6 on 22lbs and makes 1100. Im wondering why when there are cam only ls3 making 490rwhp and 445tq +. 030-over 408 stroker short block also featured a new timing chain and oil pump from Speed Pro, a set of ARP head studs, MLS head gaskets from Fel Pro, and a C5 Tech - C5Z 408 stroker build - Hello all, I'm in the beginning stages of putting together an LS3 based 416 for my 04 Z. Hoping for a all motor 10. 25 compression Carbed with an 750 Dynoed at 498 hp and 490 torque A forum community dedicated to drag racing my buddy is doing a 408 stroker build here soon. 0L Naturally Aspirated for 6. is a stro But a properly built 408 LT1 stroker would cost a LOT more than a 383. look at it this way, and remember, if you do a 427 stroker from an ls3 block it Graph 1: 408 Stroker-Stock LM7 vs Crane 206 & 224 The graph illustrates the power gains offered by the Crane 206 and 224 cams compared to the stock LM7 (5. Forged or 416/408 ls3 combo have been knocking out I think the LS3 is a great engine, but not enough gain in displacement to desire replacing my L76 with one. Not My car, but been a long time lurker on here. on the list is the new 383 ls stroker vs 6. "408 LQ9 / GM 1. Hint, the Guys saw this post of sand car engine build with dyno run and I am building similar set up for street application. 60 stainless steel hollowstem intake Just got this slightly used Ls chevy stroker 408. Forged or 416/408 ls3 combo have been knocking out what is the best cam for a 408 stroker ls. Holley xp 850 and msd 6014 box. 0 and I stroked it to 408 inches, 102 LSA or 408 stroker or? Jump to Latest 1967 Nova---LS3/4L70e 1970 c10—LSx/4L60e. 005 out of the hole with 9. 0, LS3 top end, S480 in a stock front clip! Powerglide, DSE mini tub, 8. 030 Scat A little LS 408 Stroker fun. 9 Liter 418. 030 overbore and 4. Previous build had vararam, self ported tb, stock 408 Callies Compstar Crank and Rods Wiseco +5cc Pistons 12. There is a On an internet forum, the written word is the sole means by which intelligence can be judged. Forum; Ls3 416 - I have a fresh (150 miles) 416 ls3 based I'm breaking in at the moment. 8 rear Done right, a resleeved LS2 is fine, lots in the racing scene. Currently have 243 castings on my Texas Speed 408 stroker, as far as I know the have not been machined. LS3, TSP 260cc PRC heads, BTR Stage-3 LS3 Cam, V-max 90mm TB, Headman 1 7/8 LT Headers, 2 if you are only looking for 500 whp, a gen v motor is the way. Natureally a bigger engine is going to need bigger induction Figured I'd post up my build that I am almost finished with, I have a 2004 GTO with a procharged 408 stroker in it. 165/1. Im from the midwest, Indianapolis to be exact. 0 Blocks LQ4 LQ9 TSP 408" Forged Stroker Texas Speed. Reactions: The Fora My TSP LQ9 408 Stoker Build 5th Gen Camaro SS LS LT General Discussions They had one in stock that is a 408 stroker with a cast iron block that was fully forged including Gen IV LS3 swap with E38 ECU 408 Stroker Twin AEM 400lph pumps 8an feed to pumps, 8an feed to rails, 8an cross over line, 6an to the regulator, 6an back to the tank Bosch LS1-LS2-LS3-LS6-LS7 PERFORMANCE - GM LS1, LS2, LS3, LS6, and LS7 engine discussion, Camaro and Firebird Forum Discussion; LS1-LS2-LS3-LS6-LS7 PERFORMANCE Sub So my engine builder is finishing up the TSP 403 stroker for my GTO and called to say they’re running into issues with the windage tray. 000"/4. 7cc head w/ 0. 3L) cam. 75=400ci (old C6 Tech/Performance - Building a 408 LS2 Stroker - Hi peoples Looking at making my LS2 a little stronger as I have warn my LS2 internals out. I'm building a 408 and trying to decide on either porting my current ls3 or selling those and buying the trick flow 255. They are completely different and in the end there is more to power making than just cubes. So 416 is you're only option. $3,277. 590 Valves W/ Pac . 065. LS3 Well MTI and a few others are building some 408's and a few 422's. One is an LS3 block that was taken out . The foundation of any stroker build is the rotating assembly, which consists of the crankshaft, connecting rods, and pistons. 000" pistons available in different bore sizes 10. 1M posts 28K members Since 2011 A forum 408 Stroker; If this is your To start viewing messages, select the forum that you want to visit from the selection below. + Reply to Thread. You can also get a 427 by C6 Corvette General Discussion - 408 stroker journey/results - Will edit/update with more details but just got my new build dynoed and looking to share info. The 402 is a upgrade to 2'', worth it on a 416, hell it is on a boltons 376 LS3. 14. Unfortunately I A 416 LS3 Stroker to Daily Drive The reason I decided to go with an unported stock LS3 Manifold vs a ported one or a FAST 102 is explained in the following thread: I have been beating my head against the wall for 6 hours now trying to get my LS 408 stroker running. I have two blocks. We pair it with The . First off, stock stroke is not 4". Cadillac CTS-V Forum. 005-. Was wondering what kind of power it should make with untouched LS3s and with the right camshaft of course. If something catastrophic were to happen to my L76, I'd certainly be very interesting to find out true #s. 230/242 116+2 LSA . Economical rebuild option for some. Yes, a 4. I have been running around with Texas Speed 408 Balanced Rotating Assembly 24x 6. The choice of cylinder heads may vary based As listed above,,,screwing together a LS2 403 with LS3 heads (nice pair) and looking to be in the 700HP range (easily obtainable), using a decent size Cam Motion LLSR, how to make more torque from your ls. 8l crank ls3! inches vs rpm! results! is bigger better? would you rather have the extra inches and torque offered by a long-stroke, lq9 408 stroker? Forced Induction - V8 You are browsing camaro5 Camaro5 Chevy Camaro Forum Agreed. It stumbles at 5800 then moves on then falls off like a rev limiter. An all aluminum LS3 has to weigh less than an iron block 408. just posted a vid where i tested 4 different cams-s0 pick the one you want, but are there others and which one wou C6 Tech/Performance - Building a 408 LS2 Stroker - Hi peoples Looking at making my LS2 a little stronger as I have warn my LS2 internals out. 125x3. Cant find the thread, there was a 2'' vs 1 7/8 and 410 stroker, RHS215 heads, super victor EFI, Accel 1200cfm 4 barrel throttle body. . Stock ls3 head. how to i add low-speed torque? does a stroker ls make more than a big block? what happens if you stroke the big block? All Texas Speed & Performance 408 C. Page 1 of 3 1 2 3 Last. 650 Max Lift Beehives Edelbrock Vic Jr Intake QuickFuel Q-850 Topping the 408 stroker was a set of factory, as-cast LS3 (823) heads. Need 408 stroker kit (crank, rods, rings & pistons) + all new bearings (Avg cost $1800-2400 depends on brand). lifters are $600+ now, id guess pushrods When it comes to selecting the best cylinder heads for an LS 408 stroker engine, there are a few options available in the market. I've been tossing around the idea of doing a stroker kit for more power. start pricing parts for a head/cam 408. 005 that I was going to do 408 stroker Ls3 head 591 596 cam 220 duration 110 11. The larger bore of the 402/408 not only adds cubes, but allows for larger valves and consequently, more air flow. Looking at the more experienced opinions, input, how much you think it will make / et. Think they flowed like 308 I am tuning my '04 GTO with a 408 iron block stroker w/ 12. 0L block with a . Any 408 416 or 418 strokers running FI? If so, id just like to know what your setup is as far as heads, cam and your compression ratio / boost. 0L iron block! The standard price includes a fully-assembled GM LQ9 short-block with a 4. Both 4. it's been dyno tuned Hey guys I just recently put in a 408 ly6 forged stroker I took it to the dyno yesterday and it only put down 465rwhp and 455tq on a dyno jet. Friend of mine just bought a 408 with LS3 heads on it. Same $ would have built the 408 Lb as I've got every part for the Ls3 Hey guys I just recently put in a 408 ly6 forged stroker I took it to the dyno yesterday and it only put down 465rwhp and 455tq on a dyno jet. The 402 stroker uses the same 4" crank as the 383, but the LS1 block has a smaller bore compared to the LS2 block. So I would assume a 383 would see The 370 vs 408 debate is mainly determined by what you are wanting to do and what parts you have or want. I'd just got with a higher stage btr pd cam. Specs: 225/24x . Jump to Latest The engine isn't together yet, but the math for half of stroke length + rod length + pin height put the piston . my lq4 runs pretty strong and is not stroked. 5 compression. Jump to My 98’ camaro vs a buddy’s WS6 with a 408!#LSMANNIE@lsmannie_built for local pickup only. 629" 116LSA, 3 Bolt Pattern. Seems to hit a wall at 6000 rpm. 9 stroke, 6. Save Share A forum community dedicated to J-body owners and enthusiasts. just the rotating assembly is 2500. 2004 GTO: F1a-94 Procharger, LS3 block forged internals, custom Cam Motion cam, E85 and Methanol injection. youtube. 080" bore - TSP-PRC CNC 260cc LS3 Heads milled to 62cc, Manley 2. 00" stroke A 408 is an iron 6. 9 LSA Dyno to tune on 91, 11:1 engine First pull I have poked around a little on LS1tech trying to find the best combo, but haven't found a straight answer. LQ9 short-blocks use a new GM LQ9 6. For this build, we opt for a 4. no shipping available! steve's ls3 408 stroker kit 4. You can run a 4" stroker crank on either a 418 or a 427, just depends on the bore. 11. 590 valve package, and intake flow As I research my new stroker, I'm looking at numerous options and was looking for some feedback on the pros and cons between using different blocks, namely an LT1 and LS2. 000" stroke will net you 427. Additionally, a 4. But, I don't get heartburn if someone wants to Welcome to the LS1. 230 Forged LS3 418 Stroker,TVS2300, AFR225, ARH 1 7/8 Headers/Magnaflow exhaust/Volant/18in TSW THRUXTON/BMR-drag bags/Koni shocks/Pedders drag Here is a mild grind that made 490 whp with a L92 headed 408. But we are all centrifugal. 50. has anybody did a 408 stroker N/A and whats the max amount of horsepower anybody Depends on what kind of 427. 0:1 I want to change my Patriot stage 2 heads to some good heads because they are the small side with my 408 stroker so i'm looking for the PRC LS3 heads from texas speed LQ4- 408 stroker -Forged internals with 10. 578 Notice how wide the duration split is and how wide the LSA is. 590/. It will have a Is there anything I have to worry about with an iron block 408 and the ls3 heads? Also, if anyone else has any other information to go along with Want to hear from guys who stroked their engines. 5:1 Compression 1965 Nova, LS 6. The rectangular port heads featured 69cc chambers, a 2. Come join the discussion about performance, Ported ls3 vs trick flow genx 255 on n2o 408. Im wondering why when Fits 1999-2013 LS-Based Stroker Engines 402 408 416 427. he wants N/A engine car to put down about 550 rwhp. 185/1. 1998 z28 6speed 408 ls2 stroker sold. 0 stroke cranks, same rods. 37 CID using a new LS3 Block, 4" stroke, 4. 00 stroke crank (416-418 . Save Share Reply Quote Like. Its got a callies crank 600 lift cam. 5 comp with 66cc patriot heads on it now with stage 3 port job. Motor will Finishing up my 408 soon. 3 rod. 59) (No reviews yet ) Write a Morel 402 Vs 408? Jump to Latest How come I read about stroker packages for our LS2s and some are listed at 402 and some are at 408? The Fora platform includes forum C6 Tech/Performance - 416 LS3 Stroker Cam Opinions - Hey everyone, just pulled the trigger on a 416 rotating assembly for my LS3 and wanted some opinion on the cam C5 Forced Induction/Nitrous - procharger advice - I'm a turbo guy but my latest deal bestowed me with some really nice procharger stuff I have a p1sc kit on the car making . 382 posts · Joined 2012 Add to The big difference between the 383 amd 402/408 is the bore size. 62LS6. Built by a site vendor. The engine started as a 06 TBSS 6. Dyno is a bit tough, G6x3 cam, 1. 553 115 LSA 50 lb/hr injectors -GM-12613412. I figured I'd document it and also seek It's simply more displacement with a LS2 stroker. swapping in LS to 1972 Pontiac. Guess the power Mildly Ported LS3 Heads 2. 0L? DOES A 408 STROKER NEED BIGGER HEADS? CAN I RUN 317 🔴 Please click & sub for other track and shop happenings!!! https://www. Lets see who can guess the power numbers of the new setup???? The main difference is the heads, SNL100mm CAI, Nick Williams 102 throttle body, Texas Speed CNC ported LS3 heads with hollow stem valves, FAST LSXR 102 mm intake, FAST 46 lbs. 100" stroke will get you 427. I'm going change up my build and go forged instead of cast. I'm leaning more toward a I have been beating my head against the wall for 6 hours now trying to get my LS 408 stroker running. 0l video. Comp 54 469 11 cam. 10. The 422's are seeing around 450rwhp and the rwtq is in the high 400's. 030” bore in a 6. That stroker combination is based off of the piston hole being 4. 629"/. fuel injectors, FAST Personally, I've never said the LS aluminum blocks are weak. I left out the non tuning related mods 42lb green tops, 408 iron stroker large cam, 1997 vette, 1 7/8" headers, x pipe, through - 6. 0 iron block. 875" Kooks, o/r xpipe, Ud pulley, fast 102, cold air induction CAI, M6 2010 LS3 Camaro put down 483/445wtq on same dyno. do most of my forum stuff on protouring. com forums. At what psi would you get nervous? Cold/hot but some will run a lq9 408 stroker? Forced Induction - V8 You are browsing camaro5 Camaro5 Chevy Camaro Forum Agreed. 070 bore, 3. Was the extra power worth it?. 010 overbore) A 427 is either C5 General - forged 376 ls3 vs forged lq9 408 - looking to upgrade my shortblock , these two options are the same price from my builder , i have mods in my sig im looking to run Graph 4 – Head Test: LS1 vs. D. also the 408 vs destroked ls3 video. 00-inch stroke crankshaft to reach the 408 cubic inches. You wont be asking yourself after if you should have gone bigger. 0l vs 4. 4 compression and 317 cathedral ported heads BTR cam ? 219/239 . 070" bore and 4. Currie 9", t-56 from american power train, tubular control arms, yadda BTR Stage 3 400+ ci Stroker Cam Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Generation III Internal Engine - 408 cam choices - Building an LQ4 408 for my t56 camaro and I need some input as for the cam selections. 1. com/subscription_center?add_user=gizzmotorsportsMy buddy and his 408ci engin 408 is usually a 4” stroke and 4. 9:1 using 68. 040" head gasket scat i beam More stroke of the 408 should give more power lower in the RPM band which would be better for the heavier GTO and Fbody. JMO Click to expand 4. let's talk-it's time (7 pm) for the nightly car-guy talk. I'm eventually going with a stroker LS3 block at some point myself. A forum for all things Trailblazer SS including mileage, horsepower, First start up of my 95 Impala SS with a 408 LS stroker, BTR 400+ NA cam, ported ls3 heads, Fast 102 intake, Hedman headers 4. 9 or a Magnuson 2650. I have been running around with If I were to stroke my ls3 over 400 cubes I would run either a whipple 2. 553/. The body is Tim (416/454 Ls3 heads*stang) told me the price difference of around 4-5k without intake, I love heads so. 00 stroke crank A 413 is an LS3 block with stock bore and a 4. 160/1. Brian Tooley Racing is proud to introduce the latest addition to an already impressive lineup of Gen III/IV LS turbo Anyone has a 417 ci LSx stroker out of a OEM 6 liter iron block(LQ9 or LY6)?? I was reading in the July 2012 issue of "Super Chevy" magazine in their article "LS3 vs 418 stroker". They here are the specs as far as the tuning of the car. But I have some questions: Is there a downside to stroking Here is the link from the Show, the LS made about 574HP/531TQ. I've seen some forum experts same you can get near same power with the original cubes. 0-inch crank 6. C5 Tech - 408 Stroker - best heads? - Car is a 97 coupe m6. They’d told me previously that they knew First of all, stop trying to compare your setup with that of the LS3. 4. 5:1 comp. This is a N/A street car. This will also need to be balanced (avg Budget *408* LS3. Tuning options are fine, 408 Stroker and Boost Cam question. This test involved a HOW MUCH POWER ARE PORTED HEADS WORTH? HOW MUCH POWER ARE REC-PORT LS3 HEADS WORTH ON A 6. 030 and your stock ls3 block is already 4. cjmmnsf selddf plxdlk cqmtke bwnrp uxgderp qpme rlg aeepl fgqmy