My plans for a Twin Turbo, J32a2 V6, 6Spd, RWD Conversion-('01 Prelude)
https://cimg2.ibsrv.net/gimg/honda-t...e8fcbef568.jpg https://cimg3.ibsrv.net/gimg/honda-t...d26466b607.jpg https://cimg7.ibsrv.net/gimg/honda-t...08785337e9.jpg https://cimg5.ibsrv.net/gimg/honda-t...45ccadf4b6.jpg https://cimg6.ibsrv.net/gimg/honda-t...bebec4a92d.jpg *Sorry about the title of this thread, it won't let me change it, I am planning on a J32A2 motor not a J35A8. *Here is a link to a complete Microsoft OneDrive hosted version of the MS Word build document: "FR" Conversion - Twin Turbo J32A2, RWD, 6 Spd - Build The engine for this build will be a J32A2, 3.2L, Acura J Series V6 found in the 2001-2003 Acura CL Type-S and the 2002-2003 Acura TL Type-S. The J Series was first introduced in 1996 to replace the C Series V6’s (Found in the Acura Legend and NSX). They are built at Honda's Anna, Ohio and Lincoln, Alabama engine plants. They are a 60°, SOHC, VTEC engine that produces 260hp and 232 lb. ft. in stock form. These engines are relatively inexpensive, lightweight, have a small footprint, are readily available and are a somewhat less common engine to build. These engines produce good low end to mid range torque, right where I’d like to have power on tap and respond well to forced induction. I will be replacing and refreshing any worn components with quality replacements and installing high performance aftermarket parts where possible to produce a reliable, high output engine. I'd like to be right around 700hp at the crank with the future possibility of more. The fact that the J32A2 will be sleeved and have forged internals means it could go north of 900. I want to make the 700hp on pump gas, proabaly 93 octane and this will be difficult but with the right tune totally feasible. My goal is good throttle response & good low end torque with a reasonable midrange. I'm not too concerned about making peak, dragstrip style, 8,000RPM+ hp, just want to spool quickly and be streetable. What will aid in this is the turbo size, the right tune and especially the 12:1 compression ratio I will be running. I chose Garrett GTX2867R GEN II turbos that are designated by Garrett, to have a 275-550hp range per turbo & a 1.4L-2.5L displacement range. As far as displacement goes, @ 1.6L per turbo with the 3.2L J32A2, they will be operating at a fairly moderate output compared to what they are rated for (Approximately 64% Per Turbo). @ 700 flywheel hp, they would be operating at 350hp per turbo, well within the 275-550hp, designated range. I chose the turbo size carefully and they are on the small side when compared to the other, twin turbo j series builds i've seen (alot of GTX3076's & even GTX3576's). This dream plan is one I made out of desire, passion, partly boredom and just for fun. Will I aquire $100k anytime soon?...I doubt it, but we can all dream and plan things out, right?. I got what it takes fabrication skills and know-how wise but I would need thousands of dollars worth of specialty equipment and a shop with a lift ontop of the quite "rich" cost of parts... yada yada. Honestly, I want the thing BAD though. I do love my car for what it is though and know this type of thing can easily get out of hand when it comes to the very thought processes involved as well as the physical execution but if I went all out and did it, it would rival cars that would cost 3 times as much and still be a 20yr old Honda. Engine: (J32A2) Aftermarket/Performance:
Audio System Layout: https://cimg0.ibsrv.net/gimg/honda-t...cbdc077a97.jpg Here is some photoshop work of my custom carbon fiber switch panel: https://cimg2.ibsrv.net/gimg/honda-t...f357492bd5.jpg Here is a photoshopped pic of the MoTeC C1212 Color 12" Display fit into my dash: https://cimg1.ibsrv.net/gimg/honda-t...6d02d1508e.jpg Here is an illustration of the dry sump oil system layout: https://cimg4.ibsrv.net/gimg/honda-t...a60803609d.jpg Here is a manufacturer style, specifications table of the final car: *Click to open in photo viewer window and click again to zoom https://cimg7.ibsrv.net/gimg/honda-t...07453e061f.jpg |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
I hope you got deep pockets boy.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
“Plans” |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Didn’t see anything about what transmission you’re wanting... |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by Accordian47
(Post 51680177)
I am going to build my own mounting structure as there is no bellhousing on the market for the Honda/Acura engines.
https://www.holley.com/products/driv.../parts/RM-4096 EDIT: This is going to be sick! I want this to happen. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
And this one is for mating GM automatics to J35A4... MMS Honda J Series 3.5L Gm Automatic Transmission Adapter [mms32ad] - $899.99 : Marked Motorsports, Team Website |
Re: My plans for a Twin Turbo, J35a8 V6, RWD Conversion-('01 Prelude)
I have a 2006 Honda pilot for sale but it needs a transmission rebuild selling it cheap $2000
2000 |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Pilot = Engine, mount brackets, ECU, wire harness, exhaust headers, starter, p/s pump, a/c comp, alternator...etc. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Twin turbo is over kill, you can achieve the numbers you want plus more, by just going single.
Iv seen a few V6's single turbo's at 700, stock bottom and heads. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Eaton supercharger with a P2R intercooler would be good, too. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
I know that for the most part, a single turbo is just as efficient but I really like the idea of two smaller frame turbos on a longetudally mounted v6. Its going to be a little more plumbing and cost sure but it will be great for the low to mid range power im looking for and they should spool quickly with 1 turbo per 1.75 Liters of engine displacement and 3 cylinders, plus its a little more symetrical looking in the engine bay.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by Accordian47
(Post 51939960)
So after some very necessary research I have discovered a fatal flaw in my build plan and that is that the C6 Chevy Corvette's Engine (Or any LS motor) rotates counter-clockwise as does the transmission, dirveshaft and rear differential. The Honda/Acura J series engines rotate CLOCKWISE, SO, sourcing Corvette drivetrain components would be a waste of time as long as I plan on running a J series.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by Freedo_Civegra
(Post 51939977)
No, all LS series engines rotate clockwise as do all J series. I don’t know where you got your information, but it’s entirely BS.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by Accordian47
(Post 51975388)
Soo I found some bad information, is the information bad? I guess so but I personally feel a little bothered by it being "entirely BS", a simple "no man, they rotate the other way" would have done but ok
Besides, I wasn’t calling your efforts in research BS. I was calling the misinformation you came across BS. I don’t want anybody believing something that ain’t true. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by Freedo_Civegra
(Post 51975466)
Stop taking things on the internet said by complete strangers so personally because it’s unhealthy to seek validation from people you don’t know.
Besides, I wasn’t calling your efforts in research BS. I was calling the misinformation you came across BS. I don’t want anybody believing something that ain’t true. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Look forward to the build.. I hope see to see some updates & progress pictures!
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
UPDATED Original Post
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Bumptastic=)
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
If you're doing twin turbos, you might be better off finding a j35z engine. They have cast iron sleeves and would be better suited for boost. As for transmission, I think you'd be better off finding an s2k tranny, the cd009 tranny, or a bmw zf 5 speed. All those should have ready to go adapters, you'll just need to figure out the clutch and flywheel solution. But those transmissions should be significantly cheaper. And it looks like you're going for high rpm too? The heavy springs seem unnecessary otherwise. If that's the case, don't use the j35 crank and rods. Or forged steel internals. Those internals would be too heavy and would put a lot of strain on the crank. And the longer stroke of the j35 is unsuited for high revs. You want something interesting, use a j37 block with j32 rods and crank. The j37 has a higher bore and the j37a2 & j37a4 had 3 lobe vtec.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by Enlight3n3d0n3
(Post 52235860)
If you're doing twin turbos, you might be better off finding a j35z engine. They have cast iron sleeves and would be better suited for boost. As for transmission, I think you'd be better off finding an s2k tranny, the cd009 tranny, or a bmw zf 5 speed. All those should have ready to go adapters, you'll just need to figure out the clutch and flywheel solution. But those transmissions should be significantly cheaper. And it looks like you're going for high rpm too? The heavy springs seem unnecessary otherwise. If that's the case, don't use the j35 crank and rods. Or forged steel internals. Those internals would be too heavy and would put a lot of strain on the crank. And the longer stroke of the j35 is unsuited for high revs. You want something interesting, use a j37 block with j32 rods and crank. The j37 has a higher bore and the j37a2 & j37a4 had 3 lobe vtec.
As far as transmission, I have considered the Nissan and BMW transmissions but they are only so strong. I'm aware that there are adapter kits out there for this specific application but I technically did choose an S2000 transmission, Well, sort of... An aftermarket transmission designed for the S2000 anyways. It's expensive but its very heavy duty, with straight cut gears AND sequential in shift pattern. I like the idea of something that is designed to handle the hp and tq compared to a stock oem trans and one that has sequential shifting. I agree 100% on cost though, if I was on a budget I would most likely stick with a trans that didn't cost nearly $12k. As far as valvetrain, I WAS planning on a 8,000RPM redline but I think I'm gonna stick to about 7,000RPM instead, I'm running fairly aggressive stage 2 cams, with boost AND a 7,000RPM redline so that is kind of my rationalization for the heavy duty valve springs. I don't think forged rods and pistons are going to weigh too much for my plans, with only a 7Krpm redline, I need the strength, and they will be precision balanced. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
I've decided to ditch the Sparco SPX Carbon seats due to the fact that theyre way to overkill and mad expensive ($3,100 a seat), I'm choosing the BRIDE SRADIAII SPORTs in black with no logo (Much cheaper @ $1,605 a seat). I have also decided on a 12:1 compression ratio for the J32A2 instead of 11:1, I want high compression, I want quick revs, good throttle response and good low end power.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
I'd start with the swap/conversion 1st before thinking of anything else.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by tony_2018
(Post 52248628)
I'd start with the swap/conversion 1st before thinking of anything else.
I need a lift, mig welder, tig welder, welding gas, gas tanks & accessories, possibly a plasma cutter, a tubing bender, bandsaw, cutoff saw, laser measurement tools, possibly a lift table or powertrain jack, transmission jack, more jackstands, an engine hoist, high reach auxiliary jack stands, tubing notcher, metal working equipment like english wheel, bead roller, brake, shear, slip roll, shrinker/stretcher, power hammer, hammer & dolly set. The list goes on and would probably have things added to it as I went. It's difficult to just do the conversion because once I get the engine in there, I'd need management and that means the MoTeC M1 and a custom harness and if I'm going to go to the bother of running that I would want to have the engine up and running with the turbos so most likely, I'd build the engine on a stand (internals wise), get it mounted, get the sequential 6-spd in there and mounted, then do all the other work after, plumbing intercoolers & turbos, fuel system etc. I guess the right thing to do would be aquire the shop to build it in, get funds together, get allll the parts and start the conversion, adding required custom systems and components as I go. I don't think just getting a longitudinally mounted j32 in there with a sequential 6-spd and running it is the way to go. |
Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by tony_2018
(Post 52248628)
I'd start with the swap/conversion 1st before thinking of anything else.
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Re: My plans for a J35A8, 3.5L V6, RWD, 6Spd Conversion-('01 Prelude)
Originally Posted by Freedo_Civegra
(Post 52253357)
I'd start with actually getting the car 1st before thinking of anything else.
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