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1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

 
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Old 03-16-2016, 07:41 PM
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1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

Yep. The title doesn't lie. This is no joke and the car is sitting in my garage right now, I have already started the complete bare metal body-off-chassis strip down process. I will post pictures soon enough. If you're here to question with no real input then don't say anything I already had enough trouble with stupid people on another forum wanting to ask dumb questions and descriminate against me for stupid reasons. Yes I am aware this has never been done before with this kind of power but it isn't impossible or even necessarily that expensive so don't question my money situation either because you don't even know. Now that all that **** is out of the way hopefully people will be civil and try to help instead of question me to no end. I am open to questions, but not ones that don't matter to the car. I can imagine there are tons of people who would want to see this car done besides me, so help me please I ask you politely. That's what this forum is for. This may be long so I apologize but detail is important and I don't want anyone lost.

700WHP 5 Speed AWD JDM H22A Swap

I have already done extensive research on this but I've kind of run out of places to think to go so I need fresh minds.
I have the JDM H22A closed deck engine already. I have Darton ductile iron sleeves ready to go in it that Darton told me would be good to around 1000hp. The block will be fine.
I will be stroking the engine to 2.3L so I don't have to run as much boost psi as that gets tricky here with CO altitude (H23A basically)
Full forged bottom end no corners cut. I'm thinking:
Forged polished crankshaft
Eagle H-Beam Rods
Either CP Pistons or considering a few others somewhere around 8.5-9.0 C/R
Considering several bearing sets but they will only be the best quality.
OEM Seals all around

Head:
Port, polish, and decked obviously
Full titanium valve-train either going with Supertech, Ferrea, or Brian Crower.
This includes valves, Stage 2 or 3 turbo camshafts, rockers, etc. the whole 9 yards nothing in the head will be close to stock. It will be as safe as this kind of horsepower gets.

Turbo will be something around a GT35-GT37 I have yet to compare all of the compressor maps. I will be running somewhere around 26-28psi from the flow calculations I have done and accounted for altitude and such. Altitude sucks.
Complete single turbo set up nothing too fancy it just has to fit which is why we get creative.

Stand alone fuel management and aluminum fuel cell in the trunk space. I will be running E85 so I can boost even less psi than with pump gas. Somewhere around 1800cc-2000cc injectors as well is what I figure will be more than enough. I need bigger injectors to handle the E85 as well so...

Doing all wiring myself brand new and making my own harnesses that I can run wherever I want throughout the car. I want it to be as tucked/clean as possible.

5 speed transmission will be out of a CR-V most likely and I will be taking the necessary precautions to make sure it can withstand the power I will be putting through it. Yes this transmission will bolt to an H22, I have already found the adapter plate for it. So none of the "it won't fit" bull****.

Custom mounts will be done by a friend as I don't believe I could get a kit for something like this. I have yet to find one.

Gutted interior besides seating and we will be welding in a roll cage for maximum chassis stiffening so it doesn't warp or get damaged under the power.

Will be running Volk TE-37's most likely in as reasonably large/wide of a set up as I can. I will be welding together fender flares and such so fitment is not as much of an issue there. Mickey Thonpson street drags will likely be my tire choice.

Will be running full upgraded suspension with stabilization however I can get it. Running one of the new integrated Coil/Air ride set ups that has all the advantages of both systems.

Not sure what to do for brakes yet. I've seen people put NSX calipers on these cars but haven't been able to figure out how. Yeah I know brakes are important but I need help there.

The AWD will be completed by using a R180 4.44FD rear diff out of an 02-05 STi. The measurements are close enough to make it work with fabrication and movement of the fuel cell position and such. I chose this one because it's final drive ratio matches the CR-V final drive ratio. I will be getting a custom driveshaft made as well either out of carbon fiber or aluminum I'm not quite sure yet.

All fabrication will be done by myself and people I know. We do quality work. I have many connections which luckily has cut my expected costs dramatically. This project will end up costing me anywhere from 15K - 18K roughly depending on if I score on parts or not which it seems like I will definitely be able to. I will be able to afford this as well with the jobs I work I have several sources of income so don't question my money. But yes I have plenty of connections and am always open to others as well. This project will happen it's not just a dream I have started it.

So far I have the JDM H22A, the Darton Iron sleeves, the car of course, and some miscellaneous turbo system parts like piping and such. Car is halfway to being completely stripped to bare metal not even paint left.

I need ideas as to how to run my **** basically. Anyone who has made their own harnesses before, fabricated a lot of random stuff, built fuel cells, relocated systems like Power steering and such to hide them. ECU suggestions and tuning as well. I need suggestions. Any input that is valid is welcome. Sorry for the extensive detail but it is important for people to not be confused. Help me build a historic Prelude everyone... This car will be a supercar killer. Help me hurt some V8 guys' feelings. I probably forgot some stuff too so I apologize.
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Old 03-16-2016, 11:23 PM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

You can still build that same power without AWD headache in the chassis.

And on a mildly boosted H22 you can can kill V8s all day. Its been done.

I like your goal, someone else already did it, but only got 400whp out of the AWD before blowing the rear diff so if you can customize the CR-V rear diff to handle 1000whp with all your connections then you should be good.

I wish you well on your very expensive journey.
But as for routing anything they way you want to do it is going to be all custom and have to be figured out by you.

The exhaust will have to be outside the hood or to the side wheels due to the shaft running down the middle of the tunnel.
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Old 03-17-2016, 02:49 AM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

I know I technically could just go FWD. but what about traction and torque steer? I know someone else already did it but I'm aiming for double the power output they had. And I'm not using a CR-V rear diff I'm wanting to use a R180 4.44 rear diff out of an 02-05 STi. Only 700whp not 1000 either. That's just what Darton said my block would be okay to handle with their sleeves. I'm really just looking for people who've done wiring harnesses before and random weird fab work like this to shoot some ideas and tips really.if anyone can think of a better way to build the same thing then I'm open to it
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Old 03-17-2016, 08:32 AM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

Yeah no one else is really doing all that at the moment, many would like to try but do not have the resources you have stated.

Quote:
Originally Posted by GingerLuder View Post
I know I technically could just go FWD. but what about traction and torque steer? ... I'm really just looking for people who've done wiring harnesses before and random weird fab work like this to shoot some ideas and tips really.if anyone can think of a better way to build the same thing then I'm open to it
The last person to make that power had no issue with the Torque steer, the powersteering helped with that.
And he made 610whp.
Traction wise, he just purchased the stickiest tires he could find and he got traction all day.
However he did end up burning through those tires pretty easy since he dailyed his lude.

Wiring wise, one member from pp.com is doing a custom tuck and wiring job on his 90-91 H22 swap now.
He ordered his custom Wireworx H22 harness through me and had WirWorx make him a custom section of his harness to route from the passenger side footwell to relocate the battery and fuse box to the trunk and clean up his engine bay

You can reach him on pp.com or facebook for tips on what he is doing.

His name is Johnndy Ouk on fb, and his user name on pp.com is: jdm3genprelude

He might be on here as well, I am not sure though.
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Last edited by 1funryd; 03-17-2016 at 08:36 AM.
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Old 03-17-2016, 12:30 PM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

Yeah I can imagine there are plenty of people who want to do this haha. I'm trying to be the first. I think I could make it happen with all the connections in the industry I have the Internet just won't give me the info I need on brake conversions and a 5 lug conversion as well. Hm interesting he didn't have torque steer... My 5 th gen had some considerable torque steer and. It was basically stock. I'm also trying to have as low profile a car as possible I don't want huge tires on the front giving my secret power away haha. Awesome I'll look into that and see if it would be what I need or not. What about in regards to tuning and such?
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Old 03-19-2016, 10:32 AM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

Good for you! I race a 81 Malibu and it's got 550-600 hp. My weakest points are the trans and rear end. 1.000 HP WOULD BE PRICEY FOR ME BUT IT'S GOING TO TWO WHEELS. wONDERING IF 4 WHEELS WOULD HELP YOU. I know it was done on the 91 GMC Syclone.Stick with it!
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Old 03-19-2016, 10:00 PM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

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Originally Posted by 1funryd View Post
The last person to make that power had no issue with the Torque steer, the powersteering helped with that.
I find that extremely difficult to believe. I have had torque steer with every 3rd gen I've ever owned, even two carbie ludes. In fact, I've had torque steer with every fwd car I've owned. Power steering doesn't eliminate that, but with that kind of power it will help you to hold onto the steering wheel when you mash the large pedal on the right all the way to the floor, LOL. A limited slip differential will definitely help, but even with that you'll still experience torque steer.
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Old 03-19-2016, 10:43 PM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

I mean I'm pretty damn sure that to keep any kind of traction and controlling torque steer I need all wheel drive... Definitely gonna have LSD. The bad part is if I don't want to be replacing my rear diff every day I have to go with one out of something like an STi. The 02-05 R180 4.44 rear diff would fit with fabrication for sure I think, , the hardest part is positioning it correctly and setting up the axles so they aren't sticking out too far or set in too much. Any Subaru guys on here haha?? And again I'm not going for 1000hp that's just what Darton told me my block can withstand using their sleeves. From cars I've owned and driven pretty much any FWD ever as torque steer, ESPECIALLY if I were pushing 700whp. If I want to keep as low a profile as possible and not lose traction all the time I need AWD to push 700whp especially in a car that will only weigh a bit over 2000 pounds with me in it. Power steering won't do anything to fix that.
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Old 03-19-2016, 10:49 PM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

I still mainly need ideas or suggestions on how to mount the R180 diff in the back end, extending my wiring harness and relocating both the fuse boxes and battery to the trunk, what I should tune with, how I would be able to build up the CR-V transmission to handle that kind of power because I'm not exactly sure it could, stuff like that, welding in the roll cage and other chassis reinforcement. And still not sure what to do for brakes exactly. Could I swap the 5 bolt hubs from another generation of Prelude to this one???
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Old 04-09-2016, 02:22 PM
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Re: 1989 Prelude 2.0Si H22A Swap AWD 700HP Goal

Quote:
Originally Posted by GingerLuder View Post
I still mainly need ideas or suggestions on how to mount the R180 diff in the back end, extending my wiring harness and relocating both the fuse boxes and battery to the trunk, what I should tune with, how I would be able to build up the CR-V transmission to handle that kind of power because I'm not exactly sure it could, stuff like that, welding in the roll cage and other chassis reinforcement. And still not sure what to do for brakes exactly. Could I swap the 5 bolt hubs from another generation of Prelude to this one???
This is where most in our community do not want to mess with a good chassis to do this.
So it will be completely custom on your end, no one has tried to do this locally and succeeded or at least finished.

Take out the measuring tape and get to work!!!
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