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Old 05-02-2002, 11:56 PM   #1
FrostByte7
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Default ANy info on impreza's with engine swaps?

since it seems difficult to get more than 400 hp out of the impreza's engine i'm interested in seeing some cars with other engines in them (like a supra engine) it should be much cheaper and easier to make 600 hp+ that way.
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Old 05-03-2002, 12:15 AM   #2
icemanzx18
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The supra has a straight 6. It wont fit in a wrx. Plus its made for rear wheel drive. Horsepower to the wheels is what is important. Supras can have alot of horsepower but, most of it doesnt go to the wheels. I also have a 300zx twin turbo that has 450 horsepower. Those twin turbo 6's really wouldnt do anything for the roo. Mabey if they could fit the skyline engine its made for a awd car. Prob the best bet with the roo is to just take apart the engine and put some stronger parts in it and strap a huge turbo
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Old 05-03-2002, 07:22 PM   #3
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damn i was hoping i wouldn't hear that. oh well... time to look for another light weight 4 door potential drag car
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Old 05-05-2002, 06:25 PM   #4
jesse370
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Everyone is so crazy about hp, and the ej20 makes a ton of torque. What good is 400hp if you have to have the car screaming the whole time. If you want a ton of power than go to cobbtuning and they can build you a very powerfull engine.
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Old 05-05-2002, 07:21 PM   #5
footypaul
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Subaru's arent drag cars anway...... Yes the AWD system allows for good 60ft times, but are extremely parasitic as far as HP goes. Get a 4 door civic or something
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Old 05-05-2002, 07:52 PM   #6
Evan J. Kelly
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Quote:
Originally posted by footypaul
Subaru's arent drag cars anway...... Yes the AWD system allows for good 60ft times, but are extremely parasitic as far as HP goes. Get a 4 door civic or something
What...

I won't even start the arguement.

Just wait a few months, a few people are gonna start having 11 second daily drivers, and if all goes well, I'll be in the tens.
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Old 05-05-2002, 08:05 PM   #7
Evan J. Kelly
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Quote:
Originally posted by FrostByte7
damn i was hoping i wouldn't hear that. oh well... time to look for another light weight 4 door potential drag car
You could put any engine in any car, whether or not it will be beneficial is a completely different thing.

Look, a stock '94 subaru STI engine is capable(read tweaked) right out of the box of well over 400hp. A v.I-III Type-R or RA will yeild up to and maybe over 500. With the right turbo and parts, they are easily capable of well over 600.

The Impreza has NEVER been fully exploited on the drag strip.

If you put in the effort, you could do anything in an impreza.

-Evan
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Old 05-06-2002, 01:55 AM   #8
Kostamojen
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Frostbyte, I think you need to check out www.cobbtuning.com they have some modified Subaru engines in there, including the closed-block 2.5 thats capable of ALOT of hp for turbo aplications! (along with other things of course )
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Old 05-07-2002, 08:24 PM   #9
FrostByte7
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i'd never soup up a civic, or any other front driver for that matter. while a car with AWD isn't the best option either it seems that all modern 4 door imports are either FWD or or AWD.

that that block from cobb is one tough little monster. what tranny would work well with it? (i assume the stock tranny can't handle 600 hp and how about the differential?

BTW my goal is to get high 10's - low 11's. a typical RWD setup losses 15% through the drivetrain so i assume the impreza's AWD setup doubles that loss? so in the 3000 lb car we're looking at about 600 hp for those figures?

you guys that are running 11's how much did it cost you?
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Old 05-07-2002, 10:43 PM   #10
handbrake2
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If you're looking for BIG power you may want to look into something that was designed from a GT car instead of a rally car.

A Skyline is perfect for what you want, but you want 4 doors and I doubt you want to spend Skyline money. In that case you may want to look into an Infinity G35 sedan.

Rumor has it that the next Skyline will be based on modified versions of the same chassis and engine. It's also possible that Nismo might make performance parts for it, and you start with a V6 3.5 before adding a turbo.

Think about it,
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Old 05-07-2002, 10:57 PM   #11
handbrake2
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If you're looking for BIG power you may want to look into something that was designed from a GT car instead of a rally car.

A Skyline is perfect for what you want, but you want 4 doors and I doubt you want to spend Skyline money. In that case you may want to look into an Infinity G35 sedan.

Rumor has it that the next Skyline will be based on modified versions of the same chassis and engine. It's also possible that Nismo might make performance parts for it, and you start with a V6 3.5 before adding a turbo.

Think about it,
Handbrake2
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Old 05-08-2002, 05:07 PM   #12
Red Rocket
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Default Re: ANy info on impreza's with engine swaps?

Quote:
Originally posted by FrostByte7
since it seems difficult to get more than 400 hp out of the impreza's engine i'm interested in seeing some cars with other engines in them (like a supra engine) it should be much cheaper and easier to make 600 hp+ that way.
What you CERTAINLY can do is swap in a SVX motor, the EG33, its a 3.3L H-6. Rebello racing out in cali is building these up to make inexcess of 750 hp, and over 1k has been reported. Do a search on the subject. It only weighs like 75 lbs more I think? The MAJOR problem is getting a tranny that will stay in one piece with that kind of power - maybe a custom Getrag. In a striped GC8, you could theoretically run deep in to the 9's or 8's with that kind of power...it might run you about $100,000 to build a car like that, and good luck maintaining it.

To do it cheaply, you could take a mid-nineties impreza chassis (cheap!), rebuild a SVX engine mildly yourself, get a Chalak dogbox built, etc, etc. Maybe under $20000 if you knew what you were doing, or $30000 if you didn't. Might run low 11's, high 10's, with about 500 whp? That might be a project car for me at some point.

There are cheaper platforms to run 10's on though. Any V8, GN's, supra.

Kevin
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