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Old 11-22-2003, 03:50 PM   #1
Scooby Newbie
Member#: 14727
Join Date: Jan 2002
2002 impreza RS

Question Will any high output porsche engine fit?

I saw a thread where a guy was putting a subaru engine in an old porsche, but does anyone know of any porsche 6cyl that can be squeezed into an impreza? What about other porsche engines? Usually porsches' higher output (more than Sti) engines are 3.0 liters and up, so my guess is that they wouldnt; but maybe w/ some frame chopping one would...
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Old 11-22-2003, 03:55 PM   #2
Scooby Specialist
Member#: 48685
Join Date: Nov 2003
Location: Coquitlam, B.C.
2010 Prius


Well I think you can.. there's a thread in here about the 3.0H6 into an STi. so you might be able to... but for the engine mounts and stuff.. I'm not sure
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Old 11-22-2003, 05:50 PM   #3
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if the is a will ,there is a way (+ lots of cash) I think it is possible
,you would have to change a lot of stuff, the wiring would be the most difficult part. you have to make sure the tranny can handle the extra HP too
it would be one hella project
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Old 11-22-2003, 05:52 PM   #4
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1995 Impreza L


it might, if not it can be made to fit with enough money. But the price would be incredibly high. You could get as much power out of a subaru engine for a lot less than anything porsche. But if your in it for the cool factor i guess it could be worth it.
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Old 11-22-2003, 08:15 PM   #5
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Join Date: Jun 2003

The subaru engine in an old porsche guy would be me. I would put a Porsche 6 in my car but it would be very expensive to get 300 rwhp out of one. It cost me nearly $10K to get my 944 turbo up to that power level and a 911 would probably be much more. So I'm looking for a cheaper alternative until I can afford a Porsche engine. A porsche 3.6 makes around 280 hp stock but costs $7000+ US. One thing to remember is these are oil cooled engines. For me the challenge is putting an H20 cooling system in a car that didn't come with one - for you the opposite would be true. Unless you go with a newer water cooled Porsche engine which will be more money. What would you use for a transmission? I'm lucky that there are lots of guys with kit cars using porsche transmissions mated to other brand engines but I have not seen anything the other way around. I thought about a boxster engine because they are relatively cheap but they appear to be too wide to fit in my car. Plus they are only 200-250 hp stock and difficult/expensive to upgrade.

Listen to these guys and stick with the Suby engine in a Suby car.
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Old 11-23-2003, 12:46 AM   #6
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2002 impreza RS


Thanks for the input guys; my question was entirely hypothetical -just for the cool factor. I think it would be cool to have reliable 400+ hp with that awesome metallic porsche sound.
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