v8 swap? - Subaru Forester Owners Forum
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post #1 of 9 (permalink) Old 04-10-2013, 06:26 PM Thread Starter
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v8 swap?

Can it be done first off? Second, if it can be done will the rear end handle it?

thinking about this one with a pair of turbos.

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post #2 of 9 (permalink) Old 04-10-2013, 06:30 PM
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It's been done, but why? Chassis isn't very stiff. The R160 will not last long, but an R180 is stronger. What would you use for a transmission? Engine sits pretty low in these cars, I'd imagine your oil pan would be very close to the ground.

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post #3 of 9 (permalink) Old 04-10-2013, 06:30 PM
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You can throw whatever engine you want into whatever you want, but everything will be completely custom (drive shaft, rear diff (NO, the stock rear diff would blow up instantly with that torque), you would most likely have to reinforce the chassis, bypass the ECU, customize the engine mounting, etc. etc.

It would be a fun project car, but i'm willing to bet it would be slower than if you upgraded your current stock drivetrain.

Here's a LS1'd WRX:


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post #4 of 9 (permalink) Old 04-10-2013, 06:33 PM
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You are the only one on this forum who would attempt that. I guess you miss the Supra's power? There's a guy on NASIOC currently LS swapping an Impreza. It's quite a project, requires custom front and rear subframes and pretty much everything attached to that.

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post #5 of 9 (permalink) Old 04-10-2013, 06:34 PM
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Would be quite the wear and tear on the rest of the car. But, as long as it isn't your daily driver (as in you don't need to rely on it everyday), and just a project car, go for it. Would be really interesting to see. And it really would surprise the crap out of the ricers.

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post #6 of 9 (permalink) Old 04-10-2013, 06:37 PM Thread Starter
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Would be quite the wear and tear on the rest of the car. But, as long as it isn't your daily driver (as in you don't need to rely on it everyday), and just a project car, go for it. Would be really interesting to see. And it really would surprise the crap out of the ricers.
it's either this car, and it would be a DD after, or finding an old 1979-1983 RX-7 and dropping in something really stupid like a 4 turbo 4 rotor or an FR10 with twin turbos.
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post #7 of 9 (permalink) Old 04-10-2013, 06:38 PM Thread Starter
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You are the only one on this forum who would attempt that. I guess you miss the Supra's power?
I miss the 2000 Mustangs power....when 1000 isnt enough go higher
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post #8 of 9 (permalink) Old 04-10-2013, 07:09 PM
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it's either this car, and it would be a DD after, or finding an old 1979-1983 RX-7 and dropping in something really stupid like a 4 turbo 4 rotor or an FR10 with twin turbos.
Again, why? This is from someone who owned 3 1st gen RX-7s and loved them much.

A Firebird/Camaro can be had cheap, is made to take the power and has a double wishbone suspension setup. Neat ideas though.

Older AMG Mercedes are cheap now and hold their value, that would be a great daily. Maybe I'm getting old..

Okay, your 1st gen RX-7 idea sounds good to me lol

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post #9 of 9 (permalink) Old 10-13-2013, 04:52 AM
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a subaru is an airplane engine. a porsche 911 motor would go in easier than a v8. so would a lycoming io540. if you have a welder and a big hammer, you can put anything into anything. doesn't mean it is a good idea...
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