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Dude just leave the original engine they respond well to mods and are pretty tough. How much money do you have to throw at this? Mods arent cheap!

Also how long have you had the car? I'm not trying to belittle you but are you used to it? or are you used to driving something quick? Theres no point in spending a wad of cash & slapping on a turbo + extra parts for you to crash it into a pole! Trust me it happens so often with these cars you wouldnt Believe.

All that said, if you want good power you can get it from the RB25 in the 34 very easy.

If you've got enough in your budget for a new engine, you've got enough to upgrade your present one.

Ask ENVY, UAS etc about what your RB25 can pull awkw with upgrades.

And don't forget your brakes & susp'n in the process.

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