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2004 Forester XT
37 Posts
Discussion Starter #1
I am replacing my 2004 Forester XT motor with a EJ20X, I plan on going up one size on my turbo off of the ej255 I am pulling out, I know I need a tune because the ej20x compression ratio is higher, I believe its 9.5 to 1, I plan on keeping everything off the EJ255, exhaust, etc. , what kind of horsepower will I be close to? Can anyone tell me what would be the next larger turbo without any other modifications.

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