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R18 to R20

22298 Views 28 Replies 13 Participants Last post by  Megaman X
I know there are older threads on this, I've just been trying to get some more information on modifying my R18. According to some, you can run certain parts from an R20 (cam, crank, oversized pistons, amongst a few other things). I'm wondering if anyone knows someone who has successfully done this, or has any info on what I can do to find out what will work and what wont.

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Absolute best case you make 15 more HP than an r18. Thats still 40 shy of an si. Not to mention the aftermarket support. No one will know you spent thousands of
Dollars putting an r20 in unless you tell them.
1 - 2 of 29 Posts