CTR, nope. ITR yes. I had this same itch with my B16. I bought a B18C1 block, since I work at a Ed Voyles I got employee prices on USDM ITR new parts, I bought ITR pistons for $33 a peice, and I kept the B16 head. This made 162whp. I didnt get the ITR cams cuz i was out of money but that would have put me over 170whp i bet. So if thats all you're looking to make I'd say using OE parts is the way to go to keep it dependable.Originally Posted by allmotoronly