I just recently bought a 2 inch tachometer online, but it doesnt come with a manual. I have searched this forum on how to install this myself, but, still not much help. Im driving a staria injection, and...
Anyone know this : The exhaust housing from RB20 can be changed to match the RB25 unit? If so, theoritically, the RB20 exhaust + RB25 inlet housing match would spool faster? Thank you