Originally Posted by Mie3R
Quick question...How does the RB V12 5 port, match up to the OS 12TZ 5 port, as far as performance? I dont mind paying the extra money to get the RB if I know for sure it'll beat an OS12TZ, or even my Mugen X12 engine.
Both are powerfull engine. If u wanna have the maximum power of V12, match up with RB Concept tuned pipe.[/QUOTE]
I have the OS 12TZ 5 port and it is a super fast engine. I just raced my brother's EVO 3 (3-port) in the long sweeper at Revelation yesterday, and the OS came out on top. For the price, it's hard to beat the OS 5-port. I haven't tried the RB V12 5-port as I expect it to be on par with the OS.