IV-Rotor Build: 12 plugs/ 9 bearings/ 8 ports = 1 monster

[GtoRx7]

Originally Posted by RICE RACING

excellent

I cant wait, happy to run some calcs on it for you when you get it up and running, want to see if it beats the 28% thermal efficiency of the R26B.

I'll save you some time..... It won't. Not yet. My engine only has two cermet coated housings. The R26b had all surfaces coated. Giving it the edge in thermal efficiency. It's ok, I have 3000 more rpm to play. Fair trade