Thanks guys.
Mines 4:44 but that doesn't mean a lot when a rb25 should have 4.1.
Like going to a 3:9 I guess. I was running a 3:6. I have got a 4:27 that I was going too get made up. I'm expecting a massive difference. At 100mph I was at 3k on 18's. Could you feel the difference Dan??? Just :1?