Originally posted by bomberboys12 Yep, its because lower octaine gas doesn't burn as clean, which is what you need in built motors like that. Are you still running pump gas? At 12:1 you should be mixing it race gas.
sorry thats just plain wrong. Octane rating is gasses resistance to burning. a high compression car or a forced induction car requires the higher octane because too much pressure on a low octane gas can cause it to ignite without a spark andbefore the top of it's stroke= KNOCK