lian Posted November 16, 2009 Report Share Posted November 16, 2009 ok so i found a shaven head the guy says the amount taken off makes them 20 cc domes i will have a set of vito superstock pistons in with it. but what is the octane rating required Quote Link to comment Share on other sites More sharing options...
crash&burn Posted November 17, 2009 Report Share Posted November 17, 2009 I dont know how the banshee's respond to the fuel if the octane is to high for the banshee... but if your banshee is pretty much stock with just pistons and a shaved head giving you 20cc domes i bet you would be good with premium but to be safe i would run a 50/50 mix of pumpgas/racegas until you can find out what your octane is suppose to be at i always run a little higher ocatne tthan what i am suppose to just so i can avoid problems Quote Link to comment Share on other sites More sharing options...
AKheathen Posted November 17, 2009 Report Share Posted November 17, 2009 well, what is your elevation, and have you advanced the timing? most likely 93 will suffice. and what bore size? Quote Link to comment Share on other sites More sharing options...
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