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if you run a compression this high, is it still safe to run off of 91 oct w/o an octane booster... and still aviod dentination?

 
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yeah, if the vehicle is timed right.... in our cars the timing is so mild that you can probably run 11.5:1 without any problems on 93 would be my bet.

I think these cars have a knock sensor too - so you should have no troubles.

 
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i would run at least a 93 to be safe, with that compression ratio you might at well go higher w/ octane boosters or pre-mixed race gas, you will fly...it's expensive but so is building a 2k1 engine to run 11.5:1...can our cylinder walls handle that????

 
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thanks fellas, as of right now... there aren't enough parts out to turn our motors into beasts. Just getting an idea on what our motors are capable of.