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running 19cc domes (noss head), what octane?


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i burnt my motor out through detonation about 2 years ago..... shee was running 19cc domes and stock timing, using 98 octane and shee blew

 

so id def go with 100 or higher with the timing advance also

 

stu

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I don't know what the elevation is in Boonville but I would recommend 104+ unless you are over 2000' to be safe. Fuel is cheap compared to detonation.

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