Old 07-03-2007, 10:28 PM
  #2  
cepx111
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RACING JUNKIE
 
Join Date: May 2006
Posts: 2,044
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I would'nt go over 12 to 1.
I ran a 12.5 to one comp in my old racecar using a half and half mixture of racefuel (110 sunoco) and 93 pump gas, ran it that way for 4 years no trouble.
Goodluck, Charles
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