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Old 08-06-2007, 08:19 AM
  #4  
signsbyesa
Senior Member
RACING JUNKIE
 
Join Date: Feb 2004
Location: san antonio, texas
Posts: 1,233
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you know running a 13:1 comp you should think about using
aluminum, you'll need all the coolness you can get with that
high of compression, i was running 10:75 to 1 and ran hot
with iron heads, purchased aluminum and it fixed the problem
just letting you know the problem i had, good luck
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