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Old 02-11-2008, 06:02 PM
  #3  
cncmotorsports
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MASTER BUILDER
 
Join Date: Apr 2003
Location: Brookings South Dakota
Posts: 244
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Any synthetic oil, We use Royal Purple XPR 10W40 Racing oil in 90% of our engines using alcohol.
We have been doing a bunch of reading on the Joe Gibs racing oil, supposed to be the best on the market.
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