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Old 06-11-2010, 09:46 PM   #8
Chevycummins
 
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Name: Chevycummins
Title: Bad case of Tinkeritis!
Status: Not Here
Join Date: Jul 2008
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Posts: 3,488
if i remember correctly i think Jim Fulmer did a test and found there is no gain over like 45 psi of fuel pressure
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