Were they stock GM O-rings or aftermarket? All O-rings are not created equal, so if you used the wrong size or non-fuel compatible O-rings then that might explain the problem. I used new O-rings from the GM dealer and have had no issues.
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1999 Pontiac Grand AM SE - 3500 Swap
Last edited by Starglow : 07-21-2014 at 07:17 AM.
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