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Old 02-06-2012, 11:39 AM   #1
ramey
71' Custom 10 (ole blue)
 
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Join Date: Oct 2008
Location: Cleveland, GA
Posts: 223
Cool bad gas?

I just put a gm 350 in my truck bout 400 miles ago, its ran good until the other night i filled up with gas and ever since its ran a little rough. I put some stp gas treatment in it and ran it down to a 1/4 tank and filled up with high test and its still running rough but not quiet as bad, I'm thinking I still got some water at the bottom on the tank but ain't sure. Maybe the motors broke in and needs the timing set again or maybe the timing got thrown off somehow. Any thoughts?
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71' Custom 10 (ole blue)
GM Goodwrench 350
Turbo 350 Transmission
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