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Old 03-08-2017, 11:10 AM   #24
James the III
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Join Date: Nov 2016
Location: lowell ma
Posts: 750
Re: 305 engine issues

Quote:
Originally Posted by 68gmsee View Post
I thought about that possibility also, but trac says in one of the posts above that it runs okay when holding steady at 50 mph. It would certainly fail then if it was a gas tank vacuum problem.
Don't be so sure of that.. the pump at that engine rpm might be able to suck hard enough to have the vent seal leak.. or suck through the sucked up the line tank filter sock
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