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1968aj · 07-04-2018, 07:06 PM

maybe I should explain more. truck has had a 5.3 swap. vent line on tank was used for return line. now I need to vent tank. 71-72 fuel caps are non vented. 67-70 are vented but the filler neck on tank is bigger so those caps wont fit my tank. has anybody else had this problem? how did you fix it?

07-04-2018, 07:06 PM	#2
1968aj Registered User Join Date: Apr 2009 Location: houston texas Posts: 1,438	Re: gas cap question maybe I should explain more. truck has had a 5.3 swap. vent line on tank was used for return line. now I need to vent tank. 71-72 fuel caps are non vented. 67-70 are vented but the filler neck on tank is bigger so those caps wont fit my tank. has anybody else had this problem? how did you fix it?