| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Perhaps you are referring to the filler cap-could be 8 point, use a large Cresent wrench,(they make metric ones now) etc., or find the correct size, measure across the flats, count the flats, remember, you, or someone else(your kid) might have to do this in the future, rounded off fasteners don't help the issue.
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
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