| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | There are two kinds of aviation fuel. 80 octane is hard to find. 100 low lead most everywhere, neither have alcohol. 80 would no advantage other than no Alcohol. 100 low lead only needed on high compression engines. Melting fuel lines and pumps is due to something else!
Ed
'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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