| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Many ign. switches are so worn, any key will fit. Most locksmiths or keymakers will have blank GM keys. Look around, under the seat, etc., you might find one there. For now, just hotwire it.
Interesting truck. Gasser? What engine does it have? Ser. No. will start w/ displacement, i. e. 302xxxx, or 360zzzz, stamped on a machined pad behind the distr. on some.
Good luck
'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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