If you had antique fuel in it, then it is all sucked up into the fuel system, so make sure the lines are clear, bent pushrods are likely, so make sure to check them as was stated. Probably not a good idea to use ether to try to start it, it should start on gasoline.

'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.