WOW! Jack...that is a museum piece!!!!!!!! What a really neat truck. Very rare.

I don't know about the cap............the AD and pre war guys do.
Stamp indicates a 270 block. Internet says produced 1941-1963.....lots of swapin' going on from 39 up on all the straight 6 series of GMC motors.


Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn