Green 98, sounds like you may be talking about the hole for the draft tube that someone may have stuck a freeze plug into. I'd check this out and see what's up. Sounds like a modification from original, have seen racers do this to eliminate the down tube.


It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed