I will need to go out @ check, but it's a short water-pump block. But no II bars on block. So I would expect it's a very early model. I know it's a 261, it has more water ports & 3" pistons.
Darrell, W.L.
1939 Chevy COE tow truck/My Stubbed toe
1939 Chevy 2 door Sedan
Car chat means talks about Chevy's. All other car makers only build transportation.
I don't work on my cars, I entertain my self in my garage, so my nabor tells me.
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