Rob,

That looks like a Chevy 348 or 409 engine. I believe the 348 was available in Chevy trucks of that era.


'38 Chevy 1-1/2 ton
'49 Chevy 1/2 ton
'54 Chevy 6400 2 ton
'55.2 GMC 3/4 ton
'56 GMC 1-ton

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