Recent content by 434Chevelle

Does anyone have a guess why or how a 65 factory 340 hp cam would end up in a 62 380hp 409? I can’t imagine wanting to do that on purpose as an owner. Lol

8704214 on the timing gear so its stock.

The cam in it is pn. 3744430. So a 65 340 hp cam. Weird.

Very good point!

Thanks!

Thanks!

Why is the casting date next to the casting number f961? They cast it in June 61 fir 62?

Good to know for sure. Makes head and intake choice different. I wonder why it has a 61 crank. Maybe because it was machined at the end of 61?

Got it. That makes sense. Thank you.

I’ll do that. You know any of the Couch boys?

Is that info incorrect?

When someone is trying to keep something numbers matching, what is acceptable as far as numbers matching with the motor? Do cylinder heads need the correct numbers? Do the pistons and rods? Main caps? How detailed does it usually get? If someone can answer that.

I just went by the info on here and it said QA is for 61,62,63 and 64 and the casting number says June of 61. It can be confusing

Well, that tells me something I was wrong about. Thank you!

I bought a partial shortblock that from what I have looked up, is a 1961 Impala motor. I bought it from a guy that said he bought it from a guy he knows that got it at an auction, only knowing it was a big block Chevy. The casting numbers behind the driver side head are 3788068 and F961. The...