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Thanks for the link. Here's what the heads are-3904390 1966-67 396/427 Closed . 325, 350 L-34/L-35 390, 400, L-36/L-68 98.4cc. Are these heads decent?

Couldn't read the bellhousing numbers but I...

I'm wondering what this motor come out of myself. It has an Edelbrock intake and a spreadbore Holley. I just put new plugs, cap, and rotor in it and it's running alot better. I can tell it has a mild...

I just picked up a 1970 Monte with a 454 in it. Was told it's a '75. I'm assuming the casting numbers for the heads are under the valve covers like a small block but I was wondering if the block...