1969 z 302

[Lynn]

Originally Posted by rszmjt

I 50+ years being involved with machining/building SBC motors & a lot of 69 DZ302,s , I have personally never seen a 041 head that is a factory 2.02 x 1.60 . Not to say it didn’t/couldn’t happen but it would be interesting to see if that 041 head has machined/relieved combustion chambers around the intake valve as the factory production big valve head did. The factory relieved combustion chamber around the intake valve is hard to duplicate exactly even with today’s Serdi/Quickway type tooling.

That's what I meant when I said:

"You might try a boroscope, but it would be really hard to tell if the head was machined for 2.02 intake valves from the factory without pulling it."

Probably would need to pull the head to inspect it well enough to tell.