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.
Last edited by rszmjt; 03-04-2021 at 02:12 PM.
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