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07-08-2016 11:51 AM #1
Welcome to CHR
Really impossible to tell without casting numbers as Chevy was all over the board with these heads. First thought is perhaps a '69-70 350 041 casting - 1.94/1.50 valves and a pretty decent head used in the 330 horsepower factory builds.
Second thought is possibly 186 or 492 casting which could be 1.94/1.50 or (better) 2.02/1.60 valves as found in the LT1/Z28 engines.
Only guesses - get the casting number and we can help you out."Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil
Dammit, another good ol boy gone. Condolence to the family. RIP Mike
RIP Mike Frade, aka 34_40