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An old thread but might help someone. They are not 1967, they are one year only like 3917291. They are also 69-70cc heads, not 64cc. They are the...
Thanks VINFAB. Will have a better look at Alan's books, I have only skimmed through them at a friend's place. I do know that he has 3932388 wrong...
I have no doubt the introduction of the 1969 year model engines with 4 bolt mains was a result of input from those guys, but initially the casting...
Thanks guys. There is heaps of sites and books around that explain what the casting numbers are (some more correct than others), but I am after...
Guys Has anyone here ever seen any literature that explains what GM was up to regarding 4" bore 302/327/350 blocks for 1969 model year? I know...
Jeff As I pointed out in this thread https://www.jalopyjournal.com/forum/threads/strange-small-block-chevy-head-casting-mark.1013792/ the reason...
I doubt they were the original heads on a truck 327. The 040 heads were for the same application as the 291 fuelies wherever 1.94/1.5 valves were...
I never said they were 041 - I said they are the 1968 equivalent of an 041, like a 291 is a 1968 equivalent of a 186. Tonawanda and Flint used...
Easy one guys. They are Fuelie heads. In 1968 and 1969 the double hump marks are exclusive to Saginaw casting plant (normally machined by Flint V8...
Yep. Standard engine on 1969 Impala. It is the same engine as the Camaro's 327/210 (which used the 307's 2BBL carb and intake) but with the 1969...
Despite the first digits switcheroo, these are actually 1969 307/200, 327/210 or 327/235 heads. They are 69cc, 1.72/1.5 valve and 142cc intake...
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