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Discussion Starter · #1 ·
When I purchased my 69 Camaro, I was told it had a ZZ3 engine in it. I have the paperwork also showing that. The engine block # is V0701ZZ1, Chevy p/n 10185025, purchased in 1991.

I wasn't aware that Chevy even made a ZZ1 engine until I was looking for some parts for my ZZ3.

Can anyone tell me by the block # if it's a ZZ3 or ZZ1.
Thanks..
 

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Premium Member
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Discussion Starter · #3 ·
Found out from Chevrolet that all the blocks are the same. Just the cam and heads are different between the models. They didn't start restamping the block until ZZ4.
 
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