Re: ZL-1 aluminum 427
I believe all ZL-1 were cast in 69, I dont know about Yenko. These blocks were sold thru 1973. Does your block have a Winters mark on the front, or a Yenko mark?
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1962 Oldsmobile Jetfire, Factory all Aluminum V8 Turbocharged and Methanol Injected TURBO ROCKET engine, 4 speed Hydramatic, 4 link rear suspension, 3.36 differential, California car, PS, PB, PW, AC, Jetfire 2 option package.
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