ZL-1 engine questions - The Supercar Registry

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03-27-2011, 04:52 PM

William William is offline

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Re: ZL-1 engine questions

Not quite. It states as of June 6 Chevrolet would no longer accept a dealer order for a Z/28 with a 4.10 axle. The order lead time was about 4 weeks. So 07A and later builds would have nothing numerically higher than 3.73. That's around VIN N665xxx.

Must have been too many splattered 302s with 4.10 axles. Didn't stop it though as a salesman friend fried the engine in his '69 Z/28 demo with 3.73s.

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