C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Dec 31, 2002 | 09:19 AM
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lilredvette1's Avatar
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From: sparks nv.
Default zz4

what ia the piston to deck height on a zz4
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Old Dec 31, 2002 | 09:46 AM
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From: In Dreams There Is Truth Ohio
Default Re: zz4 (lilredvette1)

In the real world it should be zero, regardless of the motor or if its the General's, Henry's, or Chrysler. When u get a ZZ4, what u get is what u get...you are at the mercy of the casting and machinists...and 99.9% the deck heights are not even, they vary anywhere from .001 to .009. If you want true deck height, than u have to take the block and have them deck it to 0.

Case in point, my 502 block one side was .007 the other side was .004, so I had the block decked to .001, just to keep the compression down.

Hope this helps.
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