L72/L89 valve lash? - The Supercar Registry

10-25-2005, 07:39 PM

markjohnson markjohnson is online now

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L72/L89 valve lash?

Does any one know if GM called for a different valve lash setting from an L78 or L72's INT.=.024,EXH.=.028 when the engine is equipped with L89 aluminum heads due to the expansion rate of aluminum? Thanks.

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1962 Biscayne O-21669 MKIV/M-22
1962 Bel Air Sport Coupe 409/1,000

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