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#1
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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 |
#2
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I answered this a while back...I believe one of my manuals says 22/24 "hot". Just remember....set the intake as the exhaust opens, set the exhaust as intake closes...
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