Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#7
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John,
That '840 with the '70 date would be a service replacement only - as others here have suggested. Regarding the spark plug seats, it would be interesting to see if the '70 dated head has a non-peanut style seat. One more application for those heads was the L/71 ( so that's L/71, L/72, L/78 ) ![]() Nuch
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