Thread: Correct 1969 Big Block Starter W/ Auto Transmission?
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Old 05-04-2021, 08:37 PM
William William is offline
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Depends on which COPO.

The 1969 Chassis Service Manual lists 1108418 for all 396 engine/transmission combos. L72 was not listed but no reason to believe it would be different.

ZL-1 automatics substituted 1108400, possibly due to the higher compression.
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