Correct Speedometer Adapter 67 L78 D70-14 4.56 Rear

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01-19-2023, 02:26 AM

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There are a few different drive gears that mate with the driven gears. By Jody Haag's comments in threads, for a 4.56 rear ratio, the drive gear should be 6 teeth while the driven gear should be 20 teeth. This would eliminate an adapter. There are 2 different diameter drive gears also and corresponding driven. They must be matched.

Interesting thread here. Certainly not definitive, but educational.
https://www.camaros.net/threads/munc...o-gear.218963/

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