Call your local speedometer repair shop, they can make an adapter for you or you can find them online.

If you had a 390 rear and the calibration was right you'll need an adapter that speeds the cable up by 10% or a +1.10 ratio.

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
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Silver Spring, MD