| Re: [GMCnet] Speedometer Gear Reducer Adapter [message #359930] |
Mon, 02 November 2020 09:38 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Jim K. sells a gear reduction box of the appropriate ratio that matches the
final drive sets that he sells. With the 3:70 -1 gears that I installed in
my 78 Royale with a 403 engine and original tire circumference, it is dead
spot on the mark. Another option is a GPS speedometer, you just calibrate
it as you travel down the road. Both systems work well.
Jim Hupy
Salem, Oregon
On Mon, Nov 2, 2020, 7:30 AM 78gmcroyale via Gmclist <
gmclist@list.gmcnet.org> wrote:
>
> Good Morning If I recall someone on here is knowledgeable of speedometer
> gear adapters. Can anyone connect me with that person?ThanksRaySent from
> my U.S.Cellular© Smartphone
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