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- - speedometer ratio adapter (https://67-72chevytrucks.com/vboard/showthread.php?t=451647)

bhoeger70

03-07-2011 10:38 PM

speedometer ratio adapter

I changed the gears in my truck I went from 3.07 to 4.10 and need to change the speedo ratio adapter. I need to figure out which one I will need. The one in the truck now has 1.2020 on it.

Altec

03-07-2011 11:12 PM

Re: speedometer ratio adapter

Tire size?

bhoeger70

03-07-2011 11:31 PM

Re: speedometer ratio adapter

the tire size is 235-75-15

1971k567cam

07-03-2011 03:39 PM

Re: speedometer ratio adapter

I just saw this thread on adapter calibration. I was wondering what was the fix for this. Is there different gears you can buy for the adapter? I changed my gears to 4.10 and tires are 33s in my 71 k5. Maybe a link or conversion chart somewhere?

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