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- - What possible gear ratio? 70 1/2 ton (https://67-72chevytrucks.com/vboard/showthread.php?t=785726)

bigmoe

04-26-2019 10:13 AM

What possible gear ratio? 70 1/2 ton

Any idea what the gear ratio might be for a 70 1/2 ton with a 6 cyl std trans? It might have been a 3 on the tree but I see an aftermarket floor shifter in the pictures. Is there any way to tell by data plate? or do I have to look for stamped numbers on the tube?

The truck is a distance away so I'm wondering if it's worth driving to check the ratio. I want a 3.73.

Travisarmenta

04-26-2019 10:58 AM

Re: What possible gear ratio? 70 1/2 ton

Quote:

Originally Posted by bigmoe (Post 8514083)

https://www.gmheritagecenter.com/doc...olet-Truck.pdf

Scroll down to Page 20.

bigmoe

04-26-2019 11:17 AM

Re: What possible gear ratio? 70 1/2 ton

Thanks! According to the chart the 3:73 is standard on a 6 banger.

big_al_71

05-04-2019 06:21 PM

Re: What possible gear ratio? 70 1/2 ton

What he said ☝🏼
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