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03-22-2015, 03:00 PM
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#1 |
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Registered User
Join Date: Mar 2015
Location: Ontario Canada
Posts: 1,529
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Gear ratio available in 1970 on 4X4s ?
Just picked up my 70 Blazer project, and was disappointed to find a 3.08 tag on the front diff. The front is a Dana 44 which was easy to determine, and I assume the rear is a GM 12 bolt but have not confirmed.
The truck sits on 33X12.5 tires, and because I plan on installing an overdrive transmission, 3.08 will be way too stiff. Did they really put 3.08 gears in the 70 Blazers? I thought for sure it would have a 3.73 at minimum. Also, if I decide to change to something like a 4.10 gear, will the carrier have to be changed? Thanks |
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