What was the factory tire size on 87? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

10-20-2023, 10:41 AM

#10

Keith Seymore

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Join Date: May 2009

Location: Motor City

Posts: 9,158

Re: What was the factory tire size on 87?

Quote:

Originally Posted by Hammered 77

So if you opt for the larger tires what was done to correct speed and mileage?

Different transmission part numbers were released with internal gearing to accommodate tire and (more so) rear axle ratio options.

In some cases an external adapter was also used, as in the case of my '87 (it used the "Z" shaped version).

K

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