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Stock Tire Sizes


RobertISaar

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looking for some info on the stock sizes for certain OBD1 vehicles...

 

i need stock tire sizes on the following BCCs:

 

AUBU

AWMJ

BCDY

BCFA

BDJS

BHAK

 

those are all 91-93(94 lumina?) 3.4, and 93-94 3.1(LH0) cars.

 

i'm trying to find out why the instrument panel pulse divisor and road speed constants are identical between all of those BCCs... i don't know if the tire/gearing makes them identical or if its something else. anybody that has a car that originally used one of these PROMs, please post the stock tire size of your car. thank you.

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AUBU

AWMJ 92 z34 3.4 4t60e 225/60R16

BCDY 93 CS 3.4 4t60e 225/60R16

BCFA

BDJS

BHAK 93 z34 3.4 4t60e 225/60R16

 

i have those chips loose and marked.

 

keep in mind that the tire size of most of our cars nearly the same:

205/70R15

215/60R16

or

225/60R16

and they are all about the same diameter, give of take just a bit.

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