RobertISaar Posted September 15, 2009 Report Share Posted September 15, 2009 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. Quote Link to comment Share on other sites More sharing options...
Crazy K Posted September 15, 2009 Report Share Posted September 15, 2009 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. Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted September 15, 2009 Author Report Share Posted September 15, 2009 thank the lord for the awesomeness of Crazy K. Quote Link to comment Share on other sites More sharing options...
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