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Just wondering if anyone had a chart that showed what axle ratio are based on the door sticker? My "code" is "89" or possibly "B9". I have tried a search but had no luck.
there should be an id tag on one of the rearend bolts that has it stamped on it. not many of these old trucks have all the factory parts.....not what you were looking for just my 2 cents..
The 3.55 LS ratio seems to be pretty common in the 8.8 rear axle.LS stands for limited slip.I'm pretty sure if the code has a letter and a number,it means the truck is equipped with LS,if the code has two numbers,it's non-LS.