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Old 08-04-2006, 01:58 PM   #1
72-stomper
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Join Date: Nov 2005
Location: wisconsin
Posts: 142
Brakes Types JB7 or JB6 ????

I am doing front brakes on my 81 3/4 ton 4x4 and the catalog is asking which type of brakes I have. Either JB6 JD6 or JB7 JD7. I think this has something to do with the gross vehicle weight??? How do I know which one I have. There are no tags on truck, or vin # to check....
I do know the rear drums are the 13" X 2.5, and it has a 9.5" ring gear...(non floater)
I would like to order the front brakes on line...
Thanks,
Mark
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