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Old 07-09-2007, 09:31 PM   #1
smoked68
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Part # Question

I have 3 sets of gears for a chevy rear end. I would like to know where to find out what size and ratio they are. Can anyone recommend a site or be able to tell me what these are. Id like to sell them on ebay if they are worth anything. the GM part number is 12479316. thanks, mike
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Old 07-10-2007, 06:51 AM   #2
special-K
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Re: Part # Question

I`ll check that number in my parts book.But,the ratio should be on the ring gear.It will be the number of teeth on ring:number of teeth on pinion.Divide these numbers to come out with ratio numbers.I`d like to buy a 3.08 set in excellant condition if the price is below new cost enough.I`ll check that part# tonight.
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