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Old 07-16-2010, 08:23 AM   #1
chevyndn
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differential question

ok i have a 97 blazer its a 2 door 4x4 with a 4.3 and a 5 speed manual trans, the front diff is trash, and the rearend is out of a 2001 blazer, any ideas on which front diff i should look for do to gear ratios?? any help would be great.
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Old 07-16-2010, 07:53 PM   #2
gchemist
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Re: differential question

Check the rpo codes. 3.42 are fairly common
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Old 07-16-2010, 10:19 PM   #3
truckdude239
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Re: differential question

find one to match the rear diff, both dif ratios have to be the same or you will either kill one or the transfer case
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Old 07-17-2010, 05:47 AM   #4
chevyndn
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Re: differential question

ok...thank you
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