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Discussion Starter · #1 ·
Is there a difference between an axle from a pre 99 and a 99 and up?
outside of gear ratios and posi non-posi. I was wondering if one out of a
97 would bolt up fine in my 00. Weird question I guess feel free to slap me.
 

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GMFS Member
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Pretty sure the 88-98's had a different spring perch width. I can't recall if it is narrower or wider than a 99-up axle.

Edit: Also the 00' may have disk brakes where the 97' has drums.
 

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HOT AIR BALLOON OWNER
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Ring gear dia changed too don't forget around the time the Gen IIIs came out.
 

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Mayhem, Like Me
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Lots of little changes Jim... next time I see ya we'll chew on it a little bit... you find a good rear??
 
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