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GM 10 bolt outer swap, what parts should I replace?

RockBottomRacing

1/2 ton status
Joined
Oct 10, 2011
Posts
128
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Location
Simi Valley, CA
Hey guys,

My 91 Jimmy needs an axle swap. The truck had an 8 lug swap done, but the guy didn't change the front axle, he just changed the outers out. It has 3.73's in the front and 4.10's out back. I had a 10 bolt front with 4.10's from an 88 Suburban k20 that's been sitting in my yard with no outers. I'm in the process of cleaning it up and then gonna paint it and swap my outers from the truck onto this axle before I swap it in. The PO put new bearings u joints and new warn hubs in less than a year ago. It also has the Dana 44 flat top knuckle (I have crossover steering). I plan to take her camping next weekend so I'm looking to get everything knocked out this weekend and next week. What parts should I replace while I'm in there? This truck is purely an Offroad toy and weekend cruiser. Would love to hear your recommendations! Thanks guys!
 
Should be a direct swap to your 91. You're swapping an 88 3/4 ton 10 bolt into a 91 Jimmy which already has 8 lug hubs. The axles should be exactly the same except the 88 might or might not have 30 spline inner axleshafts I believe. Other than that should be an easy swap.
 
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