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Sierra rear diff

Tech Talk for Suzuki owners.

Moderators: lay80n, sierrajim

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Posts: 3
Joined: Wed Jan 14, 2009 3:42 pm
Location: Gold Coast

Sierra rear diff

Post by Gabstar »

i am having trouble finding another rear diff centre for my 3.9 ratio 1984 N/T sierra. The one in it is welded so i cannot rebuild and i can only find a 4.1 ratio secondhand.
Does anyone know if the spider centre is interchangable between the 3.9 and 4.1 ratio diffs.

This way i can buy a 4.1 and just use the spider gears of it.

Does this make sense/work????????
Does anyone have a diff centre i can buy???
Posts: 169
Joined: Mon Jul 14, 2008 4:20 pm
Location: CQ, Aus

Post by Zook_Fan »

good luck there arent too many left but they come up for sale every now and then. I sold a pair of 3.9's for $500.
Posts: 3
Joined: Wed Jan 14, 2009 3:42 pm
Location: Gold Coast

Post by Gabstar »

tell me about it. its the last thing i need to get her on the road. thats why i am desperate for alternatives.

Anyone got any ideas??
Posts: 356
Joined: Thu Apr 03, 2003 2:55 pm
Location: Canberra

Post by zooker »

Use an open centre out of a 3.7 WT diff.
98 WT LWB Maruti, 1.6efi, rockhoppers, 2" body lift, 2" springs, 32" BFG muddies, jimny Power Steer, front lockrite :-)
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