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View Full Version : 8.5 to 8.6 interchange


interceptor2
11-20-2006, 01:50 PM
found a extreme s-10 blazer that has a 8.6 diff 3.42 and g80 can u install this into an 8.5 housing poss. by loosing the abs stuff and differant bearings ??? are
these 30 or 28 splines??any help would be great. would like to use to rear disc but i dont think they are big enough thank you in advance! <i broke my diff with a set of m/t drag rad's they hooooked up to much>

turbofish38
11-21-2006, 04:58 PM
The ring and pinion interchange but not the case. The Blazer is 30 spline.

interceptor2
11-24-2006, 12:33 AM
thanks eric,
i ordered a locker ,moser c-clip axles,<cant stand the leaks i have with elimators> going to use that r&p and fresh bearings its asame i couldn't use that
posi but winter is here and i cant tie a lift up and spend 1000k shipin wrong parts around unless someone knows what bearings will make it work in my spare housing is from an 85 it had a bad r/s carrier bearing <plan on making this one a
GOOD back up again> i should call moser about 30 spliners huh too late now!!! i say again thanks in advance

monzaz
12-14-2006, 01:29 PM
The 8.6 carrier will interchange into any old 8.5 housing as long as you switch the axles to 30 spline and get the spool bearings for the carrier 102949 bearing and 102911 race. then you are set to go. Jim