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alright i have a fully loaded..85 s-15 that i wanted to start messing with again...it has instead of an rpo sitcker in glove box a full print out. and i beleive it said 4.10s for the rears is this correct for that year with a 2.8 4wd 5spd? i want to go to the junkyard and get a new rear differential tommorrow and the truck is an hour away.. so any help would be greatly aprreciated i beleive the old differential that i pulled out said 9.37 or maybe 35 is that correct? my dad got me one that said 11.40 i beleive on it so it has to be changed since its totally wrong. and last but not least. i see summit has a pillar pod for 86 and up what about my 85 is there a difference? i love my pillar gauges in my GTP and want them in my truck... now just gotta see about a supercharger....lol
 
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