'87 Silverado

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Eric Sprouse

Junior Member
Joined
Jun 3, 2018
Posts
14
Reaction score
8
Location
Charlotte,NC
First Name
Eric
Truck Year
1987
Truck Model
R10
Engine Size
350
So.....What would be the most cost effective way to put posi traction in my stock rear end ???
It's a 350 with the overdrive transmission.
 
Snoots

Snoots

Full Access Member
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Location
Georgia
First Name
Roger
Truck Year
1973
Truck Model
Jimmy Sierra
Engine Size
350
Sell the truck and buy one with a big block that has a posi.

No. Really, what rear axle does it have?

You can find a posi pumpkin at the boneyard cheap. You'll need to buy new ring and pinion gears and an install kit that has bearings, shims, crush sleeve and seal.
 
1987 GMC Jimmy

1987 GMC Jimmy

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Location
Mississippi
First Name
Jesse
Truck Year
1987
Truck Model
V1500 Jimmy
Engine Size
350
The absolute cheapest thing to do get limited slip would be to find an Eaton G80 pumpkin in the junkyard, but that’s not a good idea. That’s what I have, and it makes a constant “wooo” noise at certain speeds and loads so I’m thinking that’s not so good. I’d do what Roger said.
 
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