GT4 Gears,2wd

[gmoutdoorsman]

Does anyone know if any of the 2wd 1/2 ton trucks came with the factory GT4 3:73 rearend? im wanting to swap my 3:42 GU6 for some better street performance.All I can find is that rear in 4wd trucks which has a wider housing. I just want a good posi (G80) with better gears (GT4)

 

[chevyman("]

Most people snatch em up quick lol so you jist gotta come across one


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[gmoutdoorsman]

ya I noticed lol. but im not even sure if the GT4 gears were available in 2wd models. I found one at the junkyard today but they wanted $350 for the rearend and it was 4x4,and all could use is the carrier/ring and pinion.and honestly im a lil worried to install a new carrier in my housing because of thr spacers/shims.dont wana ruin a good gear set

 

[gmoutdoorsman]

also do the s10/blazers use a 7.5 or an 8.5 rear?

 

[Steve's Chevy]

I have the GT4 3:73 gears in my 2wd , and why would you want a G80 ?

 

[skylark]

They did come in the 2wd but the 10 bolt G80 is a pile O' poo. If you wanted to upgrade and find gears easier, start looking at the light duty (6 lug) C2500 trucks. The axle is a semi float 14 bolt. What you will end up doing is building a 454ss rear end. Pull the 6 lug shafts out and send them to moser to be filled and redrilled to your 5 lug pattern. The last time I had that done it was around $100. Then you can swap all of your brake hardware off of your 10 bolt and it will swap to the 14SF. Done deal.

 

[gmoutdoorsman]

Thanks sounds like an awesome idea! im just tired of the one tire fire (except in rain or snow). And im very low on cash just trying to add some pep to my 4.3

 

[gmoutdoorsman]

Idk i dont really know a whole lot about the G80, my dad's 01 Silverado has the G80 and i just love the way it locks almost everytime

 

[skylark]

I forgot to mention that you will also need the ubolt plates as well. The last one I did I got for $100 from the local pick and pull. I did new brakes, wheel bearings, seals, axle shafts and fluids for under $300.

 

[FastOrange]

Thanks sounds like an awesome idea! im just tired of the one tire fire (except in rain or snow). And im very low on cash just trying to add some pep to my 4.3

You will hard let notice a change from 3.42 to 3.73