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You have a couple options. What power adders do you have? Ideally if you rebuild your 70e you can get them to change it to 2wd, or you sell your trans and buy a built 2wd trans from rpm, flt or similar. Then you will need a 2wd driveshaft. You'll need to make stubs for the front hubs and remove the front diff components at which time would be good time to do the baffle or pickup tube mod.

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Discussion Starter · #3 ·
You have a couple options. What power adders do you have? Ideally if you rebuild your 70e you can get them to change it to 2wd, or you sell your trans and buy a built 2wd trans from rpm, flt or similar. Then you will need a 2wd driveshaft. You'll need to make stubs for the front hubs and remove the front diff components at which time would be good time to do the baffle or pickup tube mod.

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2006 TBSS
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TrailblazerSS
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114 Posts
You can either get a new output shaft, extension housing, and speedo reluctor for your current trans (or just pick up a 4L70E RWD version); and a new driveshaft and you are good to go.

You should also, for the full benefit, pull the front diff and axles out as well for the weight savings and reduction of parts that can break. I'd also, in a perfect world, get a set of the outer axle stubs from the RWD version to put in place of your current axles.

Everything else will work and bolt right up.

If you are interested, and in the Chicago area, I have the RWD trans and driveshaft. Make me an offer..... I went the other way converting FROM rwd TO awd, which is a little more complicated
 

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Lighter-than-you
TrailblazerSS
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There is tons of evidence on this forum that hub stubs are not necessary even if auto-xing your rwd conversion. It is just extra weight, independent ballast actually for the increased towing capacity of the SS RWD- per GM engineer (not me) reviewing original design schematics. Search Hub stubs on this forum.
 

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2006 TBSS
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135 Posts
There is tons of evidence on this forum that hub stubs are not necessary even if auto-xing your rwd conversion. It is just extra weight, independent ballast actually for the increased towing capacity of the SS RWD- per GM engineer (not me) reviewing original design schematics. Search Hub stubs on this forum.
This is true but gm offered the ss with stubs adn the non ss without stubs... at the end of the day its what makes you feel all warm and fuzzy inside lol
 
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