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Need help please.

Smokinhot

3-man rules!!!!
Jul 4, 2007
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Ok, here is my input. A 4l60e will not last behind a 6.0 for very long even in stock form. The torque will destroy it. I 6.0/4l80e swapped my silverado and its easy. The 80e can be had for around 600 or maybe less but you have to go out and find them. I paid 700 or 800 for mine with 77k on it (it was MINT) and had a transgo HD-2 kick install and re-freshed the clutches. All in all I have $1k in it (for now.... something is going in it or the Torque Converter... bad tune).

They come behind the 6.0 and 4.8 in the 3500 cargo vans. All i did to hook it up was run 2 wires for the 2nd VSS sensor to the computer and re-pin the main hook-up and segment swap it via HPtuners. It's that simple. You mentioned 450rwhp was your goal, it will handle that no problem in stock form ;)

The 80e has my vote. As far as gearing, its the same as a th400 just with OD 2.482, 1.482, 1, .75. If you stick with a 26"-28" tire 3.73's or 3.90's would be fine to get you movin pretty good.

Hope that helped :bigthumb:
 
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