mike at new era performance has trucks he tunes running a lot more power than this on a stock 6l80e with no problems. of course the 4l80e is strong but i cant comment on the swap thats something you would have to research on.

 

Great looking truck. Love the wheels.

 

The 6 speeds seem to be holding up pretty good. I have seen numerous 600 to 700rwhp vettes run them and hold up. I know a truck is a lot heavier but you wont see to many 700rwhp 4l60s stay together in any vehicle. I am typically not too hard on my vehicles so I might not be the best test case. My old 04 silverado with a 4l60e and g80 held up until the day I sold it with 130k supercharged miles and simular power of the avalanche.

 

Sweet truck man ! Having that off idle power just makes it better !

 

Very cool ride. I'd be curious to see what its capable of at the track. Its begging you for some headers and a smaller pulley

 

How are you liking the Roush kit thus far? It seems like a very well rounded setup. I'm weighing my options for my 04' and this is in the mix.

 

My Roush kit has worked flawless. The only issue I had was I ended up gernading the G80. 6000 pounds, 33s and barking 2nd killed the stock limited slip. I now have a trutrac that works like a champ. You cant go wrong with any of the tvs setups. I had a Mp112 Maggie on my 04 Silverado and it worked great with no issues also. The tvs makes a little more power and is quiter than my Maggie but both drive virtually stock with minimal maintenance.