How many people are running the 6l80/6l90?
Ok so how many people are running this tranny and is it worth the swap? I have my tax return coming back and I am trying to decide if I build my 4l70, go 4l80 or go 6l80. Please only chime in if you have experience with the 6l80.
Sold-4"FWI, Pacesetter Headers, Trans Cooler, Nic D Tune, RD Radiator/Spal fans, Big 3 ground kit, Front Kbee's,Rear KW Double Adj Shocks/Springs, DJM Rear Sway. 355hp/360tq in 113 Degree AZ Heat PB 1/4 ET 13.19
Last edited by RFMSS; Jan-18-12 at 09:07 AM.