
Originally Posted by
Chevy-Art


What transmission are you using?
4l80e with 4000 stall
2004 Silverado:THELSX L.M.E LSX 454 C.I tuned by Llavero 11.1 N/A @121 MPH
2004 Sierra:GUNSLINGER L.M.E LSX 427C.I,Twin Borg Warner/Forced Induction 76mm, th400, Ford 9" with ladder bar