posted February 20, 2004 02:43 PM
Just purchased a GMC Z71 4x4 extended cab short bed. I will be using this to tow my car to the track. Its got a 5.3L How do these tow? Any recomnedations on improvements like performance chip, dual exaust etc??? WR #66
rockit Dirt Maniac
Total posts: 125
posted February 22, 2004 08:46 AM
i work in a gm dealership .i have not seen anything let that helps them run .i sure that there are some aftermarkit stuff that will make it do what yo want ,but becareful in what you change becasue it could mess your warnty up .friend of mine has the same truck an pulls open trailer and imca mod just fine .
Winland Racing Dirt Maniac
Total posts: 122
posted February 23, 2004 12:09 PM
Thanks for the input. I have a Ford Expedition that tows great. I figured the Z71 with the longer wheel base should do even better. WR #66
stockcar5 Dirt Forum Champ
Total posts: 578
posted February 29, 2004 03:21 PM
they tow good but lack some power. i had a z71 but upgraded to a crew cab with the 8.1
check out www.ls1tech.com and go to the truck performance section...lotsa info for you there.