5.3 6l80e people
03-21-2013, 11:27 AM
#21
Wish I had more to add but I have more questions than stats... My '11 4x4 rcsb 5.3/6l80 3.42 is a complete dog.. especially on the hwy.. Have you guys been happy with your tunes? Are you keeping the afm? Pulling a 2klb trailer last week it stayed in between 4th and 5th and had me at 3k rpm. 7mpg on that trip. Ouch.
Last edited by lt1s10; 03-21-2013 at 12:29 PM.
04-17-2013, 04:35 PM
#22
Staging Lane
Join Date: Nov 2012
Posts: 82
Likes: 0
Received 0 Likes
on
0 Posts
so far ive hit a 14.6 with my 09 CC silverado with full exhaust, headers, and tune, added a stall and intake so might make a trip to the track this weekend to see if i can get a low 14 pass.
04-17-2013, 05:05 PM
#23
TECH Enthusiast
Join Date: Aug 2012
Location: kansas
Posts: 629
Likes: 0
Received 0 Likes
on
0 Posts
im getting ready to go to the track friday as long as the temperature is high enough for the track to open. i posted my mods on new member forum under lets go to heartland park. my 2012 had 3.42s but i just got 4.10s. with a decent 60ft. time i should be setting a mark to beat with stock longblock!
04-20-2013, 04:01 PM
#26
Staging Lane
Join Date: Sep 2009
Posts: 78
Likes: 0
Received 0 Likes
on
0 Posts
Thread
Thread Starter
Forum
Replies
Last Post
04BlackGmc
GM Drivetrain & Suspension
2
07-16-2015 04:10 PM
