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Forums
Performance, Builds & Detailing
Performance
Stock performance, or slightly above. Discuss GM's performance models and related upgrades.
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Tuning Questions
l008com
Feb 25, 2016
2
Replies
43
Views
6K
Oct 24, 2017
l008com
Regarding all MPG posts.
Purefection
Nov 11, 2014
Replies
33
Views
4K
Mar 26, 2015
Boricua SS
Fan/efan debate thread
Mooseman
May 7, 2017
Replies
24
Views
3K
Nov 15, 2017
Mooseman
K&N 77
Ghost
Jun 1, 2012
Replies
13
Views
4K
Jan 4, 2014
bbarker89
intake mod need help
c bausch
Jan 23, 2012
Replies
12
Views
3K
Apr 16, 2012
fadyasha
Why is the LS engine so good??
northcreek
Aug 19, 2016
Replies
8
Views
3K
Aug 20, 2016
northcreek
Catch cans
northcreek
Mar 16, 2019
Replies
5
Views
3K
Mar 17, 2019
Sparky
Video: What are accessories worth in HP?
Mooseman
Apr 6, 2020
Replies
4
Views
3K
Apr 11, 2020
Chickenhawk
Turbocharging LS Motors in GM-GMC Trucks by Michael Kelley
mrrsm
Jun 4, 2023
Replies
2
Views
1K
Jun 5, 2023
mrrsm
An ACTUAL 4.2L to 5.3L Engine Swap Overview...
mrrsm
Friday at 2:43 PM
Replies
2
Views
98
Sunday at 3:59 PM
mrrsm
0
Cam swap question
02gtp
Feb 25, 2016
Replies
2
Views
2K
Feb 25, 2016
Mooseman
Vortec Performance Wiring Harness
mrrsm
Jan 11, 2016
Replies
0
Views
1K
Jan 11, 2016
mrrsm
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