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'99 - '06 GM Truck Modifications
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Engine & Performance
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Engines, Engine mods, Chips, Filters, etc.
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Title
Zerex vs. DexCool
Cmcolfax
Aug 2, 2017
Replies
3
Views
4K
Jan 3, 2019
Cmcolfax
Which is correct spark plug? 2006 5.3
Cmcolfax
Jul 23, 2016
Replies
10
Views
8K
Feb 3, 2022
Shaggy
W
Which dbw throttle body can i use
Wrestler171
Aug 21, 2014
Replies
1
Views
2K
Aug 21, 2014
2003tahoe
R
Vortec 8.1 Mods
RoughRiderZ71
Mar 9, 2015
Replies
0
Views
3K
Mar 9, 2015
RoughRiderZ71
R
Vette servo question
2003tahoe
May 15, 2014
Replies
5
Views
3K
May 17, 2014
2003tahoe
True dualing 99-06 5.3L 4x4
Bonecollector
Jun 10, 2014
Replies
11
Views
7K
Jun 8, 2015
okiemudslinger
Truck won't let me turn the key...
Bonecollector
Sep 15, 2014
Replies
12
Views
4K
Sep 24, 2014
silverado13
Truck running lean
burgundybeast04
May 8, 2014
Replies
3
Views
3K
May 8, 2014
burgundybeast04
Throttle response
Kkirwan71
May 19, 2015
2
3
Replies
51
Views
19K
Dec 15, 2015
Redbeard
R
S
TBSS swap onto LS1
SnipaXKiller747
May 17, 2021
Replies
0
Views
671
May 17, 2021
SnipaXKiller747
S
R
Supercharger for the 8.1
RoughRiderZ71
Oct 15, 2016
Replies
0
Views
3K
Oct 15, 2016
RoughRiderZ71
R
Starter stays cranking!!
HD2500
Dec 20, 2014
Replies
4
Views
3K
Dec 21, 2014
HD2500
S
Starter aand battery died..
stlrboo
Mar 1, 2017
Replies
1
Views
3K
Mar 3, 2017
RoughRiderZ71
R
Revamping tired exhaust
Bonecollector
May 1, 2014
Replies
13
Views
7K
May 4, 2014
silverado13
T
Reduced Engine Power
TahoeGuy
Jul 18, 2014
Replies
7
Views
4K
Aug 1, 2014
silverado13
performance information
silverado13
May 10, 2014
Replies
5
Views
3K
Jul 5, 2014
silverado13
N
P0499 issues
noncomittal_name
Jul 29, 2022
Replies
0
Views
881
Jul 29, 2022
noncomittal_name
N
S
p0440 code after fuel pump replacement
sambronko
Apr 30, 2014
Replies
3
Views
5K
May 1, 2014
ls3denali
G
P0332 Knock Sensor 2 Circuit low voltage
Grant1109
Feb 10, 2022
Replies
0
Views
597
Feb 10, 2022
Grant1109
G
L
P0300 still
Lusty
Nov 9, 2019
Replies
1
Views
1K
Apr 6, 2022
Zombee
Z
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