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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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S
Mating lq4 to 4l80e
Stevee5039
Jul 17, 2022
Replies
1
Views
1K
Jul 18, 2022
stutaeng
S
A
Methanol/water systems
Auegl
Jun 4, 2014
Replies
1
Views
2K
Jul 3, 2014
Mrhorsepowerlsx
M
A
Missing Fuel Pressure Regulator
Aleczander
Nov 16, 2021
Replies
0
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599
Nov 16, 2021
Aleczander
A
Mysterious stalling no codes. But sometimes codes
TJ.
Sep 26, 2020
Replies
0
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798
Sep 26, 2020
TJ.
need help quick
silverado13
May 20, 2014
Replies
5
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3K
Jul 5, 2014
silverado13
R
New Fuel Tank
RoughRiderZ71
Apr 27, 2016
Replies
5
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5K
Feb 22, 2017
RoughRiderZ71
R
M
Newby 4.8 Towing Question
mcss1986
Feb 19, 2018
Replies
3
Views
2K
Mar 6, 2019
EfrainD
E
R
O2 sensors...
Rocfrog
Sep 12, 2015
Replies
7
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4K
Sep 15, 2015
burgundybeast04
P
Oil in the intake
PrplGld
Mar 6, 2022
Replies
0
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1K
Mar 6, 2022
PrplGld
P
P
P01 to P59 swap
Peter T
Dec 10, 2019
Replies
0
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2K
Dec 10, 2019
Peter T
P
L
P0300 still
Lusty
Nov 9, 2019
Replies
1
Views
1K
Apr 6, 2022
Zombee
Z
G
P0332 Knock Sensor 2 Circuit low voltage
Grant1109
Feb 10, 2022
Replies
0
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607
Feb 10, 2022
Grant1109
G
S
p0440 code after fuel pump replacement
sambronko
Apr 30, 2014
Replies
3
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5K
May 1, 2014
ls3denali
N
P0499 issues
noncomittal_name
Jul 29, 2022
Replies
0
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889
Jul 29, 2022
noncomittal_name
N
performance information
silverado13
May 10, 2014
Replies
5
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3K
Jul 5, 2014
silverado13
T
Reduced Engine Power
TahoeGuy
Jul 18, 2014
Replies
7
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4K
Aug 1, 2014
silverado13
Revamping tired exhaust
Bonecollector
May 1, 2014
Replies
13
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7K
May 4, 2014
silverado13
S
Starter aand battery died..
stlrboo
Mar 1, 2017
Replies
1
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3K
Mar 3, 2017
RoughRiderZ71
R
Starter stays cranking!!
HD2500
Dec 20, 2014
Replies
4
Views
3K
Dec 21, 2014
HD2500
R
Supercharger for the 8.1
RoughRiderZ71
Oct 15, 2016
Replies
0
Views
3K
Oct 15, 2016
RoughRiderZ71
R
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