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2002 - 2009 TrailBlazer/Envoy Tech
02-09 Vortec 5.3L V8 Engine and Drivetrain
Engine Tunes/Mods
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C
My TB build draft. Opinions welcome and appreciated
CoPats1994
Feb 28, 2019
4
1K
Nov 3, 2023
by
Ravalli Surfer
After putting a new 4.2 engine into my envoy .truck starter just makes sound like it's not spinning the flywheel.
terrancepryor09
Oct 20, 2023
1
154
Oct 20, 2023
by
Ravalli Surfer
Tune file needed
Tranzman
Jun 30, 2023
2
696
Oct 13, 2023
by
PistolWhip
S
LH6 -> LM7 in Beater '06 Envoy Denali
sumpanzer
Sep 7, 2023
0
530
Sep 7, 2023
by
sumpanzer
1
Oil Pressure Issue
102035
Aug 2, 2023
4
660
Aug 5, 2023
by
Ravalli Surfer
Low oil pressure / stop engine warning
Zippy216
Apr 23, 2012
2
33
82K
Jul 30, 2023
by
Ravalli Surfer
R
New AC delco Iridium Spark plug gap?
rachman4
Feb 18, 2009
20
122K
Jun 20, 2023
by
Schurkey
08 5.3 trailblazer best box tuner
ECYRB13
May 17, 2023
2
782
May 17, 2023
by
metalmike187
4.2L V6 Swap to 5.3L V8
Venomhatch
Aug 30, 2013
10
40K
May 3, 2023
by
Ravalli Surfer
Help issues with 5.3 2006 Trailblazer
nigelmusick
Apr 11, 2023
6
865
Apr 14, 2023
by
nigelmusick
Ported throttle body
Dirty 30
Aug 7, 2009
15
13K
Mar 27, 2023
by
ale.anz
Best 06 5.3 replacement
Envoy2win
Jan 27, 2023
8
1K
Mar 20, 2023
by
VoyBoy919
Tuner for 4.2L?
CHEVYMEX04
Aug 24, 2008
Locked
14
27K
Mar 2, 2023
by
pdcomm
2008 chevy trailblazer
jess88
Dec 7, 2022
2
373
Dec 9, 2022
by
jess88
4.2 to 5.3 Swap In Progress
2006Trail_LT
Mar 1, 2014
36
75K
Nov 15, 2022
by
Salcedo1319
S
Electric Fan Installation
Sweski
Mar 16, 2010
21
24K
Nov 15, 2022
by
williamsoa7791_3199
N
5.3 swap to colorado
nastynova62
May 17, 2010
8
14K
Oct 31, 2022
by
queerbrownvegan
T
VVT Mod to adjust exhaust timing
TBProject
May 2, 2022
3
680
May 4, 2022
by
Ravalli Surfer
G
programmers
goneboatin
May 1, 2022
0
528
May 1, 2022
by
goneboatin
R
Banks- Pedal Monster
racer14ts
Apr 16, 2022
2
796
Apr 16, 2022
by
Ravalli Surfer
P
O2 Sensor
Peaches_Sabrina
Jan 24, 2022
3
1K
Jan 25, 2022
by
Schurkey
B
The "Homemade TBSS"
btempyy
Jan 7, 2022
6
1K
Jan 8, 2022
by
btempyy
J
[SOLVED]
06 Envoy DENALI 5.3l v8 PO307
Jkb242
Mar 9, 2017
12
13K
Oct 28, 2021
by
Ravalli Surfer
G
Lh6 performance
GMCPARTS1
Dec 6, 2016
3
5K
Sep 30, 2021
by
Scooter172
D
05 Trail ext V8 5.3l upgrades
dalejrfan
Mar 9, 2006
2
44
37K
Aug 10, 2021
by
Wolf 999
B
engine oil cooler
Boyce01
Jun 25, 2021
0
1K
Jun 25, 2021
by
Boyce01
A
Starter Reliability / Change starter while Pulling a 5.3Lengine?
Ambient
Apr 14, 2021
0
423
Apr 14, 2021
by
Ambient
J
'06 Envoy Denali LH6 (5.3) to LQ4 Swap (6.0)
JCP0521
Apr 5, 2019
3
5K
Apr 6, 2021
by
MikesGM
K
Envoy V8 Turbo. Good idea?
Kobyh
Oct 13, 2020
1
2K
Feb 26, 2021
by
l008com
D
Governor
darkarchangel
Aug 16, 2007
8
9K
Oct 1, 2020
by
Ravalli Surfer
Ecu/tcu tune issues
Aaron3Jefferson
Aug 13, 2020
2
1K
Sep 7, 2020
by
EnvoyBoy2004
K
Cranks but won't start
Krr74
Oct 7, 2016
8
9K
Jul 16, 2020
by
WashedNScrewed
2004 GMC Envoy 5.3L : Timming Chain
AviatorLt1
Apr 6, 2020
1
786
Apr 30, 2020
by
Cheep
S
Changing Spark Plugs on 5.3 L engine
Selvig
May 25, 2009
2
42
58K
Apr 16, 2020
by
Jasonhaddix
Official Thread: CAN 5.3L SWB Scangauge Codes...
bartonmd
Jul 28, 2009
20
13K
Mar 31, 2020
by
Bhola Lal
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2002 - 2009 TrailBlazer/Envoy Tech
02-09 Vortec 5.3L V8 Engine and Drivetrain
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