Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
39K
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2.5K
Posts
39K
Aroc
PO442
  • Aroc

Drivetrain New

1.1K
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JayArr
2005 Envoy Transmission connector Pinout?

Vortec 5.3L V8

394
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394
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0
Runs rough couple miles after starting

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
DJones
Amsoil and Mobil1 Oil Analysis
Replies
7
Views
2K
DJones
DJones
S
Very odd Transmission issue!
Replies
3
Views
1K
HARDTRAILZ
HARDTRAILZ
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Fan clutch and coolant temp sensor
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5
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1K
djthumper
djthumper
DenaliHD66
Troubleshooting the NVG 226 transfer case.
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2
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3K
DenaliHD66
DenaliHD66
Boricua SS
Year long battle is finally over...
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28
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Boricua SS
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jrSS
Common fluids table for gmt360
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0
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769
jrSS
jrSS
DenaliHD66
Oil change question:
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10
Views
1K
djthumper
djthumper
Ghost
Gas caps ext and.non ext
Replies
3
Views
769
seanpooh
seanpooh
Canary2323
Odometer discrepancy on carfax
Replies
1
Views
846
jonbo2002
J
anthonyl79
Engine wont turn off
Replies
2
Views
891
anthonyl79
anthonyl79
J
Where is neutral?
Replies
10
Views
2K
Irishboy02
Irishboy02
A
New Engine
Replies
2
Views
1K
Tiggerr
Tiggerr
Billdaman
I6 Sputter, Surge, Hesitation, Loss of power, fixed by replace Manifold Oxygen Sensor
Replies
8
Views
2K
C-ya
C-ya
jason43080
Broken Coil Pack Bolt...
Replies
11
Views
13K
triz
triz
ScottS
Is this ignition switch??
Replies
5
Views
1K
MAY03LT
MAY03LT
DenaliHD66
TICKING from UNDER the engine?
Replies
3
Views
986
Black LT
Black LT
R
2002 Envoy with rough idle - very strange
Replies
8
Views
2K
The_Roadie
The_Roadie
K
Replaced thermostat now having AC problems
Replies
13
Views
1K
MAY03LT
MAY03LT
Canary2323
what tune should I get?
Replies
8
Views
1K
dmanns67
dmanns67
B
How much does your temp gauge vary in hot weather?
Replies
20
Views
2K
CaptainXL
C
D
cold air intake
Replies
37
Views
3K
Grimor
Grimor
R
I am having problems after slowing at light
Replies
6
Views
1K
JCOLEMAN45177
J
F
Phantom switches from 2 wheel drive to 4 wheel drive
Replies
6
Views
820
The_Roadie
The_Roadie
M
Junkyard/Used Engines in Michigan
Replies
8
Views
1K
MDBT
M
R
Spark plug change and maintenance
Replies
6
Views
1K
imotto
I
B
Leaking radiator.
Replies
5
Views
1K
bugeyed
B
A
2003 Chevy Trailblazer
Replies
2
Views
856
Sir ffeJ
Sir ffeJ
I
Trailblazer SS Rear into Non-SS Questions
Replies
0
Views
2K
impynyc
I
Ryda55555
Air box intake (viking horn looking thing)
Replies
10
Views
2K
blazinlow89
blazinlow89
am-radio
Help Needed with removing transmission pan
Replies
5
Views
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CaptainXL
C
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