Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.9K
Threads
2.5K
Posts
38.9K
S
PO442

Drivetrain New

1.1K
13.3K
Threads
1.1K
Posts
13.3K
JayArr
Re-using Torque converters

Vortec 5.3L V8 New

394
5.2K
Threads
394
Posts
5.2K
mrrsm
Runs rough couple miles after starting

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
C
Tracking misfires -Torque Pro
Replies
7
Views
8K
Kelly@PCMofNC
Kelly@PCMofNC
K
torque specs for thermostat bolts
Replies
4
Views
13K
kctrailblazer
K
R
Torque on intake gasket 2007 Blazer 3.4 litter
Replies
2
Views
476
Mooseman
Mooseman
jmonica
Torque converter to flexplate position relationship?
Replies
8
Views
11K
mrrsm
mrrsm
pjrocco
Torque converter issue, maybe?
Replies
31
Views
5K
Mooseman
Mooseman
B
torque converter bolts
Replies
11
Views
2K
Babas11911
B
S
torque app?
Replies
13
Views
1K
Texan
Texan
C-ya
Torque App
Replies
9
Views
9K
C-ya
C-ya
JayArr
Top Two/Three Bell Housing bolts
Replies
3
Views
1K
Mooseman
Mooseman
0
Tin can type noise
Replies
4
Views
792
06denaliman
0
Mark20
Timing indicator
Replies
0
Views
992
Mark20
Mark20
C
Time to lube some stuff...
Replies
0
Views
787
CaptainXL
C
A
Time for performance
Replies
45
Views
4K
sevendj
S
A
Time for a new truck - need advise
Replies
27
Views
2K
dmanns67
dmanns67
DenaliHD66
TICKING from UNDER the engine?
Replies
3
Views
973
Black LT
Black LT
B
Thumping while turning and braking
Replies
3
Views
924
CaptainXL
C
jpinoy
thump sound/ jolt after stopping
Replies
10
Views
2K
jpinoy
jpinoy
P
Throttle Position %?
Replies
27
Views
2K
PLAT515
P
WeaponX
Throttle body or positioning sensor?
Replies
77
Views
6K
WeaponX
WeaponX
K
Throttle Body cleaning and Seafoaming
Replies
0
Views
958
kjkim93
K
dla442
Throttle body and high idle that takes time to get normal
Replies
4
Views
817
dla442
dla442
R
Thoughts on Lucas transmission stop slip?
Replies
10
Views
21K
DocBrown
DocBrown
6716
Thoughts about the 2022 2.7L turbo + 8-speed transmission Silverado?
Replies
10
Views
6K
Mike534x
Mike534x
shovenose
This is a weird one... engine or transfer case issue 02 envoy 4.2 ~200k
Replies
6
Views
957
shovenose
shovenose
J
Thinking of DIY'ing an Efan kit, am I missing anything?
Replies
3
Views
1K
JimHTP
J
03luvvoy
Thinkin about doing a repair
Replies
7
Views
1K
JCJARHEAD
J
W
Thermostat Preventative/Proactive Replacement
Replies
13
Views
609
wormwood1978
W
Daniel644
The Ultimate "while your in there" overhaul
Replies
9
Views
588
Mooseman
Mooseman
E
  • Locked
The Terrible Horrible No-Good Misbehaving Envoy Idle
Replies
8
Views
2K
Envoyable
E
blazinlow89
The saga of the T-stat (and other stories)
Replies
4
Views
1K
TollKeeper
TollKeeper
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