Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.6K
39.8K
Threads
2.6K
Posts
39.8K
Mooseman
2003 Chevy Trailblazer- Will Not Start

Drivetrain New

1.1K
13.7K
Threads
1.1K
Posts
13.7K
movietvet
SERVICE 4WD is on after dead battery

Vortec 5.3L V8 New

416
5.5K
Threads
416
Posts
5.5K
A
Went back to the dyno after cam swap and it LOST POWER

LS2 6.0L V8

41
848
Threads
41
Posts
848
Mike534x
Compatible blocks
ghost_leader07
About ACDelco Spark Plugs off eBay (Genuine or counterfeit?)
Replies
3
Views
103
Mooseman
Mooseman
Sqrly
Does it have to learn to idle?
Replies
227
Views
20K
Sqrly
Sqrly
K
Long term fuel trim at 24.2%
Replies
15
Views
603
Mooseman
Mooseman
J
Transmission has reverse but no forward gears
Replies
2
Views
1K
Joseph223
J
K
NEED HELP 5.3 vortec long crank
Replies
61
Views
8K
RedEnvoyDenali
RedEnvoyDenali
S
starter repair
Replies
1
Views
1K
Mooseman
Mooseman
T
Rear diff bolts seized
Replies
6
Views
1K
Zaab
Zaab
Zaab
Normal Oil Temperature for 5.3
Replies
2
Views
1K
Zaab
Zaab
fechnerj
Chasing a 4WD problem
Replies
47
Views
4K
TJBaker57
TJBaker57
S
Bad starter?
Replies
15
Views
2K
flyboy2610
flyboy2610
C
When does piston slap become a problem?
Replies
8
Views
2K
c good
C
P
ELM327 to Hexidecimal
Replies
6
Views
2K
Mooseman
Mooseman
C
O2 sensor replacement
Replies
8
Views
4K
Mooseman
Mooseman
ghost_leader07
NEED HELP P0171 on my 04 Trailblazer LT won't go away
Replies
118
Views
17K
mrrsm
mrrsm
Sqrly
Another A4WD question - (hard engagment)
Replies
4
Views
1K
Mooseman
Mooseman
C
17.7 mpg....about right?
Replies
3
Views
1K
Mooseman
Mooseman
F
P1681 TPS error code
Replies
9
Views
12K
Mooseman
Mooseman
K
99 4l60e jerking only in lockup
Replies
2
Views
1K
Mathoran
Mathoran
T
Transmission sensor?
Replies
5
Views
1K
budwich
B
T
Thudding noise in rearend Envoy
Replies
2
Views
1K
Mooseman
Mooseman
C
Intake manifold blank port/ nipple. What is it for?
Replies
4
Views
2K
azswiss
azswiss
C
Worth keeping a spare exhaust manifold?
Replies
5
Views
2K
Mooseman
Mooseman
Ilikemy3s
Bound to happen sooner or later
Replies
12
Views
3K
Redbeard
R
C-ya
How to remove the rear gas tank strap
Replies
10
Views
7K
Mooseman
Mooseman
C
Motor Mounts. If they're not leaking, any reason to replace them?
Replies
2
Views
2K
mrrsm
mrrsm
C
I have a 2002 Envoy. Replacement Engine options are 02-05 correct?
Replies
1
Views
1K
Mooseman
Mooseman
C
How often do you change AC Delco 41-103 plugs?
Replies
2
Views
2K
Mooseman
Mooseman
C
Is the Dorman electronic fan clutch decent?
Replies
1
Views
1K
Mooseman
Mooseman
C
Do all of our 4.2 I-6 rides have the hole through the oil pan?
Replies
2
Views
1K
Mooseman
Mooseman
C
Coolant Gurgle coming from recovery bottle.
Replies
7
Views
2K
c good
C
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