Search
Everywhere
Threads
This forum
Search titles only
By:
Everywhere
Threads
This forum
Search titles only
By:
Home
How To
Tech
Forums
New posts
Search forums
What's new
New posts
New profile posts
Latest activity
New showcase items
New showcase comments
Members
Current visitors
New profile posts
Search profile posts
Showcase
New items
New comments
Latest reviews
Search showcase
Tools
ET Calculator
Forums
Log in
Register
Search
Everywhere
Threads
This forum
Search titles only
By:
Everywhere
Threads
This forum
Search titles only
By:
New posts
Search forums
Menu
Install the app
Install
Duramax Hard Parts
Dmax Performance Parts and related discussions.
Forums
Duramax 6.6 Technical
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
LB7
New
2.2K
31.6K
Threads
2.2K
Messages
31.6K
Head gasket build
Wednesday at 2:51 PM
2004LB7
LLY
New
1.3K
17K
Threads
1.3K
Messages
17K
E
LLY overheating when idle
Today at 3:26 AM
ejr12d
LBZ
New
1.1K
14.1K
Threads
1.1K
Messages
14.1K
LBZ Fan Clutch
Apr 18, 2024
DAVe3283
LMM
749
11.1K
Threads
749
Messages
11.1K
Truck dies at random, no codes
Jan 21, 2024
BLACKMAX1
LML
New
626
8K
Threads
626
Messages
8K
P01F0
Sunday at 11:36 AM
the MISTRIS
L5P
New
108
3.4K
Threads
108
Messages
3.4K
O
glow plugs
Mar 31, 2024
oldwhitehorse
Transfer Case / Axles / Driveshafts Tech
New
287
3.4K
Threads
287
Messages
3.4K
J
2003 duramax 2500 HD 4 wheel drive Strange noise
Apr 3, 2024
Jaysbay
Van
17
310
Threads
17
Messages
310
D
Custom Van Air Intake
Apr 18, 2023
DieselMike70
Part #'s
395
2.2K
Threads
395
Messages
2.2K
2007 LMM Front Diff Fill Plug P/N
Aug 16, 2023
1FastBrick
Turbo Talk
New
"Nitrous is nice, but it's best to be Blown"
1.9K
43.6K
Threads
1.9K
Messages
43.6K
Catastrophic turbo failure - 72mm Danville performance- Now what?
Today at 6:01 AM
NC-smokinlmm
General Fuel System & Exhaust Questions
363
7.6K
Threads
363
Messages
7.6K
Fleece Performance 2004.5-2007 Duramax PowerFlo In-tank Lift Pump?
Feb 27, 2024
malibu795
Fluids and Maintenance
New
651
10.7K
Threads
651
Messages
10.7K
Got Sludge?
Yesterday at 2:25 AM
DAVe3283
The Pharmacy
Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Nitrous
Jun 5, 2022
Baking83
1
2
3
…
Go to page
Go
271
Next
1 of 271
Go to page
Go
Next
Last
Filters
Show only:
Loading…
Sticky threads
M
Sticky
LLY Ficm
mplecha
Sep 3, 2022
41
42
43
Replies
847
Views
23K
Mar 21, 2024
Stroked06Goat
Sticky
Fluid Capacities Sticky
paint94979
Nov 1, 2008
2
3
Replies
49
Views
43K
Jan 17, 2024
Chevy1925
Locked
Sticky
2020 oil cooler part numbers
JoshH
Jun 1, 2020
Replies
2
Views
403
Oct 18, 2022
Chevy1925
Sticky
Attention LML owners...
chevyburnout1
Jun 11, 2013
2
3
Replies
47
Views
24K
Jun 16, 2020
LBZ
Sticky
G80 locker spring mod
chevyburnout1
Mar 7, 2019
2
3
Replies
48
Views
12K
Apr 9, 2020
Yngdmax92
Sticky
LB7:
BPU's for the LB7
JOHNBOY
Dec 20, 2008
2
3
4
Replies
64
Views
82K
Nov 26, 2018
DAVe3283
Sticky
The $20 LB7 Injector Cup Tool
bullfrogjohnson
Apr 28, 2011
2
3
Replies
40
Views
63K
Feb 22, 2018
rickcdewitt
R
Sticky
Info:
Duramax Valve Lash Tutorial.
McRat
Apr 20, 2009
2
Replies
31
Views
71K
Oct 29, 2017
BOBBYDIESEL 14
Sticky
Nozzles change manual
mde
May 17, 2008
Replies
3
Views
8K
Sep 13, 2017
Frogman1
Sticky
LMM:
BPUs for the LMM
TheBac
Mar 28, 2017
Replies
12
Views
4K
Apr 21, 2017
Bulldogr6
Sticky
LML
BPUs for the LML
TheBac
Mar 28, 2017
Replies
2
Views
8K
Apr 17, 2017
AZlml
Sticky
LBZ:
BPUs for the LBZ
TheBac
Mar 28, 2017
Replies
1
Views
8K
Mar 28, 2017
Ne-max
Sticky
Which Turbocharger is right for me?
McRat
May 17, 2007
5
6
7
Replies
124
Views
92K
Nov 5, 2016
wilrob
Sticky
LLY:
BPU List for LLY's
McRat
Dec 3, 2008
2
Replies
23
Views
55K
Sep 17, 2014
Black HD
B
Sticky
Emergency Relearn on ECM works on LBZ
Kat
Nov 15, 2007
2
Replies
23
Views
70K
Jun 24, 2014
nova88
N
Sticky
ABS problems with tires over 34"
McRat
Aug 6, 2006
2
3
Replies
42
Views
55K
Dec 10, 2013
LBZrcks
L
Sticky
Poll
Info:
Injectors poll
TrentNell
Sep 11, 2009
2
3
4
Replies
73
Views
58K
Aug 27, 2012
TonOfDalt
T
Sticky
Info:
Glossary of Terms:
McRat
Nov 19, 2008
Replies
14
Views
20K
Aug 7, 2010
ferramento
F
Sticky
Info:
Intake Tubing
McRat
Jun 15, 2009
Replies
9
Views
17K
Jun 15, 2009
Rhall
Normal threads
P
Catastrophic turbo failure - 72mm Danville performance- Now what?
Papapark
Apr 19, 2024
Replies
16
Views
362
Today at 6:01 AM
NC-smokinlmm
E
LLY overheating when idle
ejr12d
Yesterday at 2:17 AM
Replies
2
Views
46
Today at 3:26 AM
ejr12d
E
R
Got Sludge?
Ron Nielson
Mar 30, 2024
2
3
Replies
48
Views
836
Yesterday at 2:25 AM
DAVe3283
L
Head gasket build
lb7resto
Jul 19, 2023
2
Replies
37
Views
1K
Wednesday at 2:51 PM
2004LB7
LBZ:
Spoologic up pipes and down pipes quality?
Dozerboy
Tuesday at 9:52 PM
Replies
2
Views
86
Wednesday at 1:57 PM
JoshH
Turbo Vane Position code, do I get a new turbo system?
fajitatone
Apr 17, 2024
Replies
4
Views
144
Monday at 9:40 PM
Chevy1925
P01F0
the MISTRIS
Apr 19, 2024
Replies
6
Views
105
Sunday at 11:36 AM
the MISTRIS
LML service bulletin
2004LB7
Mar 31, 2024
Replies
18
Views
259
Saturday at 12:14 PM
2004LB7
Failed visual test
JAG91761
Apr 18, 2024
Replies
14
Views
201
Apr 19, 2024
Lennydmaxguy
J
LBZ Fan Clutch
johnmyster
Mar 8, 2024
2
Replies
39
Views
679
Apr 18, 2024
DAVe3283
T
SAC injector whine?
turbo_bu
Apr 3, 2024
Replies
2
Views
124
Apr 10, 2024
DAVe3283
J
2003 duramax 2500 HD 4 wheel drive Strange noise
Jaysbay
Mar 28, 2024
Replies
16
Views
177
Apr 3, 2024
Jaysbay
J
R
S400
RedChevy2005
Mar 30, 2024
Replies
3
Views
153
Apr 2, 2024
Bdsankey
O
glow plugs
oldwhitehorse
Mar 31, 2024
Replies
2
Views
91
Mar 31, 2024
oldwhitehorse
O
No start issue.
DIESELMAFIAPER.LB7
Feb 8, 2024
2
Replies
25
Views
393
Mar 30, 2024
Chevy1925
R
Selecting the correct head gaskets?
RPEVEHOUSE
Mar 27, 2024
Replies
8
Views
132
Mar 28, 2024
RPEVEHOUSE
R
R
Wastegates
RedChevy2005
Mar 24, 2024
Replies
6
Views
162
Mar 27, 2024
RedChevy2005
R
M
04 zf6 fuel knock
mamumtsllc
Jul 11, 2023
Replies
6
Views
261
Mar 26, 2024
2004LB7
T
Normal FPR duty cycle?
Trgglynn
Mar 23, 2024
Replies
14
Views
204
Mar 26, 2024
JoshH
0
Code readers for 2024 L5P
08lmm72mm
Mar 21, 2024
Replies
16
Views
261
Mar 26, 2024
NC-smokinlmm
2024 Duramax issues?
NC-smokinlmm
Jul 23, 2023
3
4
5
Replies
81
Views
8K
Mar 24, 2024
Chevy1925
Service Brake System message
shakenfake
Jan 12, 2024
3
4
5
Replies
96
Views
1K
Mar 22, 2024
shakenfake
T
2018 L5P Engine Miss
ToshService
Mar 21, 2024
Replies
9
Views
200
Mar 22, 2024
Ron Nielson
R
N
Passing "Smog"
N2BRK
Mar 7, 2024
Replies
18
Views
398
Mar 22, 2024
DAVe3283
R
Turbo sizing trouble
RedChevy2005
Mar 14, 2024
Replies
9
Views
217
Mar 19, 2024
Bdsankey
M
Looking for help in right direction.
Michaelmcp96
Mar 18, 2024
Replies
6
Views
120
Mar 18, 2024
2004LB7
Ever heard of Boostline rods before?
TheBac
Mar 16, 2024
Replies
15
Views
262
Mar 18, 2024
Bdsankey
T
Fuel injector knock
Trgglynn
Jan 27, 2024
3
4
5
Replies
90
Views
1K
Mar 18, 2024
2004LB7
T
Good compression - Bad balance rate
Trgglynn
Mar 8, 2024
Replies
13
Views
189
Mar 17, 2024
Trgglynn
T
A
Question on harmonic balancer bolt
ah1008
Mar 16, 2024
Replies
13
Views
150
Mar 16, 2024
TheBac
Intercooler boot o-ring
shakenfake
Mar 4, 2024
Replies
4
Views
135
Mar 9, 2024
shakenfake
N
Valley Charger
N2BRK
Mar 4, 2024
Replies
19
Views
395
Mar 8, 2024
Bdsankey
R
Need some guidance
rrh13441
Mar 3, 2024
Replies
5
Views
140
Mar 4, 2024
jlawles2
J
F
P0090 2007 LBZ. Won't clear even when engine not running.
Fmt2bx
Feb 28, 2024
Replies
4
Views
145
Mar 1, 2024
Fmt2bx
F
K
LML
falling on its face, losing all power at around 22-2300 rpm,
kvw4x4
Aug 15, 2017
Replies
13
Views
4K
Feb 28, 2024
nate2112
R
White smoke on start
rrh13441
Feb 27, 2024
Replies
3
Views
110
Feb 27, 2024
NC-smokinlmm
Fleece Performance 2004.5-2007 Duramax PowerFlo In-tank Lift Pump?
1FastBrick
Nov 21, 2019
2
3
Replies
48
Views
6K
Feb 27, 2024
malibu795
L
LBZ Coolant leak dripping on front driveshaft
LBZ_tom
Feb 12, 2019
Replies
14
Views
5K
Feb 26, 2024
mr450kawman
M
Going compounds on lml few questions
Josh154
Dec 27, 2020
3
4
5
Replies
96
Views
10K
Feb 25, 2024
Josh154
LML Bogging Around 2300-2500 RPMS
nate2112
Feb 23, 2024
Replies
6
Views
111
Feb 23, 2024
nate2112
B
Increasing Rail Pressure to Control Idle Haze
blueshift
Jan 29, 2024
Replies
12
Views
312
Feb 23, 2024
blueshift
B
Airdog 2 replacement motor
Schwinn68
Nov 24, 2015
Replies
16
Views
11K
Feb 21, 2024
Chevy1925
D
L5P Fass Drop In Filter Set Up
dmax_ty
Feb 16, 2024
Replies
3
Views
131
Feb 20, 2024
dmax_ty
D
K
reinstalling front diff into-LBZ frame
karolko
Feb 18, 2024
Replies
4
Views
136
Feb 19, 2024
karolko
K
D
What's up with all these codes? 2006 LBZ
DaninMN
Feb 16, 2024
Replies
3
Views
130
Feb 17, 2024
Ron Nielson
R
Oil leaking out of the tail pipe
Dm23
Feb 14, 2024
Replies
14
Views
250
Feb 15, 2024
Dm23
I
Rail Pressure...P1093...
inkjunkie
Feb 14, 2024
Replies
1
Views
83
Feb 14, 2024
Ron Nielson
R
A
LBZ Passenger side return line popping off
Acela
Feb 14, 2024
Replies
0
Views
95
Feb 14, 2024
Acela
A
S
U0101 issues
Sethdavis09
Feb 8, 2024
Replies
2
Views
114
Feb 13, 2024
Chevy2005
C
Cracked piston
nojokat
Jan 16, 2024
Replies
11
Views
403
Feb 13, 2024
Chevy2005
C
1
2
3
…
Go to page
Go
271
Next
1 of 271
Go to page
Go
Next
Last
You must log in or register to post here.
Forums
Duramax 6.6 Technical
Top
Bottom