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Duramax Hard Parts
Dmax Performance Parts and related discussions.
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Duramax 6.6 Technical
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LB7
New
2.2K
31.9K
Threads
2.2K
Messages
31.9K
Thumping noise coming from intake
Wednesday at 10:03 AM
2004LB7
LLY
New
1.3K
17.3K
Threads
1.3K
Messages
17.3K
LLY Ficm
Today at 8:29 AM
kidturbo
LBZ
New
1.2K
14.3K
Threads
1.2K
Messages
14.3K
Truck wont rev much past 2k rpm no codes
Jan 5, 2025
1FastBrick
LMM
New
767
11.2K
Threads
767
Messages
11.2K
PLEASE HELP!! 07.5 LMM No shift indicator, dome lights, power locks & windows, NO CRANK NO START
Dec 25, 2024
N2BRK
LML
New
654
8.4K
Threads
654
Messages
8.4K
Misfire at 1200rpm
Today at 11:06 AM
2004LB7
L5P
New
124
3.8K
Threads
124
Messages
3.8K
L5P will barely start, then die Please Help
Wednesday at 11:57 AM
Rdomeck
Transfer Case / Axles / Driveshafts Tech
New
294
3.5K
Threads
294
Messages
3.5K
No 4WD
Dec 29, 2024
TheBac
Van
18
312
Threads
18
Messages
312
M
LGH (detuned LML in a van) Engine Shuts off at full throttle
Nov 22, 2024
Mikey52
Part #'s
396
2.3K
Threads
396
Messages
2.3K
K
Crossmember part # or replacement
Aug 23, 2024
kodaweich18
Turbo Talk
"Nitrous is nice, but it's best to be Blown"
1.9K
43.7K
Threads
1.9K
Messages
43.7K
WWYD? Turbo time
Nov 27, 2024
malibu795
General Fuel System & Exhaust Questions
New
373
7.7K
Threads
373
Messages
7.7K
M
dual tank woes
Jan 9, 2025
Mikey52
Fluids and Maintenance
652
10.7K
Threads
652
Messages
10.7K
Starfire Fluid Built Trans
Sep 9, 2024
OleBlackyLBZ
The Pharmacy
Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Nitrous
Jun 5, 2022
Baking83
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LB7:
Oil vent
motoking_1990
Aug 3, 2014
2
Replies
20
Views
11K
Mar 15, 2015
motoking_1990
LLY:
No power on take off??
1953drtelco
Mar 11, 2015
Replies
8
Views
4K
Mar 15, 2015
1953drtelco
S
200k lly advice
shotgunwilly1117
Mar 13, 2015
2
Replies
30
Views
5K
Mar 14, 2015
Max Attitude
PPE green dual fueler belt
whitey
Mar 14, 2015
Replies
6
Views
1K
Mar 14, 2015
duramaxzak
Deleting power brakes
DPC
Mar 12, 2015
Replies
13
Views
3K
Mar 14, 2015
DPC
LML
Dpf
swaggerstick
Nov 16, 2014
Replies
7
Views
3K
Mar 14, 2015
Hoffie
H
D
Lly/lbz
DmaxDrew
Mar 13, 2015
Replies
13
Views
2K
Mar 14, 2015
NC-smokinlmm
LLY:
4x4 guru's needed please.
BigDMax05
Mar 3, 2015
Replies
6
Views
2K
Mar 13, 2015
BigDMax05
Electronic transfer case
BSdiesel472
Mar 12, 2015
Replies
14
Views
2K
Mar 12, 2015
D-MaxMike
Tranny tune to dyno?
SHOTZY
Mar 12, 2015
Replies
2
Views
866
Mar 12, 2015
catman3126
B
LBZ:
Will Not Turn OFF
bmc1025
Mar 12, 2015
Replies
5
Views
3K
Mar 12, 2015
bmc1025
B
Help here please!!!!!!!!!!!!
Robby Avery
Mar 11, 2015
Replies
5
Views
1K
Mar 12, 2015
Robby Avery
General longevity? 263k miles and climbing
1brokekid
Mar 11, 2015
Replies
15
Views
8K
Mar 11, 2015
1brokekid
Block cam and crank codes?
x MadMAX DIESEL
Mar 10, 2015
Replies
6
Views
1K
Mar 11, 2015
x MadMAX DIESEL
2009 LMM DPF Issues
ACiFiC
Mar 9, 2015
Replies
4
Views
2K
Mar 11, 2015
ACiFiC
LBZ:
Rail fitting
whitey
Mar 10, 2015
Replies
6
Views
2K
Mar 11, 2015
c20elephant
lly wheels in lmm turbo
DevilIsWhite
Mar 10, 2015
Replies
16
Views
4K
Mar 11, 2015
DevilIsWhite
LBZ:
No start/No crank
LBZ-DURAMAX
Mar 10, 2015
Replies
5
Views
2K
Mar 11, 2015
ty_LBZ
Info:
Gt4718
Gmclbz
Mar 7, 2015
Replies
7
Views
2K
Mar 11, 2015
Gmclbz
F
need help gettin a low pressure @ iddle code on my lb7 dmax
fjperales
Mar 11, 2015
Replies
1
Views
774
Mar 11, 2015
Tothemax
95mm+ turbo
BSdiesel472
Mar 9, 2015
Replies
4
Views
1K
Mar 10, 2015
BSdiesel472
LML
Rough running smoking at idle.
snowman
Feb 17, 2015
Replies
7
Views
5K
Mar 10, 2015
snowman
B
Straight pipe or muffler???
Bkap725
Mar 9, 2015
2
Replies
20
Views
9K
Mar 10, 2015
Dallas S
D
Symptoms of water in fuel ?????
LarryJewell
Dec 15, 2011
Replies
10
Views
33K
Mar 10, 2015
kodywillkomm
K
Lb7 injector nightmare
duallydmax06
Mar 6, 2015
Replies
12
Views
2K
Mar 9, 2015
duallydmax06
T
lly using lb7 bottom end ?
tnduramax05
Mar 4, 2015
Replies
6
Views
2K
Mar 9, 2015
tnduramax05
T
Borg s488
mike diesel
Mar 6, 2015
Replies
16
Views
5K
Mar 9, 2015
Noreaster
L
One Big Headache
Littleboots
Mar 6, 2015
Replies
1
Views
1K
Mar 9, 2015
MACKIN
I did a compression test on my LMM today
DuramaxPowered
Jan 15, 2012
Replies
2
Views
3K
Mar 9, 2015
Teamvi
T
B
2005 6.6 duramax mod help
Bkap725
Mar 8, 2015
Replies
0
Views
891
Mar 8, 2015
Bkap725
B
O
Billet flywheel housing?
OneSourceDiesel
Mar 8, 2015
Replies
3
Views
1K
Mar 8, 2015
boominator
Promise i'm not a liar
Lance LB7
Mar 2, 2015
2
3
Replies
57
Views
8K
Mar 7, 2015
Awenta
LB7:
Injector cup
Lb7joezay
Mar 7, 2015
Replies
4
Views
1K
Mar 7, 2015
baddaddition
LMM:
Cold start oddity
N2BRK
Mar 7, 2015
Replies
2
Views
1K
Mar 7, 2015
ty_LBZ
LB7:
Deleting the glow plug controller
duramaxzak
Mar 7, 2015
Replies
4
Views
2K
Mar 7, 2015
duramaxzak
LBZ:
Head gaskets
c5fourj
Mar 2, 2015
Replies
1
Views
944
Mar 6, 2015
c5fourj
LMM air intake on my LLY?
Max Attitude
Nov 10, 2013
Replies
13
Views
3K
Mar 6, 2015
cstephens93
Another Lb7 to LLY question
Yngdmax92
Dec 17, 2014
Replies
17
Views
3K
Mar 6, 2015
07keo02
D
Boost valve code
DmaxDrew
Mar 5, 2015
Replies
4
Views
910
Mar 5, 2015
THEFERMANATOR
LB7:
Electric fans
KevinD
Mar 3, 2015
2
Replies
23
Views
6K
Mar 5, 2015
KevinD
LLY:
Axle/Locker help
dirtymax36
Mar 5, 2015
Replies
2
Views
1K
Mar 5, 2015
duramaxzak
0
G80 locking rear diff question
07Lbz_
May 17, 2014
Replies
7
Views
3K
Mar 5, 2015
dirtymax36
Valley turbo
blue09dmaxx
Feb 22, 2015
Replies
12
Views
3K
Mar 4, 2015
CapitalD
Cleaning injectors
LWATSON
Mar 4, 2015
Replies
5
Views
2K
Mar 4, 2015
Brent@LDS
LMM:
Pick a turbo for my truck.
WolfLMM
Mar 4, 2015
2
Replies
31
Views
3K
Mar 4, 2015
Rancelot211
C
LMM Intake on LLY?
colinstephens93
Mar 4, 2015
Replies
3
Views
1K
Mar 4, 2015
cstephens93
A
late 2004 to 2006 LLY engine swap.
Andersed
Mar 4, 2015
Replies
6
Views
2K
Mar 4, 2015
duratothemax
B
lly cuts out in higher gears, turbo makes weird noise help
boosted4life
Feb 19, 2015
Replies
5
Views
1K
Mar 4, 2015
TROJAN366
Turbonetics turbo quality
mike diesel
Mar 3, 2015
Replies
14
Views
4K
Mar 4, 2015
blue09dmaxx
Fuel pickup
02greysixer
Feb 26, 2015
Replies
12
Views
2K
Mar 4, 2015
schulte
S
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Duramax 6.6 Technical
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