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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
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Messages
17.3K
LLY Ficm
Jan 9, 2025
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
653
8.4K
Threads
653
Messages
8.4K
Rolling White
Tuesday at 10:40 PM
TheBac
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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s475 twins oil line kit
Blacksmokecowboy
May 24, 2015
Replies
4
Views
2K
May 26, 2015
joe@HSPDIESEL
T
lbz pushrods and other parts
Teamvi
May 26, 2015
Replies
1
Views
916
May 26, 2015
ripmf666
LLY:
Worried.. Coolant Question
ShredLordXx
May 17, 2015
2
Replies
34
Views
6K
May 25, 2015
Awenta
Big compounds
DMAX497
May 4, 2015
2
3
Replies
40
Views
7K
May 25, 2015
mike diesel
M
2014 cruze diesel fuel filter
matt78
May 11, 2015
Replies
3
Views
2K
May 24, 2015
matt78
M
B
LBZ:
No crank, everything dies
Bikey
May 23, 2015
Replies
4
Views
1K
May 24, 2015
Huffy67
LMM:
CP3 Knocking HELP!
TowU4Free
May 19, 2015
3
4
5
Replies
91
Views
9K
May 24, 2015
TowU4Free
B
DHD axle tube reamer?
Blackmax123
May 23, 2015
Replies
9
Views
2K
May 23, 2015
Blackmax123
B
S400 kit for a Topkick/Kodiak
meshanic
May 23, 2015
Replies
0
Views
1K
May 23, 2015
meshanic
N
Manifolds or just up pipes
NRA223
May 22, 2015
Replies
17
Views
6K
May 23, 2015
gamudslinger88
G
N
Lock up box
NRA223
May 20, 2015
Replies
18
Views
4K
May 22, 2015
Bonestock
Cat fuel filter mod
Duramax52513
May 19, 2015
2
Replies
33
Views
12K
May 22, 2015
LBZ
B
Lb7 fuel rate
Blown95svt
May 21, 2015
Replies
9
Views
4K
May 22, 2015
Blown95svt
B
bent rod symptoms
danzick
Mar 15, 2015
2
3
Replies
52
Views
15K
May 21, 2015
danzick
S
Broken Crankshaft Alt Fire Cam
S Phinney
May 16, 2015
7
8
9
Replies
170
Views
41K
May 21, 2015
nwpadmax
LML
Downpipe/EGR questions
thunder550
May 21, 2015
Replies
3
Views
4K
May 21, 2015
c20elephant
LB7:
Oil pressure sensor relocate
meeksn01
May 20, 2015
Replies
2
Views
1K
May 21, 2015
meeksn01
LB7:
Fprv issues with 3" y bridge
meeksn01
May 20, 2015
Replies
17
Views
3K
May 21, 2015
meeksn01
LB7:
Oil pressure sensor relocate
meeksn01
May 20, 2015
Replies
0
Views
1K
May 20, 2015
meeksn01
Reroute fuel line?
KevinD
May 5, 2015
2
Replies
31
Views
8K
May 20, 2015
07keo02
Larger fuel tank?
KevinD
May 20, 2015
Replies
5
Views
1K
May 20, 2015
KevinD
G
Rebuilt LB7 IHI Shaft Play?
GMCSLEHD
Mar 5, 2015
Replies
3
Views
2K
May 19, 2015
cwolfley
No start
LKN GUY 2008
May 19, 2015
Replies
2
Views
1K
May 19, 2015
LKN GUY 2008
LB7:
Truck is won't start
lb7gmc
May 19, 2015
Replies
0
Views
866
May 19, 2015
lb7gmc
R
LBZ:
Hard to Start P0087 Code
rowekmr
Apr 30, 2015
Replies
6
Views
2K
May 19, 2015
rowekmr
R
Evans waterless coolant
Chevy1925
May 18, 2015
2
Replies
22
Views
5K
May 19, 2015
duratothemax
G
HELP! Turdblow decisions, decisions, decisions. ......
gamudslinger88
May 12, 2015
2
Replies
26
Views
3K
May 19, 2015
gamudslinger88
G
S
LB7:
blue smoke
shark.h
May 3, 2015
Replies
4
Views
2K
May 18, 2015
shark.h
S
Fix my integrated tow control or replace with aftermarket?
Taylor-34
May 17, 2015
Replies
3
Views
2K
May 18, 2015
Taylor-34
bracket for s475 twins
Blacksmokecowboy
May 17, 2015
Replies
4
Views
2K
May 18, 2015
oldenburg199
O
T
knocking sound when running, still can't find the problem
Teamvi
May 14, 2015
Replies
14
Views
2K
May 18, 2015
ty_LBZ
S
Weird brake problem after tuning.
shotgunwilly1117
May 16, 2015
Replies
5
Views
1K
May 17, 2015
Huffy67
no ignition, flashing lights
NinjaMax
May 15, 2015
2
Replies
24
Views
4K
May 16, 2015
NinjaMax
Tricky boost leak
Moneywellspent
May 15, 2015
Replies
10
Views
2K
May 15, 2015
Harbin_22
D
Help 01 LB7 Wont go past 2000rpm
davycrockett3
Sep 26, 2014
Replies
14
Views
3K
May 14, 2015
davycrockett3
D
LLY:
Quick Question about Elevated Idle
ShredLordXx
May 13, 2015
Replies
5
Views
1K
May 14, 2015
ShredLordXx
Things to do while the bed is off?
1brokekid
May 1, 2015
Replies
15
Views
3K
May 14, 2015
1brokekid
LB7:
Diagnostic help
dirtydmax
May 10, 2015
2
Replies
35
Views
3K
May 13, 2015
dirtydmax
Is this the log of a dying CP3?
SSchmi5519
May 11, 2015
2
Replies
23
Views
2K
May 13, 2015
Chevy1925
Turbo vane position sensor
M.hulsey91
May 6, 2015
2
Replies
20
Views
5K
May 13, 2015
M.hulsey91
L
lbz wierd power surge, black smoke
lbzduramax20
Apr 28, 2015
Replies
7
Views
3K
May 12, 2015
lbzduramax20
L
Failed Injectors?
jbstephenson
May 12, 2015
Replies
1
Views
761
May 12, 2015
Brent@LDS
Vband vs t4
JDPlowboy
May 12, 2015
Replies
1
Views
1K
May 12, 2015
redws6rocket
HID issues
lucas6.6
Apr 23, 2015
Replies
10
Views
2K
May 12, 2015
tjwelchs
T
LLY:
Help me spot this leak
cstephens93
Mar 11, 2015
2
Replies
35
Views
9K
May 12, 2015
cstephens93
G
LBZ:
P0087 died and wont start
GrammRT9
May 2, 2015
Replies
16
Views
5K
May 12, 2015
GrammRT9
G
Driveline Clunk accelerating from near stop
stuckinthemud
May 11, 2015
Replies
3
Views
2K
May 12, 2015
stuckinthemud
T
desired fuel rail pressure vs actual fuel rail pressure
Teamvi
May 1, 2015
2
Replies
22
Views
14K
May 11, 2015
Verlon at ATP
V
M
LLY:
Only after rain
mechman3
May 8, 2015
Replies
5
Views
2K
May 11, 2015
mechman3
M
Headgasket job on buddy's lb7
Llyduckhunter
May 2, 2015
Replies
7
Views
2K
May 11, 2015
heavrolet98
H
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