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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
LB7 no start 250psi fuel
Friday at 2:28 PM
Chevy1925
LLY
New
1.3K
17.3K
Threads
1.3K
Messages
17.3K
LLY Ficm
Thursday at 6:24 PM
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
652
8.4K
Threads
652
Messages
8.4K
F
Got a couple of cylinder contribution codes
Wednesday at 9:38 PM
flyinwrenches
L5P
New
124
3.8K
Threads
124
Messages
3.8K
Oil prime
Yesterday at 2:03 PM
PureHybrid
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
Thursday at 4:42 PM
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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D
LBZ derate message/no CEL
Dirty230
Jun 27, 2017
Replies
6
Views
2K
Jul 25, 2017
JoshH
LLY:
Humming after deceleration?
cstephens93
Jul 23, 2017
Replies
4
Views
1K
Jul 24, 2017
cstephens93
2016 LML. Things I can do keeping Warranty?
Rudy1
Jul 23, 2017
Replies
1
Views
914
Jul 23, 2017
LML6600DMAX
L
S
2011 LML loose wire help
Semperfi303
Jul 23, 2017
Replies
1
Views
892
Jul 23, 2017
ikeG
S475 exhaust housing size
Balindir
Jul 21, 2017
Replies
12
Views
3K
Jul 21, 2017
Balindir
G
Adding a fuel pump and sump.
Gee8100
Jul 21, 2017
Replies
14
Views
2K
Jul 21, 2017
Muff
LB7:
LB7 injector?
Gello
Jul 1, 2017
Replies
7
Views
2K
Jul 21, 2017
astrnaughtwanabe
A
LB7:
03 lb7. Hard start no start
briencolgan
Jul 17, 2017
Replies
7
Views
3K
Jul 21, 2017
briencolgan
L
LBZ:
Engine/Fuel Limp Mode
LBZFireMan
Jul 12, 2017
Replies
9
Views
3K
Jul 21, 2017
LBZFireMan
L
A
LB7:
Turbo shot looking at options
Aces
Jul 20, 2017
Replies
9
Views
2K
Jul 20, 2017
zakkb787
Y
Lly with LBZ heads and injectors
YoungGunDiesel
Jul 19, 2017
Replies
13
Views
3K
Jul 20, 2017
YoungGunDiesel
Y
lb7 project
lowslowlb7
Jan 20, 2017
2
3
Replies
44
Views
7K
Jul 20, 2017
lowslowlb7
L
DEF ISSUE/DELETE Advice Needed
Ltsheets
Mar 28, 2017
2
Replies
27
Views
4K
Jul 20, 2017
Slowmax
D
P0108 code 09 LMM
dmax_ty
Jul 18, 2017
Replies
1
Views
1K
Jul 19, 2017
dmax_ty
D
LB7:
Belt Tensioner Pulley/Arm
RobsDmax
Jul 19, 2017
Replies
1
Views
974
Jul 19, 2017
aashton1206
A
T
LMM:
Turbo housing split
trailrider11
Jun 30, 2017
Replies
14
Views
4K
Jul 18, 2017
Kunz111
K
Allison 6sp:
Clocking transfer case
x MadMAX DIESEL
Jul 18, 2017
Replies
1
Views
1K
Jul 18, 2017
x MadMAX DIESEL
S&S CP3 Serial Number
coker6365
Jul 18, 2017
Replies
0
Views
956
Jul 18, 2017
coker6365
H
LLY:
Why use a RACE FUEL VALVE
Hahns069
Jun 5, 2017
2
3
Replies
43
Views
30K
Jul 18, 2017
Chevy1925
5
LLY:
Intermediate grinding noise
500hpduramally
Jul 18, 2017
Replies
3
Views
1K
Jul 18, 2017
Chevy1925
2
Quick question
2008lmmchopper
Jul 18, 2017
Replies
3
Views
1K
Jul 18, 2017
Awenta
J
Codes PO 0090/U1800
jojo
Jul 14, 2017
Replies
10
Views
2K
Jul 18, 2017
aashton1206
A
C
How to stop the Smoke
cardiac
Jun 12, 2017
3
4
5
Replies
88
Views
11K
Jul 18, 2017
cardiac
C
12mm Exergy ??
greendury
Feb 13, 2017
2
Replies
29
Views
5K
Jul 17, 2017
gmduramax
W/S. Stock appearing IHI boost numbers?
greendury
May 24, 2016
Replies
19
Views
4K
Jul 17, 2017
greendury
High Air Temp = FPRV Issues?
BoiseRob
Jul 17, 2017
Replies
1
Views
884
Jul 17, 2017
Chevy1925
LBZ:
Low boost no smoke no codes
big block
Jun 30, 2017
Replies
14
Views
6K
Jul 16, 2017
big block
A
LB7:
New turbo
aashton1206
Jul 15, 2017
Replies
1
Views
1K
Jul 15, 2017
Kbagg
K
S
Lly Edu problems
stonykill
Jul 15, 2017
Replies
2
Views
1K
Jul 15, 2017
stonykill
S
LML Injector Return Specs
Ne-max
Jun 26, 2017
Replies
3
Views
1K
Jul 15, 2017
Fredn3ck
F
J
LBZ:
Transfer case
jaxson92
Jul 14, 2017
Replies
4
Views
1K
Jul 14, 2017
WVRigrat05
Intercooler bushings
shark1
Jul 13, 2017
Replies
5
Views
1K
Jul 14, 2017
ikeG
B
EGT spikes please help
blazhead
Jul 12, 2017
Replies
7
Views
2K
Jul 13, 2017
NC-smokinlmm
C
LLY Assistance Please. PO202 and P2149
ChiefChaos
Jul 13, 2017
Replies
4
Views
2K
Jul 13, 2017
ChiefChaos
C
Vgt turbo question
cumminsman202
Jul 8, 2017
2
Replies
23
Views
3K
Jul 12, 2017
TROJAN366
0
LB7:
Smoke (huffing) from crank case vent tube, filler cap and dip stick. A lot of it
02maxstang
Jul 9, 2017
Replies
9
Views
3K
Jul 12, 2017
Brent@LDS
L
Best sounding exhaust for LB7
Layton
Jul 9, 2017
Replies
11
Views
6K
Jul 12, 2017
2004LB7
LML
Coolant level low message
Pwinland95
Jun 28, 2017
Replies
10
Views
19K
Jul 11, 2017
Pwinland95
Suggested bolt on parts for more power?
rhurtado3232
Jul 8, 2017
2
3
Replies
43
Views
5K
Jul 10, 2017
dmax_ty
D
T
Heeellllp
Tots
Jul 3, 2017
2
3
Replies
46
Views
5K
Jul 10, 2017
JoshH
Higher range boost sensor on a LB7?
catman3126
Jan 27, 2015
Replies
18
Views
7K
Jul 10, 2017
DAVe3283
Cp3 removal
REDHOSS02
Dec 17, 2009
2
Replies
25
Views
18K
Jul 10, 2017
cameron_wheeler1
C
Exhaust manifold stud removal help
citadel
Jul 9, 2017
Replies
10
Views
4K
Jul 10, 2017
PureHybrid
L
Head studs/gaskets as well?
Layton
Jul 8, 2017
Replies
11
Views
2K
Jul 10, 2017
2004LB7
LBZ:
s463/83 1.0ar vs s475/87 .90ar
diesel53
Jul 10, 2017
Replies
3
Views
1K
Jul 10, 2017
S Phinney
S
LLY:
Injector return line o-rings
IOWA LLY
Nov 22, 2010
Replies
11
Views
8K
Jul 10, 2017
Burn Down
Max boost on a modded IHI
ChrisPerry
Jul 8, 2017
Replies
16
Views
3K
Jul 9, 2017
Chevy1925
LLY:
Driving me Crazy Injector Malfunction CEL
ShredLordXx
Jul 5, 2017
Replies
10
Views
3K
Jul 9, 2017
ShredLordXx
Lly won't start no crank no communication
duallydmax06
Jun 5, 2017
Replies
11
Views
4K
Jul 9, 2017
hetzler_l33
A
Air bubbles at fuel filter head
astrnaughtwanabe
Jul 8, 2017
Replies
3
Views
2K
Jul 8, 2017
astrnaughtwanabe
A
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