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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
Today at 10:03 AM
2004LB7
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
653
8.4K
Threads
653
Messages
8.4K
Rolling White
Yesterday at 10:40 PM
TheBac
L5P
New
124
3.8K
Threads
124
Messages
3.8K
L5P will barely start, then die Please Help
Today 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
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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J
Air dog 165 Donaldson 551315
jojo
Mar 22, 2016
Replies
4
Views
1K
Mar 22, 2016
jojo
J
slow throttle response after twin install
cumminsman202
Mar 20, 2016
Replies
7
Views
1K
Mar 22, 2016
cumminsman202
68mm stg2r lagggg
C.bowles2
Mar 20, 2016
2
Replies
29
Views
8K
Mar 21, 2016
DMAXchris
Fass question?
MarylandDmax
Mar 14, 2016
Replies
3
Views
1K
Mar 21, 2016
Ne-max
Nice exhaust for my 03 duramax lb7 !?!?
mrmiano1989
Mar 16, 2016
Replies
12
Views
2K
Mar 21, 2016
Troysalm71
need help!!!! fuel issue real bad!!
nate.mchugh1986
Mar 20, 2016
Replies
19
Views
3K
Mar 20, 2016
nate.mchugh1986
LB7:
Iso lb7 af cam swap sheet
dirtydmax
Mar 20, 2016
Replies
1
Views
1K
Mar 20, 2016
dirtydmax
Injector lines...
hipp11B
Mar 18, 2016
2
Replies
26
Views
3K
Mar 20, 2016
hipp11B
New setup, hello banana rods!
DURAMAXD219
Feb 17, 2016
2
3
Replies
59
Views
8K
Mar 20, 2016
DURAMAXD219
LB7:
Installed a LBZ pump in a LB7 and now will not start.
DetailsUnlimited
Mar 19, 2016
Replies
12
Views
1K
Mar 20, 2016
DetailsUnlimited
T
efi live which tunes to pic for built tranny
Teamvi
Mar 18, 2016
Replies
11
Views
2K
Mar 20, 2016
onebaddmaxxx
O
W
LB7:
Low Oil Sensor Leak.
workin' diesel
Mar 19, 2016
Replies
0
Views
997
Mar 19, 2016
workin' diesel
W
fuel issue of some type
nate.mchugh1986
Mar 19, 2016
Replies
4
Views
1K
Mar 19, 2016
nate.mchugh1986
J
Air Dog 165
jojo
Mar 19, 2016
Replies
2
Views
844
Mar 19, 2016
jojo
J
M
Got a new truck (built trans, s366) and have some questions
muddychevy88
Mar 18, 2016
Replies
9
Views
1K
Mar 18, 2016
Chevy1925
D
No start on my 2005 lly
dslboy
Mar 18, 2016
Replies
1
Views
1K
Mar 18, 2016
dslboy
D
Fuel Cell Installed
PACougar
Feb 17, 2014
3
4
5
Replies
87
Views
13K
Mar 18, 2016
PACougar
New pump now won't rev up
JeremyDon88
Mar 18, 2016
Replies
0
Views
840
Mar 18, 2016
JeremyDon88
Help Needed After Turbo Swap
TwinStick
Mar 17, 2016
Replies
7
Views
1K
Mar 18, 2016
TwinStick
LLY:
Intercooler pipes question
eutsey04
Mar 17, 2016
Replies
4
Views
2K
Mar 18, 2016
c20elephant
loping after fass 95 install and injectors
MarylandDmax
Mar 17, 2016
Replies
7
Views
2K
Mar 18, 2016
kidturbo
LLY:
Intercooler tubes
eutsey04
Mar 17, 2016
Replies
0
Views
922
Mar 17, 2016
eutsey04
J
LML
2012 62,000 miles 20,000 hrs. rpm issue
J.pouchet
Mar 16, 2016
2
Replies
22
Views
4K
Mar 17, 2016
CarolinaHD
S
LBZ:
OEM GM Belt Tensioner Help
southco
Mar 13, 2016
Replies
19
Views
4K
Mar 17, 2016
LBZ
LBZ:
Coolant 1 Gal+/week
gmasko
Jan 20, 2016
2
Replies
21
Views
4K
Mar 16, 2016
Woodster
I got excessive amount of fuel in crank case,water in fuel light is on,and runs rough
2004duramax3500crewcab
Feb 14, 2016
2
3
Replies
48
Views
7K
Mar 16, 2016
The Kansan
Fleece injectors
hipp11B
Mar 15, 2016
Replies
6
Views
1K
Mar 15, 2016
Brent@LDS
Flow testing cp3
Moneywellspent
Mar 15, 2016
Replies
0
Views
898
Mar 15, 2016
Moneywellspent
Valley fuel leak
AJH
Mar 7, 2016
Replies
13
Views
10K
Mar 15, 2016
AJH
a/c delete pulley
malibu795
Aug 25, 2008
Replies
15
Views
10K
Mar 15, 2016
zf>allison
LLY:
FICM and dead battery?
cstephens93
Mar 10, 2016
Replies
5
Views
3K
Mar 15, 2016
cstephens93
Lly injector balance rates.
Henry95
Mar 10, 2016
2
Replies
29
Views
8K
Mar 15, 2016
Chevy1925
Best wheel hub
DefiantArms
Mar 14, 2016
Replies
9
Views
3K
Mar 15, 2016
04chase
0
What to do about water pump housing.
MarylandDmax
Mar 14, 2016
Replies
2
Views
2K
Mar 14, 2016
DAVe3283
Question:
Looking for lbs per minute on different S472's
DetailsUnlimited
Mar 11, 2016
Replies
2
Views
2K
Mar 14, 2016
1TRIKHD
Two Lift Pumps. Routing?
Cknight199
Mar 13, 2016
Replies
17
Views
2K
Mar 14, 2016
moparkxracer
Timing cover
Troysalm71
Mar 10, 2016
Replies
9
Views
2K
Mar 14, 2016
Troysalm71
mid-injector change update
MarylandDmax
Mar 12, 2016
Replies
2
Views
1K
Mar 13, 2016
N2BRK
LMM:
Oily residue in exhaust
BLACKMAX1
Mar 5, 2016
Replies
10
Views
3K
Mar 13, 2016
WVRigrat05
LLY:
Black Smoke and no power
02dirtymax
Mar 3, 2016
Replies
18
Views
10K
Mar 13, 2016
Hot COCOAL
H
Pinion bearing failed
mike diesel
Feb 21, 2016
3
4
5
Replies
88
Views
12K
Mar 13, 2016
56taskforce
Update/ friendly advice
Idahodmax
Mar 6, 2016
2
Replies
21
Views
3K
Mar 13, 2016
Idahodmax
first time injectors suggestions
MarylandDmax
Feb 25, 2016
2
Replies
32
Views
4K
Mar 12, 2016
MarylandDmax
Is this a problem??? With Pics
The Kansan
Mar 12, 2016
Replies
2
Views
834
Mar 12, 2016
The Kansan
FASS Ti 150 cavitation
DefiantArms
Mar 11, 2016
Replies
6
Views
2K
Mar 12, 2016
juddski88
B
Turbo Feed Line
brickford5
Mar 11, 2016
Replies
4
Views
2K
Mar 12, 2016
Stancedlb7
2015 duramax mods
b.d.keathley
Mar 8, 2016
Replies
16
Views
7K
Mar 11, 2016
b.d.keathley
R
p1238?
roxyfever
Mar 10, 2016
Replies
2
Views
2K
Mar 11, 2016
roxyfever
R
S
LB7:
Diesel fuel in crankcase
SMDiesel1
Feb 14, 2016
Replies
10
Views
5K
Mar 11, 2016
SMDiesel1
S
B
LBZ mod help!
Big0
Mar 11, 2016
Replies
3
Views
2K
Mar 11, 2016
dunnc1991
D
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