Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
lexa
Thumping noise coming from intake
  • lexa

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
1FastBrick
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
1FastBrick
Truck wont rev much past 2k rpm no codes

LMM New

767
11.2K
Threads
767
Messages
11.2K
N2BRK
PLEASE HELP!! 07.5 LMM No shift indicator, dome lights, power locks & windows, NO CRANK NO START

LML New

654
8.4K
Threads
654
Messages
8.4K
NC-smokinlmm
Misfire at 1200rpm

L5P New

124
3.8K
Threads
124
Messages
3.8K
Rdomeck
L5P will barely start, then die Please Help

Transfer Case / Axles / Driveshafts Tech New

294
3.5K
Threads
294
Messages
3.5K
TheBac
No 4WD

Van

18
312
Threads
18
Messages
312
M
LGH (detuned LML in a van) Engine Shuts off at full throttle

Part #'s

396
2.3K
Threads
396
Messages
2.3K
K
Crossmember part # or replacement

Turbo Talk

"Nitrous is nice, but it's best to be Blown"
1.9K
43.7K
Threads
1.9K
Messages
43.7K
malibu795
WWYD? Turbo time

General Fuel System & Exhaust Questions New

373
7.7K
Threads
373
Messages
7.7K
M
dual tank woes

Fluids and Maintenance

652
10.7K
Threads
652
Messages
10.7K
OleBlackyLBZ
Starfire Fluid Built Trans

The Pharmacy

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous
blackdirtymax
Help with injector return line fitting?????
Replies
10
Views
9K
Tony Burkhard
Tony Burkhard
P
Stock turbo oil feed plug
Replies
5
Views
1K
x MadMAX DIESEL
x MadMAX DIESEL
C.bowles2
What size yoke in my lly?
Replies
4
Views
2K
x MadMAX DIESEL
x MadMAX DIESEL
millerman04
Oil Pressure Sending Unit
Replies
10
Views
37K
yevoot
Y
dirtymax36
Rear end making clicking noise
Replies
25
Views
11K
dirtymax36
dirtymax36
Harbin_22
Need to know what it takes to swap LLY to LBZ bottom ends
Replies
22
Views
3K
Harbin_22
Harbin_22
NinjaMax
next build step
Replies
10
Views
2K
Hot COCOAL
H
R
Lmm p0234 code
Replies
0
Views
2K
rabbit dog05
R
D
twins crossover pipe
Replies
3
Views
1K
mike diesel
mike diesel
M
welded y-bridge
Replies
8
Views
4K
quadracer37
quadracer37
1lowdiesel
Return line re-routing
Replies
21
Views
6K
x MadMAX DIESEL
x MadMAX DIESEL
T
Remote start
Replies
0
Views
1K
Tgreen45
T
LLYSMOKE
ii s478 info
Replies
12
Views
2K
moparkxracer
moparkxracer
C.bowles2
Lly rear diff breather question 11.5 AAM
Replies
6
Views
3K
TheBac
TheBac
T
Code U1026
Replies
0
Views
2K
timruger1
T
hopkins_fam
How much boost?
Replies
8
Views
2K
04D_MAX
04D_MAX
T
Injector size!
Replies
20
Views
6K
lifted04lb7
L
PACougar
Turbo Rebuild
Replies
11
Views
2K
PACougar
PACougar
G
Intermitten Check Engine Light
Replies
1
Views
607
TLyons90
TLyons90
diesel53
Question: 8an fittings, what size hose?
Replies
10
Views
2K
x MadMAX DIESEL
x MadMAX DIESEL
DieselmafiaLLY
GT5518 twins
Replies
8
Views
2K
PACougar
PACougar
M
How to tell if LB7 Turbo is working?
Replies
18
Views
30K
DAVe3283
DAVe3283
sweetdiesel
Nos Bottle direction
Replies
27
Views
7K
hondarider552
hondarider552
x MadMAX DIESEL
Difference in fan clutch pulley assemblies.
Replies
1
Views
1K
x MadMAX DIESEL
x MadMAX DIESEL
VinceGU05
electrocuted my engine
Replies
25
Views
5K
VinceGU05
VinceGU05
HSP Diesel
Twins, Triples, and other parts we are working on now!
Replies
94
Views
13K
Evan@InglewoodTrans
Evan@InglewoodTrans
LB7 Lover 1994
Sucking air
Replies
31
Views
9K
CaptPhil
CaptPhil
05LLYDMAX
Borg Warner s366 fittings
Replies
1
Views
902
slipclutchms
slipclutchms
V
Exergy Injector work
Replies
6
Views
2K
Sud
Sud
Big Block 88
LB7 injector life
Replies
31
Views
7K
Big Block 88
Big Block 88
C
All lights mod fried something?
Replies
4
Views
2K
TLyons90
TLyons90
B
New found problem on my 07 Lmm
Replies
3
Views
1K
Bradstroud
B
MAXX IT OUT
Stacks
Replies
7
Views
2K
Harbin_22
Harbin_22
Rico
LB7: Lookin to increase boost
Replies
15
Views
5K
adeso
adeso
B
Help: Limp mode with three codes
Replies
15
Views
5K
Bradstroud
B
1slomax
07 lbz fuel knock
Replies
1
Views
1K
DIESELMAFIAPER.LB7
DIESELMAFIAPER.LB7
Yellow Jacket
01-02 DMax block with no bosses for C4500 mounts
Replies
5
Views
3K
ripmf666
ripmf666
motoking_1990
Main seal?
Replies
17
Views
4K
x MadMAX DIESEL
x MadMAX DIESEL
9
Which LB7 down pipe should I pick up?
Replies
7
Views
2K
RickDLance
R
elliottw
Taking off compressor cover?
Replies
4
Views
3K
elliottw
elliottw
2
GT4508r or GT4708r? Low pressure charger
Replies
16
Views
4K
2005LLY
2
Mikey
Banks new Billet crank with larger rod journals- sema
Replies
34
Views
7K
x MadMAX DIESEL
x MadMAX DIESEL
quacker.smacker
Exhaust question
Replies
14
Views
2K
TLyons90
TLyons90
Turbo Performance
Throttle Pedal Differences
Replies
4
Views
1K
Turbo Performance
Turbo Performance
P
What are these?
Replies
8
Views
1K
hondarider552
hondarider552
DBUSHLB7
Schaeffers "All Trans Supreme"
Replies
26
Views
8K
Magnus
Magnus
eutsey04
02 lb7 fuel issue
Replies
6
Views
1K
MACKIN
MACKIN
D
will this work s372
Replies
10
Views
2K
Dirtymaxx03
Dirtymaxx03
Vrabel
LB7: inj cups
Replies
6
Views
1K
Big Block 88
Big Block 88
O
engine build broke crank now no start
Replies
10
Views
1K
hondarider552
hondarider552
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