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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
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B
Head gasket build
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J
2003 duramax 2500 HD 4 wheel drive Strange noise
Apr 3, 2024
Jaysbay
Van
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310
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Custom Van Air Intake
Apr 18, 2023
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yellowchevy
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Nitrous
Jun 5, 2022
Baking83
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A
weird intermittent limp mode issue HELP
adam12345
Feb 22, 2022
Replies
4
Views
445
Feb 22, 2022
adam12345
A
O
Stalling lb7
Ozzy57
Feb 7, 2022
2
Replies
30
Views
2K
Feb 22, 2022
Ozzy57
O
Is this Normal?
OleBlackyLBZ
Feb 2, 2022
2
Replies
39
Views
2K
Feb 22, 2022
Chevy1925
Billet Injector hold downs???
ZeroGravity58
Feb 20, 2022
Replies
6
Views
657
Feb 22, 2022
ZeroGravity58
F
losing prime
fourbtron
Feb 14, 2022
Replies
6
Views
670
Feb 21, 2022
Bdsankey
P
2003 duramax lb7 p0089 help
pat5001
Apr 9, 2013
Replies
17
Views
9K
Feb 21, 2022
N2BRK
N
N
2021 duramax exhaust
New2chevy21
Feb 20, 2022
Replies
5
Views
711
Feb 20, 2022
darkness
T
LLY P0089
Tunamaxx
Feb 18, 2022
Replies
3
Views
720
Feb 18, 2022
Ron Nielson
R
Cranks for 2 seconds and then quits
Graden56
Feb 2, 2022
2
Replies
39
Views
2K
Feb 18, 2022
TheBac
M
02 lb7 eating ficm
mamumtsllc
Feb 17, 2022
Replies
2
Views
394
Feb 17, 2022
mamumtsllc
M
Leaking cp3 pump - Mostly stock truck should i go with a stock unit?
akuz
Feb 12, 2022
Replies
7
Views
754
Feb 14, 2022
akuz
Water pump brands
496 BB
Feb 13, 2022
Replies
2
Views
400
Feb 14, 2022
Bdsankey
Odd no start issue
DIESELMAFIAPER.LB7
Jan 13, 2022
Replies
3
Views
469
Feb 12, 2022
akuz
15.5+ fan shrouds.
JDPlowboy
Feb 10, 2022
Replies
3
Views
607
Feb 11, 2022
ikeG
Won't start
Alancruz69
Feb 11, 2022
Replies
1
Views
371
Feb 11, 2022
036.6turbo
2016 4x4 will grind and clunk/ not engage
HDdave
Feb 5, 2022
Replies
8
Views
774
Feb 8, 2022
HDdave
0
03 chevy 2500 duramax
03duramax666
Feb 7, 2022
Replies
1
Views
330
Feb 7, 2022
2004LB7
L
HP TUNERS
Lunger34
Feb 6, 2022
Replies
1
Views
382
Feb 7, 2022
2004LB7
Poll
LBZ turbo with 7+7 65mm compressor
Lennart
Jan 30, 2022
Replies
3
Views
523
Feb 4, 2022
Lennart
F
dpf
fourshoes
Feb 2, 2022
Replies
6
Views
568
Feb 4, 2022
NC-smokinlmm
Mahle motorsports pistons hit lml crank
Tothemax
Jan 23, 2022
2
Replies
26
Views
2K
Jan 31, 2022
ikeG
K
2008 gmc 6.6 died, no start
keonj
Jan 30, 2022
Replies
5
Views
368
Jan 30, 2022
2004LB7
LB7:
LB7 clear upper valve covers
pornstar dancin
Jan 26, 2022
Replies
6
Views
563
Jan 27, 2022
2004LB7
B
LB7 stand alone harness questions
buick455
Dec 9, 2021
Replies
19
Views
1K
Jan 24, 2022
THEFERMANATOR
coolant loss
660catman
Jan 5, 2022
Replies
14
Views
1K
Jan 22, 2022
SheeB
S
S
deleted 2013 LML worth returning to Stock?
SamGevas
Jan 4, 2022
Replies
15
Views
2K
Jan 21, 2022
LBZ
Rail pressure climbs while coasting.
darkness
Jan 21, 2022
Replies
7
Views
798
Jan 21, 2022
darkness
J
Lb7 fuel leak on passenger side
JudeH
Jan 18, 2022
2
Replies
34
Views
4K
Jan 20, 2022
JudeH
J
E
No start Lly
Edv2003
Jan 18, 2022
Replies
7
Views
862
Jan 19, 2022
Edv2003
E
Should invest in replacing cracked head
john.firth.161
Jan 10, 2022
Replies
13
Views
1K
Jan 13, 2022
john.firth.161
G
LB7 oil pump conundrum.
GMCSLEHD
Jan 8, 2022
Replies
9
Views
1K
Jan 13, 2022
GMCSLEHD
G
P
LBZ Squeal Under Hood next to Firewall
Pete379
Jan 2, 2022
Replies
4
Views
902
Jan 12, 2022
LBZ
A
Turbo Replacement
ArdyC
Jan 10, 2022
Replies
3
Views
654
Jan 11, 2022
ArdyC
A
water pump
Cajunaman
Jan 9, 2022
Replies
5
Views
1K
Jan 10, 2022
MarkBroviak
J
Clicking noise when take foot off gas
J-Rad
Dec 30, 2021
Replies
16
Views
2K
Jan 10, 2022
J-Rad
J
HELP No Shift Indicator Line, No Crank No Start
07SilveradoHD
Jan 16, 2020
2
Replies
25
Views
12K
Jan 10, 2022
drobin
D
F
ARP head studs and building coolant pressure
Fishouse
Jan 6, 2022
Replies
19
Views
1K
Jan 8, 2022
Chevy1925
B
Don't know where to go
Big_Mel
Jan 8, 2022
Replies
2
Views
471
Jan 8, 2022
2004LB7
0
Time for injectors stock or 30 overs?
04chase
Dec 29, 2021
Replies
17
Views
1K
Jan 8, 2022
TheBac
7
LB7:
SAC 45 injectors installed
77cruiser
Mar 5, 2018
Replies
4
Views
2K
Jan 6, 2022
77cruiser
7
B
Need help
Boudreaulb7
Dec 26, 2021
Replies
5
Views
617
Jan 5, 2022
Boudreaulb7
B
EGR
Harshman
Jan 4, 2022
Replies
2
Views
496
Jan 5, 2022
TheBac
lb7 swap need help
Lil LB7
Jul 7, 2016
Replies
6
Views
2K
Jan 2, 2022
strongsperformance
F
LMM engine wiring harness to chassis wiring harness connector views
Fredy
Dec 31, 2021
Replies
1
Views
2K
Jan 1, 2022
Ron Nielson
R
T
Don’t know where this plug goes?
Tunamaxx
Dec 31, 2021
Replies
12
Views
767
Jan 1, 2022
Tunamaxx
T
R
DPF damage
rickr2007
Dec 22, 2021
Replies
14
Views
2K
Dec 29, 2021
rickr2007
R
B
Help 2015 duramax no crank no start!
Bruce78
Dec 19, 2021
Replies
4
Views
1K
Dec 20, 2021
Ron Nielson
R
lbz van thermostat conversion
Yngdmax92
Dec 18, 2021
Replies
7
Views
807
Dec 19, 2021
Nate’s Dmax
B
New injectors ran great no cluster all of a sudden.
BigSexy
Dec 16, 2021
Replies
2
Views
510
Dec 16, 2021
TheBac
2015 lml dual tank
Yngdmax92
Dec 5, 2021
Replies
6
Views
1K
Dec 13, 2021
Yngdmax92
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