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PerformanceTrucks.net Forums
GENERAL MOTORS SPECIFIC FORUMS
8-Lug Truck Performance
8-Lug Truck Performance
Duramax, 8.1L, and HD tech | Intakes | Exhaust | Tuning | Suspension | Drivetrain
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GM 8 Lug Section READ HERE FIRST!!!!
1slow01Z71
on May 19, 2009
May 19, 2009
11:15 PM
by
1slow01Z71
0
11,999
Normal Threads
High country seats
parks450
on Feb 6, 2026
Feb 6, 2026
04:05 AM
by
parks450
0
150
8.1L header question
(
1
2
)
Andband14
on Mar 11, 2025
Jul 2, 2025
03:41 PM
by
rang-a-stang
10
1,905
11.5" 14 bolt U joint ?
tmcmillan5
on Apr 23, 2025
Apr 23, 2025
09:04 AM
by
tmcmillan5
0
1,120
Vvt delete parts list
Brksblake
on Sep 5, 2022
Aug 2, 2024
04:59 AM
by
Geotrash
3
2,139
Stock 8.1L Cam Specs?
rang-a-stang
on Jun 5, 2024
Jun 10, 2024
03:08 PM
by
rang-a-stang
6
3,791
Does anyone have a tool to install an 8.1L Crank pulley they would rent?
rang-a-stang
on May 9, 2024
Jun 4, 2024
12:56 PM
by
rang-a-stang
4
1,132
jacking up rear of B class rv van Chevy 3500 8K LB van
thebrain
on Jan 31, 2024
Feb 5, 2024
10:38 AM
by
thebrain
5
1,140
P2653 p003a
(
1
2
3
4
5
)
shakenfake
on Sep 30, 2022
Oct 3, 2023
07:46 AM
by
shakenfake
41
3,056
2007 Chevy 2500HD 6.6L Gets hot
Jake Herring
on Sep 18, 2023
Sep 19, 2023
06:12 AM
by
arthursc2
2
1,028
Will a 2003 G-8 gt4 be a direct swap in rear for an 08 GMC2500HD
Bearbear69
on Sep 9, 2023
Sep 9, 2023
10:23 PM
by
Bearbear69
5
996
2500 HD with a 5.3 and 80e
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3
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5
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Last Page
)
richard(dick)
on Nov 3, 2021
Sep 8, 2023
09:18 PM
by
strutaeng
71
11,168
8.1 over heat limp mode condition
HOSS2500
on Aug 21, 2023
Aug 24, 2023
10:06 AM
by
HOSS2500
6
1,004
8 lug rear wheel options?
TrashTruck
on Jan 19, 2022
Jul 17, 2023
01:46 PM
by
custm2500
6
2,055
Possible to swap an 8.1L into a GMT900 truck?
(
1
2
3
4
)
calsdad
on Sep 28, 2015
Jun 14, 2023
11:07 PM
by
the_foose
34
212,553
2013 2500 HD running poor AF
ZONES89RS
on Aug 13, 2022
Apr 1, 2023
05:10 PM
by
Fullpower
8
1,436
Big Brake Upgrade for 3/4Ton GMT800 ??
(
1
2
3
)
Fullpower
on Dec 9, 2022
Jan 30, 2023
07:49 PM
by
1FastBrick
23
9,333
what vehicle did these wheel come off
thebrain
on Dec 26, 2022
Jan 1, 2023
10:32 AM
by
01WS6/tamu
2
1,164
8.1 BP202 or BP203 cam
99MedBlueBird
on Jun 5, 2022
Nov 23, 2022
03:32 PM
by
_zebra
6
6,420
Wheels - 2009 Chevy Silverado 2500 HD
Rockrz
on Oct 13, 2022
Oct 13, 2022
02:17 PM
by
shakenfake
3
1,094
Transmission
Calakaz
on Jul 7, 2022
Sep 20, 2022
05:21 AM
by
smokinlmm
6
1,329
8.1L Suburban Manual trans swap
(
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5
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Last Page
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Topfuel67
on Aug 19, 2022
Sep 1, 2022
12:16 PM
by
_zebra
56
17,289
1500hd rear axle bearings?
Chrisracerx
on Mar 8, 2021
Aug 8, 2022
12:49 AM
by
Fullpower
9
6,505
8.1 / 4L80E towing review
(
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5
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Last Page
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Oobray
on Aug 2, 2015
Jun 13, 2022
03:38 AM
by
3wide
70
513,269
Steering knuckle question
JF01
on May 12, 2022
May 17, 2022
09:21 AM
by
JF01
2
1,138
Coilover conversion for 99-07 2500 trucks?
Just another turbo LS
on Mar 11, 2022
Mar 12, 2022
10:06 AM
by
Just another turbo LS
3
2,615
Hot LQ4 for occasional towing?
onebadtwo
on Feb 24, 2022
Mar 2, 2022
09:16 PM
by
DAH32
9
8,174
New here! 2012 2500hd cam options.
Brksblake
on Jan 20, 2022
Jan 23, 2022
06:58 PM
by
Kbit
4
1,491
2001 Chev 2500 6.0
ACAMS
on Nov 19, 2021
Nov 20, 2021
01:17 PM
by
ACAMS
6
1,859
Hello. Who has cammed their 8.1 w/a CC 270 or 264?
(
1
2
)
jmccart
on Feb 18, 2011
Oct 12, 2021
06:13 PM
by
boostyook
17
37,010
Reliable 6.0L 2500HD Towing Cam Mods?
(
1
2
)
trailhopper
on Sep 12, 2021
Sep 22, 2021
10:37 PM
by
RDF1
13
16,331
Difference in 8.1 engine's 01-07
(
1
2
3
)
1SloLQ9
on Nov 10, 2013
Aug 24, 2021
05:32 PM
by
JoshuaFoster
24
111,266
4L80e vs 6L90e
strutaeng
on May 24, 2021
Aug 19, 2021
05:49 PM
by
strutaeng
9
28,246
GMC 2500 with BTR Torque cam - Any experience?
Kelly Timoffee
on May 10, 2021
May 16, 2021
08:35 AM
by
Kelly Timoffee
6
3,648
caliper bolt covers
Bobsim
on Apr 11, 2021
Apr 11, 2021
06:40 PM
by
Bobsim
1
1,002
Anyone playing with the 15+ HD gassers?
(
1
2
)
Bgbldodge
on Feb 28, 2021
Mar 22, 2021
06:17 AM
by
smokinlmm
11
3,029
LY6 - Spun Cam Bearing - Looking for Input
DrocheGMC
on Mar 10, 2021
Mar 11, 2021
10:11 AM
by
arthursc2
6
6,529
8.1L factory intake mods, homebrew style?
(
1
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5
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Last Page
)
jmccart
on Dec 18, 2014
Feb 28, 2021
05:15 PM
by
PedroAK
62
165,892
14 bolt semi-flater 9.5” rear differential
(
1
2
)
Proatv13
on Jun 8, 2020
Feb 10, 2021
12:09 PM
by
1FastBrick
12
17,517
LQ4 with 706's and a cam - pushrod length?
(
1
2
3
)
BOCEPHUS777
on May 9, 2019
Feb 6, 2021
01:07 AM
by
RedXray
26
23,261
PPEI autocal
08lambochevy
on Jan 27, 2021
Jan 27, 2021
10:04 AM
by
08lambochevy
0
1,438
any 6.0 2500HD pulling travel trailers?
(
1
2
3
)
ap2002
on Jun 10, 2009
Jan 26, 2021
09:18 PM
by
Bgbldodge
22
24,634
any difference in frame
Junkyruck
on Sep 8, 2020
Sep 8, 2020
07:59 PM
by
arthursc2
1
1,673
E85??
HioSSilver
on Sep 4, 2020
Sep 4, 2020
12:39 PM
by
1FastBrick
1
1,655
2016 2500HD 6.0 gasser header choices
chacho44
on Nov 18, 2018
Sep 4, 2020
11:57 AM
by
HioSSilver
3
3,364
Mounting electronic fans
(
1
2
3
)
Mcat069
on Oct 9, 2018
Aug 16, 2020
05:54 PM
by
DEWFPO
20
8,322
2500hd rear 10.5 in a 1500hd/2500
jsanford
on Jul 26, 2016
Aug 14, 2020
02:30 PM
by
4ws f 7
6
15,648
4L80 to 6L90 swap
(
1
2
3
)
johanh13
on Sep 14, 2009
Aug 14, 2020
02:25 PM
by
4ws f 7
20
87,880
8.1 stroker kit, considering it
8.1 YUKON XL
on Jul 28, 2020
Jul 28, 2020
03:50 PM
by
8.1 YUKON XL
0
1,170
2006 "LLY" or Gen4 Cummins??
(
1
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3
4
5
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Last Page
)
_zebra
on May 10, 2020
Jun 23, 2020
09:36 AM
by
dantheman1540
95
8,081
02 8.1l knocking/ticking HELP
2500HD8.1
on Dec 16, 2012
Mar 10, 2020
03:30 PM
by
Brandon Walbeck
8
21,245
Blown gt5 rear! Need suggestions please!
Krakur
on Nov 2, 2019
Nov 2, 2019
09:39 PM
by
1994Vmax
3
2,141
Brakes for my truck
Pjstucn1
on Oct 28, 2019
Oct 29, 2019
12:23 PM
by
Summitracing
5
2,188
PICS & SOUND CLIP: Magnaflow 14419 3"IN 3"OUT muffler
Mark408
on Oct 14, 2019
Oct 14, 2019
03:40 PM
by
Mark408
0
2,790
4L80 trans upshift question
gman4dx266
on Jan 7, 2010
Sep 11, 2019
04:19 AM
by
madmann26
7
3,820
07 2500HD Classic Build
(
1
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3
4
5
...
Last Page
)
LCDR
on Oct 4, 2018
Aug 16, 2019
09:43 PM
by
LCDR
67
22,086
Anyone try towing heavy stuff with a 408 LS?
(
1
2
)
EmeraldFlame772
on Oct 24, 2018
Aug 7, 2019
08:12 PM
by
Tailgate shown daily
12
35,832
My ongoing 8.1 adventures...
(
1
2
3
4
5
...
Last Page
)
xx_ED_xx
on Apr 30, 2013
Aug 4, 2019
02:00 PM
by
LCDR
132
79,516
Supercharged Tow Rig
(
1
2
3
)
tglandon
on Nov 4, 2017
Jun 29, 2019
12:35 AM
by
tglandon
20
20,872
2001 Chevy 2500 hd 6.0
Christopher Spears
on Apr 15, 2019
Apr 15, 2019
11:21 PM
by
FFDP
3
3,213
Any E85 8.1 guys?
496 BB
on Mar 8, 2019
Mar 9, 2019
09:54 PM
by
1FastBrick
7
6,129
Long tube headers crew cab
nsm12690
on Apr 22, 2018
Jan 22, 2019
11:41 AM
by
Epra_Dzl728
6
6,123
Cam Suggestions
TiGer85SS
on Dec 30, 2018
Jan 22, 2019
11:37 AM
by
Epra_Dzl728
2
3,765
Flowmaster American Thunder Exhaust
Northeastconfederate
on Dec 24, 2018
Dec 24, 2018
07:07 PM
by
Northeastconfederate
0
1,459
Helping out a friend 08 dmax
ski7541
on Dec 19, 2018
Dec 19, 2018
07:43 PM
by
Ryan Amsden
1
1,357
Planning a build, seeking feedback...
ZHunter
on Nov 29, 2018
Nov 29, 2018
10:32 PM
by
arthursc2
5
1,752
WIX paper filter CFM calculation
(
1
2
)
RNSAK
on May 13, 2018
Oct 4, 2018
12:26 PM
by
R U Jimmy Ray
13
10,455
B&M Racing Labor Day Sales Event Going On Now!
Tech@B&M Racing
on Sep 7, 2018
Sep 10, 2018
06:01 PM
by
Tech@B&M Racing
1
1,349
PY0 Center caps
rpm-inc
on Aug 25, 2018
Aug 26, 2018
06:18 PM
by
rpm-inc
2
2,421
BP203 cam
dually
on Jul 24, 2018
Jul 24, 2018
09:32 AM
by
dually
1
3,474
Does anyone know who makes a good set of headers for 6.0 trucks?
(
1
2
3
)
02Sierra2500hd
on Mar 3, 2016
Jul 10, 2018
08:34 PM
by
saltwatercowboy6355
27
18,637
Reduced Engine Power (NO CODES)
SamuelsonMotorsports
on Jun 25, 2018
Jul 7, 2018
08:40 PM
by
1FastBrick
3
2,054
8.1L Fuel Improvement/power upgrades
(
1
2
)
moes04silverado
on Dec 25, 2010
Jun 3, 2018
07:32 PM
by
Michael Coleman
14
110,096
Wheel adapters
85SS/85GN
on May 17, 2018
May 18, 2018
09:55 AM
by
1994Vmax
1
1,846
Tuning a 2015+ 6 liter HD
(
1
2
)
1994Vmax
on Mar 13, 2018
May 16, 2018
07:42 PM
by
1994Vmax
14
5,516
Broke down and bought me a diesel!!!
(
1
2
3
4
)
black00chev
on Oct 9, 2017
Apr 21, 2018
07:17 AM
by
black00chev
31
7,680
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