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4L80e issues early upshifting need input
usaf_hess
on Oct 10, 2012
Sep 25, 2022
12:07 AM
by
RDF1
6
6,107
GM Drivetrain & Suspension
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
37,017
8-Lug Truck Performance
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
111,282
8-Lug Truck Performance
will regular BBC headers work on 8.1L?
lifted99GMC
on Mar 24, 2005
Mar 25, 2021
07:42 PM
by
terravast4
6
17,358
GM Engine & Exhaust Performance
02 8.1l knocking/ticking HELP
2500HD8.1
on Dec 16, 2012
Mar 10, 2020
03:30 PM
by
Brandon Walbeck
8
21,246
8-Lug Truck Performance
My ongoing 8.1 adventures...
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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
8-Lug Truck Performance
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
8-Lug Truck Performance
HELP...8.1 Loosing Coolant!!!
(
1
2
3
)
Ender06
on Mar 14, 2009
Mar 18, 2018
12:10 PM
by
TonyT
29
54,107
GM Engine & Exhaust Performance
10 Bolt 3.90 Eaton Posi Rear Axle, Caltracs, Slicks & Skinnies
(
1
2
3
)
Johnmaster
on May 3, 2014
Sep 20, 2016
11:34 AM
by
Mrice
20
8,923
GM Parts Classifieds
8.1 vortec 110 octane
(
1
2
)
8.1boss
on Apr 7, 2013
Jan 28, 2016
06:32 PM
by
jonny5cam
11
4,626
GM Engine & Exhaust Performance
TPS and Tach Signals
BooTheRedneck
on Mar 20, 2006
Oct 27, 2015
08:36 PM
by
Velocity1
8
2,672
Tuning, Diagnostics, Electronics, and Wiring
8.1L StainlessWorks Headers are ordered!!!
(
1
2
3
4
5
...
Last Page
)
Whippled 496
on Jan 26, 2009
Jul 2, 2015
10:07 PM
by
Whipped383
106
32,624
8-Lug Truck Performance
8.1 marine / multec 2 voltage offset, short pulse adder, and min pulse width
(
1
2
)
Jim_PA
on Mar 18, 2011
Jun 4, 2015
10:00 AM
by
03sierraslt
19
8,567
Tuning, Diagnostics, Electronics, and Wiring
(((((( 8.1 injectors )))))!!!
bohr898
on Oct 17, 2012
Apr 23, 2015
08:48 AM
by
xx_ED_xx
3
1,420
GM Parts Classifieds
Vortec 8.1 Performace Help
(
1
2
)
OMalley
on Mar 24, 2006
Mar 23, 2015
08:03 PM
by
Modifyit15
14
23,276
GM Engine & Exhaust Performance
Chevy 8.1 #31 injector fs
nickpc82
on Dec 15, 2012
Mar 23, 2015
06:12 AM
by
Gordo_Jr
9
1,407
GM Parts Classifieds
8.1 Shuts off while driving
(
1
2
)
Red95Formula
on Mar 11, 2008
Mar 14, 2015
03:04 PM
by
thagodfusion
11
19,454
GM Engine & Exhaust Performance
8.1 Tune vs Tune+Headers
Vortec8100
on Feb 12, 2014
Jan 31, 2015
01:30 AM
by
TIMINATOR
8
38,935
8-Lug Truck Performance
Finally! Modified Stock 8.1L Intake Manifiold Numbers!
(
1
2
)
Raylar Engineering
on May 28, 2014
Dec 23, 2014
08:25 PM
by
xx_ED_xx
19
30,225
8-Lug Truck Performance
10.4l
(
1
2
3
4
)
vulcanraven
on Sep 13, 2013
Dec 23, 2014
03:26 PM
by
Kerr
38
24,642
8-Lug Truck Performance
nelson tune for whipple
(
1
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3
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5
...
Last Page
)
HAZE
on May 20, 2004
Dec 9, 2014
05:58 PM
by
craigsix
98
22,663
GM Engine & Exhaust Performance
8.1 cam sensor discontinued???
(
1
2
)
SchwarzBiest
on Mar 6, 2013
Nov 18, 2014
04:09 PM
by
Raylar Engineering
15
53,125
8-Lug Truck Performance
BIG Turbo TV8101 on BBC in 2004 1500 Silverado
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1
2
3
4
5
...
Last Page
)
xx_ED_xx
on Jul 11, 2010
Aug 20, 2014
07:45 AM
by
xx_ED_xx
96
43,661
FORCED INDUCTION
8.1L with a Comp Cam, who has it???
Ender06
on May 9, 2014
Jul 15, 2014
03:19 PM
by
Kerr
9
10,766
8-Lug Truck Performance
figured id start a build thread since stuffs getting done
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3
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5
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Last Page
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2doorfury
on Apr 25, 2012
Jun 3, 2014
06:13 PM
by
2doorfury
106
26,376
PROJECTS GALLERY
2003 2500HD ECSB 8.1L Whipple Supercharged
(
1
2
)
Whippled 496
on Feb 4, 2014
Mar 25, 2014
05:33 PM
by
Whippled 496
14
22,423
Trucks and SUV Classifieds
8.1 Custom Intake Manifold
(
1
2
)
Ender06
on Feb 23, 2014
Mar 3, 2014
08:33 PM
by
FatFut
11
16,255
8-Lug Truck Performance
01 Suburban K2500, 8.1L... MPG comparisons
(
1
2
)
Ronich69
on Jan 5, 2014
Feb 22, 2014
08:26 PM
by
RezinTexas
15
7,083
8-Lug Truck Performance
My 8.1
(
1
2
)
02_2500avalanche
on Jan 15, 2014
Jan 30, 2014
11:44 AM
by
02_2500avalanche
19
25,316
8-Lug Truck Performance
Who has used a xr264hr Cam in a 8.1? Please chime in
1SloLQ9
on Nov 25, 2013
Jan 10, 2014
10:06 AM
by
Kerr
5
12,070
8-Lug Truck Performance
8.1 Tuning with EFI Live
offroad00
on Nov 13, 2013
Dec 16, 2013
09:10 AM
by
offroad00
6
2,122
Tuning, Diagnostics, Electronics, and Wiring
42lb 8.1 Marine Injectors
sbw9056
on Dec 3, 2013
Dec 12, 2013
11:35 AM
by
sbw9056
4
943
GM Parts Classifieds
Electric fan on 8.1 avalanche
(
1
2
)
1SloLQ9
on Nov 18, 2013
Dec 10, 2013
07:57 PM
by
01WS6/tamu
18
15,261
8-Lug Truck Performance
Big Block 8.1 Headers w/2" Primaries
(
1
2
3
)
Stainless Works
on Jun 25, 2012
Oct 24, 2013
06:43 AM
by
yooperLS6
23
25,265
8-Lug Truck Performance
HELP! Turbo truck not running right
(
1
2
3
4
5
)
BGERALD
on Aug 28, 2013
Sep 3, 2013
03:50 PM
by
whippled 8.1l build
42
6,005
FORCED INDUCTION
Ever seen a 2001 Silverado w/DBW??
Deuce
on Aug 5, 2013
Aug 6, 2013
04:11 AM
by
oakley6575
5
6,374
FUEL SYSTEMS
8.1 fuel pressure and injector question
OMalley
on Jul 23, 2013
Aug 5, 2013
09:49 PM
by
OMalley
8
16,650
8-Lug Truck Performance
Looking to buy 8.1 injectors??
(
1
2
)
Brandon Bogert
on Aug 3, 2013
Aug 5, 2013
12:42 PM
by
kelsey_canard
16
2,420
FUEL SYSTEMS
8.1l rebuilt engine low oil pressure
(
1
2
)
whippled 8.1l build
on May 21, 2013
Jul 7, 2013
02:42 PM
by
02_2500avalanche
13
16,927
INTERNAL ENGINE MODIFICATIONS
Oil Pan Rattle
Tx04RST
on Jun 22, 2013
Jun 30, 2013
07:58 PM
by
Tx04RST
6
11,743
GM Engine & Exhaust Performance
Electric water pumps
(
1
2
3
)
moes04silverado
on Jan 29, 2010
Jun 8, 2013
10:03 PM
by
ShredSled
24
6,311
GM Engine & Exhaust Performance
Explain injectors
Txblue
on May 29, 2013
May 30, 2013
11:56 AM
by
Txblue
6
1,484
GM Engine & Exhaust Performance
8.1L Timing - How low is low?
(
1
2
)
406jeep
on Apr 20, 2013
May 25, 2013
09:42 PM
by
406jeep
17
14,202
8-Lug Truck Performance
What I bought for the 8.1 starts with W
(
1
2
3
)
Whipped383
on Oct 29, 2012
May 4, 2013
09:03 AM
by
Whipped383
29
9,925
8-Lug Truck Performance
8.1l front mount turbo
whippled 8.1l build
on May 1, 2013
May 2, 2013
01:50 PM
by
whippled 8.1l build
2
770
GM Parts Classifieds
42lb 8.1L Marine Injectors
406jeep
on May 1, 2013
May 1, 2013
02:29 PM
by
GMCtrk
1
6,915
8-Lug Truck Performance
8.1 engine options??
(
1
2
)
scottybeammeup
on Apr 24, 2013
Apr 30, 2013
03:18 PM
by
whippled 8.1l build
14
11,863
8-Lug Truck Performance
8.1 marine injectors for sale
tweeder
on Mar 25, 2013
Apr 13, 2013
03:34 PM
by
tweeder
7
1,436
GM Parts Classifieds
ECM setup for flex fuel
(
1
2
3
4
)
Ender06
on Feb 25, 2013
Mar 25, 2013
12:07 PM
by
Area47
35
4,465
Tuning, Diagnostics, Electronics, and Wiring
Custom ground cam 8.1
(
1
2
)
Kerr
on Mar 1, 2013
Mar 18, 2013
08:49 AM
by
Kerr
13
3,983
8-Lug Truck Performance
8.1 tuning files
sparks454
on Mar 17, 2013
Mar 17, 2013
09:07 AM
by
sparks454
0
630
Tuning, Diagnostics, Electronics, and Wiring
8.1 marine 44 lbs. injector tune help
kogelch
on Feb 16, 2013
Mar 13, 2013
12:35 PM
by
nonnieselman
9
7,605
Tuning, Diagnostics, Electronics, and Wiring
8.1 engine dyno vid
hog
on Mar 9, 2013
Mar 12, 2013
12:24 PM
by
hog
4
1,902
8-Lug Truck Performance
How would a 4 inch exhaust be on a 8.1?
24gt24gt
on Jan 1, 2013
Mar 5, 2013
07:20 PM
by
tman_2006
6
10,101
8-Lug Truck Performance
DBW and DBC TB's?
1MeanGreenZ28
on Mar 2, 2013
Mar 3, 2013
02:37 AM
by
Koots
6
5,728
GM Engine & Exhaust Performance
1.8 rockers and cover spacers
(
1
2
3
)
BigDaddy0381
on Aug 2, 2012
Mar 2, 2013
02:11 PM
by
BigDaddy0381
26
3,695
GM Parts Classifieds
upgraded 8.1 rocker arms?
(
1
2
3
)
usaf_hess
on Feb 15, 2013
Feb 28, 2013
08:35 AM
by
Kerr
25
24,717
8-Lug Truck Performance
8.1 vortec supercharged?
silverado496
on Feb 5, 2013
Feb 26, 2013
07:45 PM
by
xx_ED_xx
6
3,970
FORCED INDUCTION
8.1 Exhaust
usmc3521
on Jan 23, 2013
Feb 25, 2013
12:56 PM
by
Kerr
5
1,772
8-Lug Truck Performance
need help on building 8.1 liter
stan 8.1
on Dec 28, 2012
Feb 25, 2013
12:54 PM
by
Kerr
6
1,953
8-Lug Truck Performance
6.0 vs 8.1?
gmc123
on Jan 30, 2013
Feb 19, 2013
12:54 PM
by
hog
8
14,479
GMT 800 & Older GM General Discussion
WTB: 8.1 injectors and 80 stall converter
kelsey_canard
on Jan 31, 2013
Feb 10, 2013
01:32 PM
by
kelsey_canard
5
531
WTB (Wanted To Buy)
Major Ground Strap ISSUE
Ender06
on Feb 6, 2013
Feb 7, 2013
02:42 PM
by
Ender06
3
1,248
Tuning, Diagnostics, Electronics, and Wiring
WTB: 8.1 8100 Supercarger
rao
on Jan 26, 2012
Jan 24, 2013
04:54 PM
by
rao
4
716
WTB (Wanted To Buy)
Fastest 8.1 Thread...
(
1
2
3
4
5
...
Last Page
)
xx_ED_xx
on Sep 20, 2010
Dec 19, 2012
11:47 PM
by
xx_ED_xx
77
26,192
8-Lug Truck Performance
8.1l - duramax swap
whippled 8.1l build
on Dec 18, 2012
Dec 19, 2012
08:46 AM
by
03sierraslt
5
2,291
GM Drivetrain & Suspension
P303 random misfire code #7 cylinder!
juicedsierra
on Sep 18, 2010
Dec 13, 2012
11:50 PM
by
TexasGMC08
5
2,259
Tuning, Diagnostics, Electronics, and Wiring
Looking for advise on injectors but not the leg work.
(
1
2
)
kogelch
on Nov 2, 2012
Dec 11, 2012
07:39 PM
by
kogelch
11
1,671
FUEL SYSTEMS
engine oil additives
(
1
2
3
)
lawdog49
on Mar 27, 2011
Dec 11, 2012
03:44 AM
by
Koots
21
5,607
GMT 800 & Older GM General Discussion
FS: Vortec 8100 Engine 8.1 liter 496 cid
(
1
2
3
4
)
gen3performance
on Sep 12, 2010
Nov 10, 2012
07:45 PM
by
blakvmax
36
13,723
GM Parts Classifieds
8.1l whipple feeler
whippled 8.1l build
on Oct 20, 2012
Nov 5, 2012
10:37 AM
by
whippled 8.1l build
8
4,329
GM Parts Classifieds
8.1 32lb injectors for sale, low mileage
(
1
2
)
1FSTZ71
on Oct 11, 2012
Nov 2, 2012
10:41 AM
by
1FSTZ71
16
2,151
GM Parts Classifieds
8.1 supercharger?
(
1
2
3
)
sand man
on Nov 18, 2011
Oct 23, 2012
08:19 PM
by
Whipped383
29
10,631
8-Lug Truck Performance
Blackbear tune
usmc3521
on Oct 9, 2012
Oct 21, 2012
10:34 AM
by
usmc3521
5
2,265
8-Lug Truck Performance
2003 Sunburst Orange 2500 W 72k miles NEW PRICE 13.5k$
2500avalanche
on Oct 13, 2012
Oct 13, 2012
05:25 PM
by
2500avalanche
0
1,101
Trucks and SUV Classifieds
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