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Threads Tagged with
81l
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will regular BBC headers work on 8.1L?
lifted99GMC
on 03-24-2005
03-25-2021
07:42 PM
by
terravast4
6
13,831
GM Engine & Exhaust Performance
02 8.1l knocking/ticking HELP
2500HD8.1
on 12-16-2012
03-10-2020
03:30 PM
by
Brandon Walbeck
8
17,766
8-Lug Truck Performance
8.1L Fuel Improvement/power upgrades
(
1
2
)
moes04silverado
on 12-25-2010
06-03-2018
07:32 PM
by
Michael Coleman
14
103,817
8-Lug Truck Performance
HELP...8.1 Loosing Coolant!!!
(
1
2
3
)
Ender06
on 03-14-2009
03-18-2018
12:10 PM
by
TonyT
29
46,624
GM Engine & Exhaust Performance
How can i tell if this has the Allison tranny?
(
1
2
)
lifted99GMC
on 10-20-2004
01-12-2017
01:45 PM
by
1FastBrick
17
57,672
GM Engine & Exhaust Performance
TPS and Tach Signals
BooTheRedneck
on 03-20-2006
10-27-2015
08:36 PM
by
Velocity1
8
2,406
Tuning, Diagnostics, Electronics, and Wiring
8.1L StainlessWorks Headers are ordered!!!
(
1
2
3
4
5
...
Last Page
)
Whippled 496
on 01-26-2009
07-02-2015
10:07 PM
by
Whipped383
106
30,002
8-Lug Truck Performance
Vortec 8.1 Performace Help
(
1
2
)
OMalley
on 03-24-2006
03-23-2015
08:03 PM
by
Modifyit15
14
22,269
GM Engine & Exhaust Performance
8.1 Tune vs Tune+Headers
Vortec8100
on 02-12-2014
01-31-2015
01:30 AM
by
TIMINATOR
8
33,860
8-Lug Truck Performance
New 90MM 8.1L Intake Manifold
(
1
2
3
4
)
Raylar Engineering
on 01-26-2014
01-30-2015
11:42 PM
by
Whipped383
39
25,011
8-Lug Truck Performance
Finally! Modified Stock 8.1L Intake Manifiold Numbers!
(
1
2
)
Raylar Engineering
on 05-28-2014
12-23-2014
08:25 PM
by
xx_ED_xx
19
25,920
8-Lug Truck Performance
2003 2500HD ECSB 8.1L Whipple Supercharged
(
1
2
)
Whippled 496
on 02-04-2014
03-25-2014
05:33 PM
by
Whippled 496
14
19,373
Trucks and SUV Classifieds
P1174 Fuel Trim Cylinder Balance Bank1
TexasGMC08
on 02-24-2014
02-27-2014
12:04 PM
by
TexasGMC08
1
7,095
Tuning, Diagnostics, Electronics, and Wiring
01 Suburban K2500, 8.1L... MPG comparisons
(
1
2
)
Ronich69
on 01-05-2014
02-22-2014
08:26 PM
by
RezinTexas
15
6,485
8-Lug Truck Performance
8.1L Cam
02chevrod
on 10-30-2013
10-31-2013
09:37 PM
by
chevy79
1
1,176
INTERNAL ENGINE MODIFICATIONS
Big Block 8.1 Headers w/2" Primaries
(
1
2
3
)
Stainless Works
on 06-25-2012
10-24-2013
06:43 AM
by
yooperLS6
23
23,705
8-Lug Truck Performance
lifter tick?
(
1
2
)
Boosted_Silverado
on 09-09-2013
09-16-2013
09:11 PM
by
hsiriyob
17
3,467
GM Engine & Exhaust Performance
new here. picked up a 04 sierra 8.1L
polaris650freak
on 09-08-2013
09-12-2013
06:18 PM
by
skaffy03
6
1,908
New Members
8.1 fuel pressure and injector question
OMalley
on 07-23-2013
08-05-2013
09:49 PM
by
OMalley
8
15,521
8-Lug Truck Performance
8.1l rebuilt engine low oil pressure
(
1
2
)
whippled 8.1l build
on 05-21-2013
07-07-2013
02:42 PM
by
02_2500avalanche
13
14,403
INTERNAL ENGINE MODIFICATIONS
compound twin turbo questions
(
1
2
3
4
)
whippled 8.1l build
on 06-04-2013
06-07-2013
11:16 AM
by
t_thall
32
8,664
FORCED INDUCTION
Explain injectors
Txblue
on 05-29-2013
05-30-2013
11:56 AM
by
Txblue
6
1,351
GM Engine & Exhaust Performance
8.1L Timing - How low is low?
(
1
2
)
406jeep
on 04-20-2013
05-25-2013
09:42 PM
by
406jeep
17
11,493
8-Lug Truck Performance
42lb 8.1L Marine Injectors
406jeep
on 05-01-2013
05-01-2013
02:29 PM
by
GMCtrk
1
6,714
8-Lug Truck Performance
8.1 engine options??
(
1
2
)
scottybeammeup
on 04-24-2013
04-30-2013
03:18 PM
by
whippled 8.1l build
14
9,799
8-Lug Truck Performance
How would a 4 inch exhaust be on a 8.1?
24gt24gt
on 01-01-2013
03-05-2013
07:20 PM
by
tman_2006
6
8,698
8-Lug Truck Performance
Fastest 8.1 Thread...
(
1
2
3
4
5
...
Last Page
)
xx_ED_xx
on 09-20-2010
12-19-2012
11:47 PM
by
xx_ED_xx
77
24,751
8-Lug Truck Performance
8.1l - duramax swap
whippled 8.1l build
on 12-18-2012
12-19-2012
08:46 AM
by
03sierraslt
5
2,095
GM Drivetrain & Suspension
Thinking outloud, please help...
(
1
2
3
4
5
...
Last Page
)
Whippled 496
on 03-12-2009
12-12-2012
09:56 PM
by
Whipped383
70
14,715
FORCED INDUCTION
engine oil additives
(
1
2
3
)
lawdog49
on 03-27-2011
12-11-2012
03:44 AM
by
Koots
21
4,969
GMT 800 & Older GM General Discussion
8.1l whipple feeler
whippled 8.1l build
on 10-20-2012
11-05-2012
10:37 AM
by
whippled 8.1l build
8
3,976
GM Parts Classifieds
8.1 supercharger?
(
1
2
3
)
sand man
on 11-18-2011
10-23-2012
08:19 PM
by
Whipped383
29
9,907
8-Lug Truck Performance
8.1l with wiring and ecm
fletchermotorsports
on 08-21-2012
09-27-2012
05:38 PM
by
fletchermotorsports
3
1,381
GM Parts Classifieds
8.1l high boost
(
1
2
3
)
whippled 8.1l build
on 09-18-2012
09-22-2012
08:30 PM
by
whippled 8.1l build
27
34,799
FORCED INDUCTION
8.1 L Injectors
a.vinson
on 02-19-2012
09-16-2012
08:22 PM
by
Whipped383
5
1,382
INTERNAL ENGINE MODIFICATIONS
Raylar stuff
(
1
2
3
)
TieRod
on 03-03-2012
09-16-2012
02:39 PM
by
xx_ED_xx
25
17,654
8-Lug Truck Performance
8.1 tuners
(
1
2
)
02SilveradoLT
on 03-20-2012
09-16-2012
11:10 AM
by
Whipped383
10
36,474
8-Lug Truck Performance
fuel injector help for H/C/I/E Procharged 6.0
(
1
2
3
4
5
...
Last Page
)
AndysC3
on 06-13-2012
08-28-2012
11:57 PM
by
AndysC3
102
10,466
FUEL SYSTEMS
another 8.1l whipple build still questions
(
1
2
3
4
5
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Last Page
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whippled 8.1l build
on 04-22-2012
08-27-2012
01:51 PM
by
whippled 8.1l build
57
16,486
8-Lug Truck Performance
2 Bar EFILIVE OS upgrade
NegraRCSB2X4auto
on 08-18-2012
08-23-2012
11:42 PM
by
NegraRCSB2X4auto
3
890
Tuning, Diagnostics, Electronics, and Wiring
HELP..! 2006 8.1L ALLISON TRANS 4x4
400ss
on 08-08-2012
08-10-2012
03:06 PM
by
Chevy_freak
3
1,632
Tuning, Diagnostics, Electronics, and Wiring
8.1L marine 42lb injectors
AndysC3
on 07-26-2012
07-30-2012
07:36 PM
by
AndysC3
6
1,061
GM Parts Classifieds
Best mileage 8.1
(
1
2
3
)
Txsasquatch
on 06-10-2012
07-26-2012
10:10 PM
by
330oldsmobile
20
6,955
8-Lug Truck Performance
Long tubes and economy?
(
1
2
)
custm2500
on 06-26-2012
07-08-2012
10:43 AM
by
custm2500
13
39,021
GM Engine & Exhaust Performance
locking header bolts 8.1l
Kerr
on 03-09-2012
07-02-2012
09:22 AM
by
Kerr
5
1,941
8-Lug Truck Performance
8.1l whippled WONT START rebuilt motor
(
1
2
3
4
)
whippled 8.1l build
on 05-31-2012
06-21-2012
03:33 PM
by
whippled 8.1l build
33
4,361
FORCED INDUCTION
8.1l whipple plus turbo
(
1
2
3
)
whippled 8.1l build
on 06-04-2012
06-12-2012
09:48 PM
by
whippled 8.1l build
22
5,879
FORCED INDUCTION
pcv system on 8.1L 496 advice
1 FMF
on 05-31-2012
05-31-2012
11:43 PM
by
AKlowriderZ71
1
5,918
INTERNAL ENGINE MODIFICATIONS
8.1l turbo, crank case pressure? help?
Kerr
on 08-30-2011
05-31-2012
11:11 PM
by
1 FMF
6
14,725
FORCED INDUCTION
8.1l whipple/ kennybell
whippled 8.1l build
on 05-22-2012
05-22-2012
08:17 PM
by
whippled 8.1l build
4
1,446
FORCED INDUCTION
new turbo needs injector upgrade
(
1
2
)
smdusaf
on 05-07-2012
05-15-2012
09:59 PM
by
whippled 8.1l build
11
2,065
FORCED INDUCTION
8.1L Marine Injectors: Where to buy?
AlwaysFollowed
on 05-05-2012
05-11-2012
08:20 PM
by
01SUBCT
4
13,144
GM Engine & Exhaust Performance
6.0L to 6.6L DMAX Swap
Ron Glick
on 04-23-2012
04-27-2012
05:10 AM
by
xx_ED_xx
4
3,030
8-Lug Truck Performance
EGR block off? on a 8.1L
Kerr
on 12-08-2010
04-23-2012
01:19 PM
by
whippled 8.1l build
5
12,767
8-Lug Truck Performance
8.1L engine with Raylar heads
tjwong
on 12-12-2005
04-16-2012
05:02 PM
by
xx_ED_xx
9
7,543
8-Lug Truck Performance
craming a 8.1l in a 72 blazer
(
1
2
3
4
5
)
truckrunner67
on 03-06-2012
04-07-2012
06:14 PM
by
xx_ED_xx
41
7,608
GM Drivetrain & Suspension
Suggestions for next mods after blower
Bama2door
on 03-09-2012
03-22-2012
12:01 AM
by
Bama2door
7
1,267
FORCED INDUCTION
LS3 injectors
NextLevel
on 03-16-2012
03-17-2012
10:59 AM
by
Bama2door
1
3,173
GM Engine & Exhaust Performance
8.1l Raylar heads and forged short block.
(
1
2
)
TieRod
on 03-03-2012
03-16-2012
02:33 PM
by
xx_ED_xx
10
4,867
GM Parts Classifieds
My 8.1 Silverado project
(
1
2
3
4
5
...
Last Page
)
xx_ED_xx
on 11-26-2009
03-14-2012
10:32 PM
by
JoeyGC5
57
28,269
PROJECTS GALLERY
is this turbo good for my goals?
(
1
2
)
Cammed4ever
on 03-13-2012
03-14-2012
03:39 PM
by
stock48
10
2,109
GM Engine & Exhaust Performance
01 8.1L build up suggestions.
(
1
2
3
4
)
Kerr
on 09-23-2010
03-12-2012
07:20 PM
by
xx_ED_xx
30
14,896
8-Lug Truck Performance
TOG The Other Guys 8.1 Headers for sale
(
1
2
3
)
xx_ED_xx
on 07-19-2011
01-27-2012
05:24 PM
by
xx_ED_xx
24
8,780
8-Lug Truck Performance
making a stand alone harness
(
1
2
)
delreyss
on 01-02-2012
01-09-2012
08:46 PM
by
KIFER88
14
15,026
Tuning, Diagnostics, Electronics, and Wiring
AutoCal Tuning?
Ferocity02
on 01-04-2012
01-08-2012
08:03 AM
by
cdub81
6
4,025
Tuning, Diagnostics, Electronics, and Wiring
8.1L bucking then die
usaf_hess
on 10-11-2011
12-18-2011
04:22 AM
by
usaf_hess
9
2,389
8-Lug Truck Performance
8.1l injector?
Nflddog1000
on 12-15-2011
12-15-2011
07:26 PM
by
SweetS10V8
1
938
GM Engine & Exhaust Performance
8.1L turbo suburban track times.
(
1
2
)
Kerr
on 09-19-2011
11-28-2011
02:42 PM
by
hog
10
7,237
8-Lug Truck Performance
8.1L cam selection
Kerr
on 06-01-2008
11-23-2011
06:28 PM
by
sand man
7
23,324
INTERNAL ENGINE MODIFICATIONS
Weird noice and vibration HELP!!!
Dgrown
on 11-15-2011
11-15-2011
07:00 PM
by
Dgrown
3
1,168
GM Drivetrain & Suspension
8.1 long tube headers
usaf_hess
on 11-11-2011
11-12-2011
11:53 AM
by
usaf_hess
3
3,045
8-Lug Truck Performance
Anyone else have rich idle issues with 42/44lb 8.1L marine injectors
(
1
2
3
4
)
BlackGMC
on 11-04-2011
11-10-2011
11:18 AM
by
BlackGMC
39
4,802
Tuning, Diagnostics, Electronics, and Wiring
8.1L Lifter replacement
nathan_
on 10-15-2011
11-09-2011
08:14 PM
by
nathan_
5
23,820
8-Lug Truck Performance
02 8.1L w/Allison Transmission Lines
moes04silverado
on 10-18-2010
11-02-2011
11:18 PM
by
xx_ED_xx
3
3,247
8-Lug Truck Performance
8.1l injectors in a 2000 5.3
(
1
2
)
1quickTPI
on 10-29-2011
11-01-2011
01:01 PM
by
grey matter 04
12
6,259
GM Engine & Exhaust Performance
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