Threads Tagged with 81

81, 8100, barrel, consumption, development, dyno, engine, fuel, instrument, intake, l18, motor, raylar, results, specific, tune, vortec

Difference in 8.1 engine's 01-07

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1 2 3)

1SloLQ9 on 11-10-2013

08-24-2021 05:32 PM
by JoshuaFoster

24

85,063

04, 81, 81l, avalanche, big, block, chevy, fury, headers, installing, long, stainless, truck, tubes, works

will regular BBC headers work on 8.1L?

lifted99GMC on 03-24-2005

03-25-2021 07:42 PM
by terravast4

6

13,831

2003, 2500, 81, 81l, engine, forums, gmc, hd, liter, noise, push, revved, rods, rokers, ticking

02 8.1l knocking/ticking HELP

2500HD8.1 on 12-16-2012

03-10-2020 03:30 PM
by Brandon Walbeck

8

17,763

206, 23, 31253754, 496, 81, adding, camshaft, dart, ho, intake, ported, raylar, spec, stock, whipple

My ongoing 8.1 adventures...

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xx_ED_xx on 04-30-2013

08-04-2019 02:00 PM
by LCDR

132

73,554

2001, 2004, 81, 81l, chevy, dual, engines, exhaust, fuel, gmc, improement, improvement, mileage, mpg, programmers, saving, upgrades, vortec

8.1L Fuel Improvement/power upgrades

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1 2)

moes04silverado on 12-25-2010

06-03-2018 07:32 PM
by Michael Coleman

14

103,812

02, 03, 2002, 2500, 2500hd, 81, 81l, antifreeze, changing, chevy, leak, leaking, leaks, oil, smell, tranny

HELP...8.1 Loosing Coolant!!!

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1 2 3)

Ender06 on 03-14-2009

03-18-2018 12:10 PM
by TonyT

29

46,586

12, 81, bolt, chevy, end, posi, rear, silverado, slicks, stock, truck

10 Bolt 3.90 Eaton Posi Rear Axle, Caltracs, Slicks & Skinnies

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1 2 3)

Johnmaster on 05-03-2014

09-20-2016 11:34 AM
by Mrice

20

8,300

02, 1500, 2013, 81, bad, c1500, chevy, dodge, engines, fuel, hemi, marine, octane, performance, rating, running, startup, upgrades, vortec

8.1 vortec 110 octane

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1 2)

8.1boss on 04-07-2013

01-28-2016 06:32 PM
by jonny5cam

11

4,346

2002, 81, 81l, avalanche, bootheredneck, chevy, code, gm, line, p1220, p1221, p1221a, signal, tps

TPS and Tach Signals

BooTheRedneck on 03-20-2006

10-27-2015 08:36 PM
by Velocity1

8

2,406

2006, 496, 59920, 81, 81l, flow, gm, headers, install, magnaflow, muffler, obtain, pics, stainlessworks, vararam

8.1L StainlessWorks Headers are ordered!!!

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Whippled 496 on 01-26-2009

07-02-2015 10:07 PM
by Whipped383

106

29,973

2011, 81, adder, ford, gm, injector, injectors, marine, multec, offset, pulse, pulsing, short, truck, width, wiki

8.1 marine / multec 2 voltage offset, short pulse adder, and min pulse width

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1 2)

Jim_PA on 03-18-2011

06-04-2015 10:00 AM
by 03sierraslt

19

7,947

(((((( 8.1 injectors )))))!!!

bohr898 on 10-17-2012

04-23-2015 08:48 AM
by xx_ED_xx

3

1,240

496, 81, 81l, big, block, cam, efilive, headers, heads, jeep, raylar, tuning, upgrades, vortec, wiki, xr270hr

Vortec 8.1 Performace Help

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1 2)

OMalley on 03-24-2006

03-23-2015 08:03 PM
by Modifyit15

14

22,268

Chevy 8.1 #31 injector fs

nickpc82 on 12-15-2012

03-23-2015 06:12 AM
by Gordo_Jr

9

1,281

2500, 2500hd, 81, allison, chevy, crank, crankshaft, driving, ecm, gmc, position, relearn, replacing, sensor, shuts, sierra

8.1 Shuts off while driving

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1 2)

Red95Formula on 03-11-2008

03-14-2015 03:04 PM
by thagodfusion

11

15,852

81, 81l, 93, headers, long, octane, power, stainless, tube, tune, vortec, works

8.1 Tune vs Tune+Headers

Vortec8100 on 02-12-2014

01-31-2015 01:30 AM
by TIMINATOR

8

33,836

81, 81l, finally, flow, heads, intake, manifold, modification, numbers, ported, porting, poted, stock, torque

Finally! Modified Stock 8.1L Intake Manifiold Numbers!

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1 2)

Raylar Engineering on 05-28-2014

12-23-2014 08:25 PM
by xx_ED_xx

19

25,905

10.4l

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1 2 3 4)

vulcanraven on 09-13-2013

12-23-2014 03:26 PM
by Kerr

38

22,039

81, 93, bypass, disconnect, electronics, mail, nelson, performance, plug, silverado, spark, tune, tunes, valve, whipple

nelson tune for whipple

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1 2 3 4 5 ... Last Page)

HAZE on 05-20-2004

12-09-2014 05:58 PM
by craigsix

98

20,924

04, 12575182, 12575183, 2001, 2004, 2500hd, 81, 81cam, cam, chevy, crankshaft, gmc, pc340, sale, sensor, smp

8.1 cam sensor discontinued???

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1 2)

SchwarzBiest on 03-06-2013

11-18-2014 04:09 PM
by Raylar Engineering

15

47,538

1500, 81, bbc, big, chevy, ideal, mounting, sale, silverado, turbo, turbo81tv8101, turbocharger, turboed, tv8101, wiki

BIG Turbo TV8101 on BBC in 2004 1500 Silverado

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xx_ED_xx on 07-11-2010

08-20-2014 07:45 AM
by xx_ED_xx

96

39,881

FORCED INDUCTION

8.1L with a Comp Cam, who has it???

Ender06 on 05-09-2014

07-15-2014 03:19 PM
by Kerr

9

9,386

Trucks and SUV Classifieds

2000, 243, 3600, 57, 81, 9902, crashed, heads, impression, job, k3500, lq4, performance, powered, silverado, swap, vbulletin, yank

figured id start a build thread since stuffs getting done

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2doorfury on 04-25-2012

06-03-2014 06:13 PM
by 2doorfury

106

24,285

PROJECTS GALLERY

03, 2003, 2500, 2500hd, 81, 81l, chevy, ecsb, gmc, performance, sale, supercharged, supercharger, truck, whipple

2003 2500HD ECSB 8.1L Whipple Supercharged

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1 2)

Whippled 496 on 02-04-2014

03-25-2014 05:33 PM
by Whippled 496

14

19,356

8.1 Custom Intake Manifold

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1 2)

Ender06 on 02-23-2014

03-03-2014 08:33 PM
by FatFut

11

13,892

01suburban, 400, 81, 81l, boost, comparison, economy, engine, fuel, gas, ib, k2500, mileage, suburban, trans

01 Suburban K2500, 8.1L... MPG comparisons

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1 2)

Ronich69 on 01-05-2014

02-22-2014 08:26 PM
by RezinTexas

15

6,484

2004, 203, 2500, 60, 81, 81liter, aftermarket, bp, cam, engineering, hd, headers, inch, intake, lift, liter, lopey, manifold, raylar, stainless, works

My 8.1

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1 2)

02_2500avalanche on 01-15-2014

01-30-2014 11:44 AM
by 02_2500avalanche

19

22,843

203, 81, bp, bp202, bp203, cam, cams, comp, dyno, raylar, records, spec, video, vortec, xr264hr

Who has used a xr264hr Cam in a 8.1? Please chime in

1SloLQ9 on 11-25-2013

01-10-2014 10:06 AM
by Kerr

5

10,411

8.1 Tuning with EFI Live

offroad00 on 11-13-2013

12-16-2013 09:10 AM
by offroad00

6

1,966

42lb 8.1 Marine Injectors

sbw9056 on 12-03-2013

12-12-2013 11:35 AM
by sbw9056

4

863

2500hd, 81, big, block, cfm, clutch, custom, electric, fan, fans, gmc, rating, stuck, tow, truck

Electric fan on 8.1 avalanche

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1 2)

1SloLQ9 on 11-18-2013

12-10-2013 07:57 PM
by 01WS6/tamu

18

12,459

2001, 2500hd, 81, 81l, big, block, boat, chevy, gain, gmc, hd, headers, hp, sierra, silverado, stainless, works

Big Block 8.1 Headers w/2" Primaries

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1 2 3)

Stainless Works on 06-25-2012

10-24-2013 06:43 AM
by yooperLS6

23

23,697

81, blackbear, front, lq4, mount, pvc, turbo

HELP! Turbo truck not running right

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BGERALD on 08-28-2013

09-03-2013 03:50 PM
by whippled 8.1l build

42

4,983

FORCED INDUCTION

2001, 60, 81, conversion, converting, dbw, disconnect, silverado

Ever seen a 2001 Silverado w/DBW??

Deuce on 08-05-2013

08-06-2013 04:11 AM
by oakley6575

5

4,261

FUEL SYSTEMS

02, 07, 81, 81l, adjust, bigger, cam, compensate, fuel, general, increase, injectors, made, motors, pressure, regulator

8.1 fuel pressure and injector question

OMalley on 07-23-2013

08-05-2013 09:49 PM
by OMalley

8

15,518

INTERNAL ENGINE MODIFICATIONS

Looking to buy 8.1 injectors??

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1 2)

Brandon Bogert on 08-03-2013

08-05-2013 12:42 PM
by kelsey_canard

16

2,232

FUEL SYSTEMS

50psi, 81, 81l, drops, engine, liter, litre, low, mercruiser, modifications, oil, operating, pressure, rebuit, wot

8.1l rebuilt engine low oil pressure

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1 2)

whippled 8.1l build on 05-21-2013

07-07-2013 02:42 PM
by 02_2500avalanche

13

14,402

81, chevy, engine, loose, oil, pan, pickup, rattle, rattling, rod, silverado

Oil Pan Rattle

Tx04RST on 06-22-2013

06-30-2013 07:58 PM
by Tx04RST

6

9,802

2000, 2002, 2004, 2500, 81, chevy, electric, electrical, fail, gmc, meziere, pump, sierra, water, wp319s

Electric water pumps

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1 2 3)

moes04silverado on 01-29-2010

06-08-2013 10:03 PM
by ShredSled

24

5,761

2000, 2001, 81, 81l, cam, engine, gm, high, injector, injectors, lbs, mileage, put, rich, silverado, vortec

Explain injectors

Txblue on 05-29-2013

05-30-2013 11:56 AM
by Txblue

6

1,349

1and, 81, 81l, bank, defferance, fan, fuel, liter, paying, performance, powered, professions, raylar, top, trim, vbulletin

8.1L Timing - How low is low?

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1 2)

406jeep on 04-20-2013

05-25-2013 09:42 PM
by 406jeep

17

11,488

383, 81, 97, back, blower, bracket, bucket, chevy, covers, eat, homemade, intake, k1500, low, marine, powered, put, supercharger, vbulletin, whipple

What I bought for the 8.1 starts with W

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1 2 3)

Whipped383 on 10-29-2012

05-04-2013 09:03 AM
by Whipped383

29

9,182

8.1l front mount turbo

whippled 8.1l build on 05-01-2013

05-02-2013 01:50 PM
by whippled 8.1l build

2

723

42, 42lb, 81, 81l, buy, data, flow, fuel, injector, injectors, lb, marine, performancetrucks, size

42lb 8.1L Marine Injectors

406jeep on 05-01-2013

05-01-2013 02:29 PM
by GMCtrk

1

6,712

2004, 48, 81, 81l, bbc, big, dart, intake, length, liter, making, picture, port, pushrod, room, silverado, stroke, whipple

8.1 engine options??

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1 2)

scottybeammeup on 04-24-2013

04-30-2013 03:18 PM
by whippled 8.1l build

14

9,797

8.1 marine injectors for sale

tweeder on 03-25-2013

04-13-2013 03:34 PM
by tweeder

7

1,343

496, 81, allison, ecm, flex, fuel, motor, run

ECM setup for flex fuel

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1 2 3 4)

Ender06 on 02-25-2013

03-25-2013 12:07 PM
by Area47

35

3,875

Custom ground cam 8.1

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1 2)

Kerr on 03-01-2013

03-18-2013 08:49 AM
by Kerr

13

3,554

8.1 tuning files

sparks454 on 03-17-2013

03-17-2013 09:07 AM
by sparks454

0

556

44, 44lbs, 60, 81, data, f150, flow, ford, fuel, injector, injectors, lb, marine, rate, tuning

8.1 marine 44 lbs. injector tune help

kogelch on 02-16-2013

03-13-2013 12:35 PM
by nonnieselman

9

7,189

496, 81, 81engen, dyno, engine, numbers, performance, results

8.1 engine dyno vid

hog on 03-09-2013

03-12-2013 12:24 PM
by hog

4

1,808

2500, 2500hd, 4, 81, 81l, 95, chev, chevy, dually, exhaust, exhuast, gas, gm, inch, k3500, muffler, mufflers, oem

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

8,696

04, 240sx, 2500, 81, chevy, dbc, dbw, lq4, lq9, ls, motor, out, swap, tb, truck

DBW and DBC TB's?

1MeanGreenZ28 on 03-02-2013

03-03-2013 02:37 AM
by Koots

6

4,496

1.8 rockers and cover spacers

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1 2 3)

BigDaddy0381 on 08-02-2012

03-02-2013 02:11 PM
by BigDaddy0381

26

3,320

81, arms, big, block, gen, general, intake, leveling, manifold, motor, motors, mybb, powered, rocker, vi

upgraded 8.1 rocker arms?

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1 2 3)

usaf_hess on 02-15-2013

02-28-2013 08:35 AM
by Kerr

25

19,543

02, 1985, 2013, 81, 81vortec, addon, chevy, kit, performance, sale, supercharger, truck, turbo, twin, vortec

8.1 vortec supercharged?

silverado496 on 02-05-2013

02-26-2013 07:45 PM
by xx_ED_xx

6

3,648

FORCED INDUCTION

8.1 Exhaust

usmc3521 on 01-23-2013

02-25-2013 12:56 PM
by Kerr

5

1,707

need help on building 8.1 liter

stan 8.1 on 12-28-2012

02-25-2013 12:54 PM
by Kerr

6

1,807

GMT 800 & Older GM General Discussion

6.0 vs 8.1?

gmc123 on 01-30-2013

02-19-2013 12:54 PM
by hog

8

10,807

WTB: 8.1 injectors and 80 stall converter

kelsey_canard on 01-31-2013

02-10-2013 01:32 PM
by kelsey_canard

5

467

WTB (Wanted To Buy)

53l, 81, chevy, ground, strap, straps, trucks, virginia

Major Ground Strap ISSUE

Ender06 on 02-06-2013

02-07-2013 02:42 PM
by Ender06

3

1,091

WTB: 8.1 8100 Supercarger

rao on 01-26-2012

01-24-2013 04:54 PM
by rao

4

617

WTB (Wanted To Buy)

2006, 81, 81l, diamond, fastest, forums, jeep, memberphpu, mods, oil, pistons, power, powered, raylar, vbulletin, vortec

Fastest 8.1 Thread...

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xx_ED_xx on 09-20-2010

12-19-2012 11:47 PM
by xx_ED_xx

77

24,743

GM Drivetrain & Suspension

2002, 81, 81l, cab, duramax, gas, liter, regular, standard, swap

8.1l - duramax swap

whippled 8.1l build on 12-18-2012

12-19-2012 08:46 AM
by 03sierraslt

5

2,095

81, cylinder, f150, fire, ford, headers, idle, lightning, mis, misfire, misfires, missfire, ss, trailblazer, truck

P303 random misfire code #7 cylinder!

juicedsierra on 09-18-2010

12-13-2012 11:50 PM
by TexasGMC08

5

2,132

GMT 800 & Older GM General Discussion

Looking for advise on injectors but not the leg work.

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1 2)

kogelch on 11-02-2012

12-11-2012 07:39 PM
by kogelch

11

1,490

FUEL SYSTEMS

180, 81, 81l, additive, additives, benefit, consumption, engine, hemi, high, mileage, oil, thermostat, truckers, trucks

engine oil additives

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1 2 3)

lawdog49 on 03-27-2011

12-11-2012 03:44 AM
by Koots

21

4,969

5spd, 81, 8100, chevy, efi, engine, forum, liter, live, mods, net, parts, performance, silverado, trucks, tuning, vortec

FS: Vortec 8100 Engine 8.1 liter 496 cid

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1 2 3 4)

gen3performance on 09-12-2010

11-10-2012 07:45 PM
by blakvmax

36

13,174

23l, 2500hd, 81, 81l, alternator, install, intercooler, kit, part, relocation, supercharger, tronics, whipple

8.1l whipple feeler

whippled 8.1l build on 10-20-2012

11-05-2012 10:37 AM
by whippled 8.1l build

8

3,974

8.1 32lb injectors for sale, low mileage

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1 2)

1FSTZ71 on 10-11-2012

11-02-2012 10:41 AM
by 1FSTZ71

16

1,955

1l, 2002, 81, 81l, charger, engine, kit, l18, pic, super, supercarger81, supercharged, supercharger, xl, yukon

8.1 supercharger?

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1 2 3)

sand man on 11-18-2011

10-23-2012 08:19 PM
by Whipped383

29

9,901

48, 81, bear, black, blackbear, emails, forum, improvement, nelson, performance, posts4wdrock, power, responding, springswyoming, tune, tuning

Blackbear tune

usmc3521 on 10-09-2012

10-21-2012 10:34 AM
by usmc3521

5

2,148