81l - PerformanceTrucks.net Forums - Threads Tagged with 81l

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1900, 255h, 496, 60, 81l, add, factory, fuel, inline, intank, magnuson, pump, tank, tvs, walbro

In-Tank or In-Line fuel pump?

Whippled 496 on Jan 31, 2006

Feb 1, 2006 11:04 AM
by WaitinToDrag

7

1,155

FORCED INDUCTION

2004, 2010, 81, 81l, exhaust, flo, gm, gmc, loud, motor, muffler, mufflers, pro, replace, silverado, stock, truck

8.1 Muffler change

sk enterprises on Jan 25, 2006

Jan 28, 2006 09:08 AM
by gonzo 6.2

4

845

GM Engine & Exhaust Performance

2500hd, 81, 81l, cam, chevy, custom, economy, efficiency, fuel, gains, liter, mileage, performance, performancefuel, sbc, tune, upgrades

8.1 Upgrades for Performance / Fuel Economy

sk enterprises on Jan 17, 2006

Jan 18, 2006 10:21 AM
by Kerr

3

10,032

GM Engine & Exhaust Performance

1144, 224, 566, 81l, injectors, l76, l92

222/224 .566/.568 on 112 injectors?

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1 2 3)

negativeswitches on Dec 21, 2005

Jan 4, 2006 10:25 AM
by negativeswitches

21

2,057

GM Engine & Exhaust Performance

81l, beam, heads, profiler, raylar, rods

8.1L ??????'s

chutto on Dec 31, 2005

Jan 1, 2006 11:31 AM
by TieRod

2

974

INTERNAL ENGINE MODIFICATIONS

8.1L whipple 4door z71 2500

02sierraz71_5.3 on Dec 29, 2005

Dec 29, 2005 06:17 PM
by 02sierraz71_5.3

0

546

GMT 800 & Older GM General Discussion

2500hd, 81, 81l, badges, truck, turbos, twin

Track vid of sprayed 8.1l

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1 2)

TieRod on Dec 12, 2005

Dec 14, 2005 11:50 PM
by BadAssChevy327

14

1,621

MULTIMEDIA (truck related)

2003, 2010, 310y, 48l, 81l, asm, doug, gmc, header, headers, jba, reviews, shorties, silverado, thorley, triy, yukon

Doug Thorley

Desert Reaper 5.3 on Dec 11, 2005

Dec 12, 2005 07:28 PM
by ASkipper

8

1,215

GM Engine & Exhaust Performance

020601035, 2001, 2005, 81, 81l, bolts, change, chevy, engine, gm, gmc, intake, oil, silverado, specs, torque

8.1l

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1 2)

moes04silverado on Nov 7, 2005

Nov 7, 2005 05:59 PM
by moes04silverado

15

17,913

GM Engine & Exhaust Performance

2500hd, 53l, 62l, 81, 81l, banks, build, sizing, sts, truck, tubes, turbo, turbos, twin, z28

Twin turbo 8.1l Pics

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1 2 3)

TieRod on Oct 30, 2005

Nov 5, 2005 01:23 PM
by Gran Patron

20

29,892

FORCED INDUCTION

Cammed 8.1L

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1 2)

TieRod on Oct 17, 2005

Oct 18, 2005 06:51 PM
by Gran Patron

11

1,214

MULTIMEDIA (truck related)

sea foam

mason110 on Oct 5, 2005

Oct 9, 2005 07:08 AM
by 02BigBlock

9

1,946

GMT 800 & Older GM General Discussion

496, 496ci, 8100, 81l, big, block, cam, cc, chamber, combustion, computer, intake, late, model, modifications, performance, vortec

late model big block discussion

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1 2)

02sierraz71_5.3 on Sep 23, 2005

Sep 25, 2005 10:22 AM
by TieRod

19

2,548

GM Engine & Exhaust Performance

2004, 60, 81, 81l, cooler, filter, hose, motor, needed, oil, pressure, radiator, remote, silverado, support, transmission

8.1L 3500 Radiator into a Silverado 1500 Truck?

Rado01 on Sep 14, 2005

Sep 15, 2005 07:08 AM
by Rado01

3

9,294

GM Engine & Exhaust Performance

8100, 81l, clips, exhaust, gm, sound, sounds

8100 sound clips?

Kerr on Aug 24, 2005

Aug 25, 2005 11:30 PM
by TieRod

5

766

GM Engine & Exhaust Performance

25343789, 81, 81l, delphi, flow, forum, gm, injector, injectors, marine, number, part, performance, ratings, truck

Confusion on 8.1L Injector Part#

Deckhand on Aug 18, 2005

Aug 19, 2005 07:48 AM
by rosscob

2

1,770

GM Engine & Exhaust Performance

01, 32, 81, 81l, failure, forum, injector, injectors, it, lbs, problem, worth

uppdate on 8.1L injectors

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1 2 3)

02sierraz71_5.3 on Jul 29, 2005

Aug 11, 2005 04:42 PM
by Deckhand

23

2,750

INTERNAL ENGINE MODIFICATIONS

2004, 81, 81l, chevy, liter, location, ltr, pcm, performance

Where is the pcm located on a 8.1 liter?

5.3litre on Aug 5, 2005

Aug 6, 2005 10:10 AM
by TieRod

2

1,458

GM Engine & Exhaust Performance

2001, 264, 81, 81geting, 81l, cam, cams, chevy, comp, exhaust, fire, fuel, lightning, ports, rayler, silverado, small, svt

Getting the 8.1

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1 2)

Lou Miller on Jul 25, 2005

Jul 29, 2005 11:21 PM
by TieRod

19

3,057

GM Engine & Exhaust Performance

2715, 81l, 96, 9603, gm, model, performance, programer, programmer, silverado, superchip, superchips, trucks, tuning, z28

Superchips Programmer for 96-03 Gas motors, model 2715

ls14jay on Jul 16, 2005

Jul 24, 2005 07:15 PM
by ls14jay

6

4,914

GM Parts Classifieds

anybody have a Tunercat tune for 8.1L

lifted99GMC on Jun 15, 2005

Jun 15, 2005 10:06 PM
by lifted99GMC

0

494

GM Engine & Exhaust Performance

Video of the big 8.1L

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1 2)

TieRod on May 27, 2005

May 29, 2005 10:31 AM
by Squirrelmaster

11

1,391

GMT 800 & Older GM General Discussion

81, 8100, 81l, ap, avalanche, cam, chevy, comp, criminal, engine, engineering, fraud, high, performance, tune, xr270

High Performance 8.1

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1 2)

miket on Aug 11, 2004

May 27, 2005 10:01 PM
by 2CHEVYs

13

3,377

GM Engine & Exhaust Performance

81, 81l, buchholtzcpacom, discharge, intercooler, intercoolers, modify, plumbing, silverado, whipple

Whipple Intercooler?

(

1 2)

rosscob on May 22, 2005

May 25, 2005 08:22 AM
by rosscob

12

1,505

GM Engine & Exhaust Performance

2005, 81, 81l, body, cam, caps, chain, chevy, double, hitting, largest, main, motor, pics, sesnor, throttle, timing

I'm a little further along on my 8.1l pix

TieRod on May 14, 2005

May 14, 2005 05:55 PM
by TieRod

6

1,640

8-Lug Truck Performance

8.1L STS help please

tmf6902 on May 6, 2005

May 7, 2005 04:29 PM
by Visionxorb

7

774

GM Engine & Exhaust Performance

2002, 81, 81l, air, flow, gm, gmc, iatmaf, inaccurat, litre, maf, mass, maxing, reading, scaling, sensor, tunercat

Suggestions...MAF sensor is maxing out above 5100 rpms!

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1 2 3)

(Ken)-Blown-383 4x4 on May 2, 2005

May 5, 2005 04:21 AM
by Stroker 1500

23

4,313

GM Engine & Exhaust Performance

81l, firehawk, harlan, injectors, marine, turbo, twin

FS: 8.1L marine injectors

y2khawk on Apr 26, 2005

Apr 27, 2005 05:25 PM
by CAMMIN03'

7

898

GM Parts Classifieds

04, 2002, 2004, 454, 81, 81l, 99, avalanche, average, duramax, gas, mileage, mpg, z71

MPG.... 8.1 vs. Duramax

99FireTA on Apr 20, 2005

Apr 21, 2005 05:57 AM
by ap2002

5

932

GM Engine & Exhaust Performance

81, 81l, 81loilfiltertreadsize, adapter, adaptor, big, block, cooler, discussions, filter, gm, mark, oil, remote, thread, threads

8.1L oil filter adapter, which one?

handfulz28 on Apr 15, 2005

Apr 15, 2005 01:40 PM
by handfulz28

0

664

GMT 800 & Older GM General Discussion

81, 81l, dies, driving, engine, quits, running

Need Help! Truck dies while driving....

smiths_3 on Apr 11, 2005

Apr 11, 2005 07:23 PM
by smiths_3

2

611

GM Engine & Exhaust Performance

2501, 81, 81l, flo, flopro, flow, free, hd, installing, muffler, mufflers, pro, rating, reviews, test

I may score a FREE Flo Pro muffler!

(

1 2)

Ram4Pick on Mar 24, 2005

Mar 26, 2005 08:05 PM
by Faze2183

13

2,269

GMT 800 & Older GM General Discussion

2001, 2500, 81, 81l, avalanche, burn, burning, burns, chevy, engine, liter, location, oil, pcv, vortec

does your 8.1L burn oil?

lifted99GMC on Mar 20, 2005

Mar 21, 2005 05:59 PM
by lifted99GMC

5

7,960

GM Engine & Exhaust Performance

1500, 2004, 2005, 255, 4993, 81l, chevy, fuel, fuelpump, gmc, gss340, pump, siera, sierra, silverado, upgrade, walbro

intank walbro fuel pump?

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1 2)

moregrip on Mar 12, 2005

Mar 14, 2005 01:12 PM
by MY LS WON

11

2,164

GM Engine & Exhaust Performance

2500hd, 81, 81l, 82l, alchol, big, chevrolet, fbody, injection, methanol, power, raylar, sts, tierod, turbo

8.1L Big Power is here!!!!

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1 2)

TieRod on Feb 25, 2005

Mar 6, 2005 09:50 PM
by TieRod

12

3,325

8-Lug Truck Performance

2005, 2500hd, 81, 81l, bolt, chevy, forum, headers, liter, long, ons, program, stainless, tube, works

Need your thoughts on these 8.1L "bolt-ons"

handfulz28 on Mar 4, 2005

Mar 5, 2005 09:26 AM
by TieRod

3

830

GMT 800 & Older GM General Discussion

quick question about wheels

lifted99GMC on Mar 1, 2005

Mar 1, 2005 09:42 PM
by lifted99GMC

4

523

GM Engine & Exhaust Performance

2004, 6l, 81l, delay, enrichment, lq4, m300, plx, power, pulling, rpm, silverado, ss, table, timing, wideband

Truck pulling power 60-75mph. Need help.

(

1 2)

CashDudeHomie on Feb 25, 2005

Feb 28, 2005 12:42 PM
by Steve Bryant

11

1,687

GM Engine & Exhaust Performance

48l, 60, 60l, 81l, bigger, buy, cheapest, injectors, marine, place, spot, vortec

Best place to buy bigger Injectors???

8100hammer on Feb 27, 2005

Feb 27, 2005 10:42 PM
by Mort

3

825

GMT 800 & Older GM General Discussion

Is 8.1L a gen III motor

Silverado_L31 on Feb 21, 2005

Feb 21, 2005 10:22 PM
by TieRod

3

613

GM Engine & Exhaust Performance

4l85e, 81, 81l, adjustable, computer, crank, engine, h1, hummer, mercruiser, reprogram, stroker, swap, train, valve, vortec

I Need Some 8.1 Spec.'s

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1 2 3)

HanSolo0260 on Oct 28, 2004

Feb 8, 2005 05:11 PM
by TieRod

29

4,408

GM Engine & Exhaust Performance

2300, 2300ax, 81, 81l, ax, bervil, bracket, chevrolet, conversion, dyno, liter, pulley, specs, supercharger, turbo, whipple

New dyno numbers

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1 2 3)

L-EATER on Jan 13, 2005

Feb 3, 2005 11:00 PM
by Yellowsierra

28

2,878

GM Engine & Exhaust Performance

01, 81, 81l, 82l, allison, chevrolet, engine, management, nitrous, performance, silverado, torque, truckscom, tune, turbo

8.1L silverado.....? tried...

mgm5886 on Jan 10, 2005

Jan 11, 2005 08:06 AM
by 8100hammer

2

867

GM Engine & Exhaust Performance

2500, 60, 60l, 81, 81l, denali, headers, locker, long, obx, reviews, suburban, whipple, xl, yukon

Yukon Denali XL 6.0 vs Suburban 2500 8.1L?'s

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1 2)

01Tahoetwinscrew on Dec 25, 2004

Dec 29, 2004 11:20 PM
by 01Tahoetwinscrew

10

10,037

GM Engine & Exhaust Performance

2001, 2500hd, 81, 81headers, 81l, allison, chevy, dyno, gm, headers, long, silverado, stainless, tube, works

Stainless Works 8.1 headers

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1 2)

tbyrne on Oct 15, 2004

Nov 23, 2004 10:59 AM
by tbyrne

13

3,031

GM Engine & Exhaust Performance

1967, 53l, 8100, 81l, cam, cammed, chevy, drop, good, installing, older, pickup, swb, truck, turbo, twin, vortec

vortec 8100 in my 1967 SWB pickup

busta9876 on Nov 3, 2004

Nov 6, 2004 12:46 PM
by 8100hammer

6

1,718

GM Engine & Exhaust Performance

04, 2500, 81, 81l, avalanche, exhaust, forum, forums, headers, performance, stainless, trucks, works

Avalanche 2500 8.1L ??

04BlackSilverado on Oct 25, 2004

Oct 28, 2004 02:57 AM
by flossinon_24s

9

1,235

GMT 800 & Older GM General Discussion

2001, 2500hd, 81l, 98, cam, camaro, camero, chevy, crankshaft, hemi, info, relearn, replace, replacing, sensor

Replacing Crankshaft sensor

8100hammer on Oct 17, 2004

Oct 17, 2004 08:13 PM
by TieRod

1

1,034

GM Engine & Exhaust Performance

2003, 2004, 53l, 60, 60l, 81, 81fuel, 81l, fit, magnacharger, mileage, suburban, supercharger, vs, whipple, yukon

6.0l Burban vs. 8.1l Yukon

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1 2)

DrHoho02 on Aug 19, 2004

Oct 14, 2004 08:41 AM
by snoman

19

6,496

GM Engine & Exhaust Performance

2010, 81, 81l, 81ltr, chevrolet, chevy, gm, httpwwwls1techcomaffiliatestruckforumsshowthreadphpt225356, injector, injectors, rating, ratings, size, stock

8.1 ltr injector size

SprayJ on Oct 9, 2004

Oct 9, 2004 07:03 PM
by SprayJ

2

1,159

GMT 800 & Older GM General Discussion

2500, 800, 800hp, 81, 81l, chevy, gm, hp, motor, sale, silverado, ss, wait4me

800hp Brand New Silverados (Gauging interest)

(

1 2 3 4 5)

Woody99 on Sep 29, 2004

Oct 1, 2004 01:41 AM
by Woody99

48

4,647

GM Engine & Exhaust Performance

2001, 2500hd, 34, 81, 81l, avalanche, chevy, crank, forged, gas, headers, major, mileage, motor, pistons, problems, ton, vortec

A few general questions about the 8.1L

lifted99GMC on Sep 20, 2004

Sep 20, 2004 07:58 PM
by 8100hammer

6

682

GM Engine & Exhaust Performance

81, 81l, gm, sale, supercargers, supercharger

Sale on Radix Superchargers!!!

Speed Engineering on Aug 19, 2004

Aug 19, 2004 06:45 PM
by Chevmann99

4

633

GM Engine & Exhaust Performance

171, 185, 2000, 81l, arm, cams, crane, ratio, replace, rocker, rockers, stock, vhp, vortec6000, yukon

Camshaft and Rocker arm upgrades

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1 2)

TwoFast on Aug 6, 2004

Aug 9, 2004 06:58 AM
by Ryan04Silverado

15

1,573

GM Engine & Exhaust Performance

2500hd, 81, 81l, big, chevy, engine, free, gm, improve, l18, mods, performance, power, raylar, tbyrne, vortec, whipple

Big Power mods for the 8.1 motor!

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1 2)

tbyrne on Aug 1, 2004

Aug 8, 2004 08:40 AM
by 8100hammer

12

16,351

GM Engine & Exhaust Performance

2004, 270, 81, 81l, cam, chevy, comp, idle, lifters, loping, roller, sale, stumble, throttle, tip, xr, xr270

Stabbed the 8.1!!!

8100hammer on Jul 26, 2004

Jul 27, 2004 08:22 PM
by TieRod

9

1,071

GM Engine & Exhaust Performance

2500, 81, 81l, avalanche, charger, chevrolet, chevy, injectors, magna, magnachager, magnacharged, magnacharger, marine, mount, side, supercharger

8.1L injectors for sidemount Magnacharger

DrHoho02 on May 24, 2004

May 25, 2004 08:47 AM
by greentahoe

7

1,164

GM Engine & Exhaust Performance

2000, 6000, 81l, camshaft, cast, engine, headers, intake, iron, lq4, manifold, marine, performance, ported, vortec

Marine Vortec 6000 Intake Manifold

Steve Bryant on Apr 2, 2004

Apr 3, 2004 11:25 PM
by Steve Bryant

3

2,293

GM Engine & Exhaust Performance

2003, 81, 81l, 8cylinder, diesel, engine, phased

Replacement for the 8.1L?

(

1 2)

01Z71GMC on Feb 13, 2004

Feb 25, 2004 06:35 AM
by Flem

18

1,317

GM Engine & Exhaust Performance

60, 60l, 81, 81l, avalanche, chevy, conversion, engine, gm, heads, maine, raylar, silverado, swap, swapping

6.0L swap vs 8.1L swap

(

1 2)

01Z71GMC on Feb 10, 2004

Feb 21, 2004 11:31 AM
by Raylar

14

15,264

GM Engine & Exhaust Performance

Longtube Headers?

(

1 2 3 4 5)

4.8redchev on Jan 2, 2004

Jan 10, 2004 10:42 PM
by Steve Bryant

41

4,269

GM Engine & Exhaust Performance

14, 2500hd, 60l, 81l, cgange, mile, time

Diff between 6.0l+8.1l???

(

1 2 3)

Noyzee on Dec 8, 2003

Dec 14, 2003 01:05 PM
by Noyzee

25

2,530

GM Engine & Exhaust Performance

2001, 81, 81l, 81liter, charger, comparison, engine, gm, kits, liter, motor, paxton, super, supercharger, superchargers

Paxton supercharger for the 8.1

tbyrne on Oct 15, 2003

Oct 15, 2003 04:24 PM
by tbyrne

0

7,820

GM Engine & Exhaust Performance

15058682, 81, 81l, gm, radiator, radiators

Anybody need a 8.1L radiator?

kbronSS on Sep 16, 2003

Sep 16, 2003 11:27 PM
by kbronSS

2

991

GM Engine & Exhaust Performance

496, 81, 81l, cam, cams, camshaft, head, hp3, marine, power, rockers, roller, specs, truck, vs

Anyone cam their 8.1L?

ShortCrew on Aug 29, 2003

Aug 30, 2003 01:14 PM
by Hit Man X

2

3,820

GM Engine & Exhaust Performance

81, 81l, arizona, bolts, intake, manifold, marine, speed

8.1L guys, get in here!!!!

Slowverado on Aug 23, 2003

Aug 23, 2003 08:26 PM
by Slowverado

0

1,031

GM Engine & Exhaust Performance

37, 81l, canada, chevy, edit, factory, flow, forum, injector, injectors, ls1, racetronix, rates, shops, specs, strok, tuning

ls1 edit 8.1l injector values

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1 2 3 4)

METAL MAN on Jul 22, 2003

Jul 29, 2003 03:33 AM
by Racetronix

37

9,736

GM Engine & Exhaust Performance

2003, 25176061, 81l, 9900, area, chevrolet, dallas, flow, gmc, injector, offsets, owner, rate, sierra, suburban, tx

Attention all 99-00 radix owners!

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1 2 3)

Will on Jul 26, 2003

Jul 27, 2003 04:32 PM
by creederado

21

2,040

GM Engine & Exhaust Performance

2500hd, 81, 81l, gas, gm, headers, mileage, mod, modifications, mods, perfomance, performance, performancetrucks, tog, whipple

Advice needed for performance mods on my 8.1L

ShortCrew on Jun 24, 2003

Jun 25, 2003 01:20 PM
by Neil 6.0

3

1,020

GM Engine & Exhaust Performance

2002, 2500hd, 60, 60l, 81, 81l, chevy, cost, duramax, gm, litre, motor, rebuild, rebuilding, rebuilt, swap

Rebuild 6.0L or swap in 8.1L?

cdhd2001 on Jun 19, 2003

Jun 20, 2003 07:25 AM
by parish8

4

1,823

GM Engine & Exhaust Performance

2500hd, 81, 81l, 81performance, belt, chevy, forums, gm, gmc, heads, parts, performance, slips, supercharger, tbyrne, trucks, whipple

8.1 performance parts...where are they???

PSM on Jun 8, 2003

Jun 9, 2003 01:07 PM
by Hit Man X

5

19,083

GM Engine & Exhaust Performance

2000, 2001, 48, 53, 60, 81l, blower, ca, chevy, intercooled, intercooler, mike, olane, superchargers, trucks, whipple

Intercooled Whipple info...

Hit Man X on May 22, 2003

May 23, 2003 11:21 AM
by Hit Man X

6

1,075

GM Engine & Exhaust Performance

2002, 2004, 2500, 2500hd, 500hp, 81, 81l, exhaust, gmc, hd, headers, magnacharger, mods, perfomance, radix

Picking up 03 2500HD 8.1L

93LT1Z on Apr 15, 2003

Apr 17, 2003 09:05 AM
by tbyrne

4

684

GM Engine & Exhaust Performance

02, 81, 81l, air, airraider, chevy, fipk, intake, intakes, mod, raid, sct

Air Intakes for 8.1L which one????

Mike TexaSS on Apr 9, 2003

Apr 12, 2003 11:12 PM
by GREGGO

3

1,241

GM Engine & Exhaust Performance

2002, 2500hd, 81, 81l, chevy, dfw, dyno, exhaust, flo, forum, headers, ls1, muffler, pro, tuning

8.1L dyno numbers

OVER TORQUED on Jan 19, 2003

Jan 26, 2003 10:57 AM
by OVER TORQUED

6

5,030

GM Engine & Exhaust Performance