Threads Tagged with l31

Dynamometer Results & Comparisons

02, 0411, body, calibration, cfm, fpr, fuel, injection, l31, mpfi, pcm, performance, spider, stock, throttle

L31 fuel injection, Performance parts, 0411 PCM

04SilveradoMykk on 03-18-2009

01-27-2021 12:53 PM
by terravast4

2

3,999

GM Parts Classifieds

350, dyno, ebay, headers, injector, kit, l31, mods, performance, pulley, rwhp, rwtq, stock, underdrive, upgrade, vortec

L31 350 Vortec Dyno...Lightly Moded DD

Fast355 on 02-16-2013

10-05-2014 08:55 PM
by Quyonmob

9

36,514

383, efi, fastburn, fuel, gmpp, heads, hotcam, ht383, injectors, intake, l31, lt4, manifold, poppet, sfatekcomimages, vortec

how much hp out of 5.7L vortec

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1 2)

dajodsterman on 03-23-2006

05-03-2014 07:23 PM
by dakotabrad

14

110,301

53, 98, bypass, chevy, computer, door, engine, improver, l31, power, sale, tahoe, truck, whats, z71

98 Tahoe L31 Rebuild

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1 2)

Jonathan Riddle on 12-15-2013

12-27-2013 09:41 AM
by RezinTexas

12

5,323

350, 53, 57l, 96, 97, emissions, engine, ford, harness, headers, k1500, l31, ls1tech, mods, motor, passing, performance, swap, v8, wiring

97 L31 K1500 engine, will 5.3 vortec intake TB ECU etc work?

Stratt134 on 12-11-2013

12-13-2013 05:53 PM
by Slammed96

7

5,965

53, big, block, chevy, external, harness, headers, injected, injector, jet, l31, nitrous, sizing, vortec, water, wet

nitrous and meth

6789olds on 05-28-2013

05-31-2013 11:47 PM
by 6789olds

9

1,848

1999, 2dr, 4l60e, 57, door, exhaust, fuel, headers, intakes, l31, long, mls, performance, savings, shorty, tahoe

5.7 shorty headers?

z-maro on 04-04-2013

04-05-2013 03:46 PM
by z-maro

2

5,285

Swapping my L31 for a LM7

JohnnyMac23 on 03-19-2013

03-19-2013 11:39 PM
by JohnnyMac23

0

1,459

distributer, distributor, gmc, l29, l31, motor, setting

L31 and L29 distributors

VorTecxas on 12-10-2012

12-16-2012 01:34 PM
by VorTecxas

1

1,696

1996, 350, 3500, 454, chevy, clutch, engine, l21, l29, l31, stock, swap, truck, upgrades, work

L31 350 to (L21 or L29) 454

VorTecxas on 10-23-2012

11-05-2012 11:32 PM
by VorTecxas

9

10,212

99, cam, cams, change, date, gm, involved, l31, lifters, made, mods, nees, parts, performance, swap

L31 Cam swap

VorTecxas on 10-15-2012

10-24-2012 03:58 PM
by VorTecxas

9

11,827

bolt, kit, l31, n2o, nitrous, oxide, plate, trucks, vortec

plate kits

6789olds on 12-30-2011

08-30-2012 07:58 AM
by justinpatterson

4

1,539

4l80e, 99, double, engine, fast, install, intake, l31, ls2, motion, put, roller, set, swap, tahoe, timing

Swapping in 6.0/4L80e into my 99 Tahoe

foreverfalcon40 on 02-23-2012

02-27-2012 08:44 AM
by blade7022

2

5,556

INTERNAL ENGINE MODIFICATIONS

110lsa, 116lsa, asa, cam, camshaft, change, forum, l31, lm7, mileage, nitrous, power, stock, toque, towing

Stock cam choices in LM7

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1 2)

mike058 on 01-02-2012

01-02-2012 11:25 PM
by 1FastBrick

11

16,822

1997, electronics, full, horsepower, hp, hptuners, l31, ls1, make, manual, rating, setup, stock, th400, tuners

Hp Tuners and TH400

Swerve7rpm2000 on 10-03-2011

10-24-2011 10:50 AM
by hog

5

3,293

150, 3rd, amsoil, blackbear, bypass, cai, circle, dyno, filter, frantz, hemi, l31, nitrous, oil, shot, strile, tune

WTF !!! rip off

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1 2 3)

6789olds on 08-15-2011

08-22-2011 08:50 AM
by ianclarkson55

24

4,350

100, 53, 99, chevy, engine, install, kit, l31, nos, notrous, shot, stock, tacoma, tahoe, vortec, wet

100 shot on installed

laoutlaw on 08-14-2011

08-14-2011 10:10 PM
by 6789olds

9

3,770

how big of a dry shot can i go with on spoder injection

laoutlaw on 07-01-2011

07-13-2011 06:01 PM
by 6789olds

3

1,102

125, 150, 350, 57, bear, black, l31, nitrous, nos, performance, put, shot, stock, tune, vortec

350 vortec on spray

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1 2)

brandon6.0 on 07-08-2011

07-12-2011 08:35 PM
by brandon6.0

15

24,992

350, l31, msd, na, open, retard, throttle, timing, vortec, wide, wot

wot timing

6789olds on 06-05-2011

06-07-2011 02:27 PM
by 6789olds

7

2,523

INTERNAL ENGINE MODIFICATIONS

16, 97, arms, cam, guildplates, heads, l31, put, putting, required, rocker, rockers, roller, stock, tip, tips, vortec, whats

1.6 roller tips rockers

laoutlaw on 04-25-2011

04-26-2011 08:01 PM
by laoutlaw

4

1,814

4l60e, 75, blackbearlocks, converter, convertoer, l31, lock, locking, lockup, open, shot, stock, throttle, wide, wot

locking the converter at wot

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1 2)

6789olds on 03-28-2011

04-10-2011 11:22 AM
by 6789olds

11

2,645

air, cai, chevy, cold, dakota, fan, high, iats, intake, l31, pvc, relocation, sensor, silverado, slower, stock, volant, vortec

"COLD" air intake causing high iats?

Woodlandcritter on 04-04-2011

04-09-2011 01:48 PM
by budhayes3

9

3,309

04, 100, 350, 48, 50, chevrolet, chevy, f150, kit, l31, nitrous, nos, oxide, shot, silverado, wet, wetkit

50 shot wet kit

laoutlaw on 02-25-2011

04-09-2011 10:44 AM
by laoutlaw

9

5,669

57, 60, electronic, files, gm, hp, jcl, l31, performance, sale, tune, tuner, tuners, tunes, tuning, vortec, vortect

5.7 Vortec L31 Hp Tuners Tune File

justin.hughes on 03-14-2011

03-19-2011 07:05 PM
by justin.hughes

4

4,650

GM Drivetrain & Suspension

1997, 4l80, 4l80e, 99, bu42, chart, compatibility, converter, converters, differences, k1500, l31, ls, pre, spacer, stall

4l80e converter compatability

bggrnchvy on 03-17-2011

03-18-2011 01:30 PM
by Circle-D

3

3,349

57, 99, dyno, engine, file, files, gm, hp, improve, l31, mpg, tune, tuner, tuners, updated, vortec

5.7 Vortec L31 Hp Tuners Tune File

justin.hughes on 03-14-2011

03-16-2011 07:49 PM
by 99TransAmLS16Spd

2

13,832

98, add, body, bolt, bore, cam, headers, hp, k1500, l31, ls, nitrous, pattern, shortie, throttle, vortec

98 Vortec

BTLD_LS1 on 03-04-2011

03-07-2011 03:20 PM
by BTLD_LS1

6

2,120

1996, complete, dynatech, exhaust, flowmasters, forum, l31, magnapacks, mpe10416, performance

Ditching flowmasters

6789olds on 03-04-2011

03-05-2011 10:37 AM
by 00rcsb

7

1,743

87, 91, blackbear, btu, btus, called, drink, dyno, ethanol, f150, ford, l31, lower, octane, recipe, tune, versus

87 octane vs 91 octane

6789olds on 02-22-2011

02-23-2011 10:56 AM
by straped for cash

1

1,789

THE TRUCK STOP

57, 57vortec, 99, ac, accel, acdelco, bestplugswires, cap, delco, distributor, install, l31, plugs, stock, suburban, vortec

Best plugs for a 99 5.7 Vortec in a suburban

LS14EVR on 02-18-2011

02-21-2011 08:09 AM
by LS14EVR

5

9,397

1996, 2011, 57, 96, 97, 99, chip, express, l31, mods, pcm, performance, super, superchips, tune, van, vortec

classic 99 5.7 vortec tune

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1 2)

jmchevyman on 01-17-2011

02-08-2011 04:00 PM
by hog

15

66,165

1996, 57, 91, cam, camshaft, changing, gm, installation, installationcam, l31, lfters, lifter, lifters, photo, roller, vortec, z71

cam,lifters, and rollers for 5.7

sleeperSS20 on 01-14-2011

01-17-2011 06:47 PM
by 1slowz71

8

2,711

180, 2500hd, 62l, 81l, add, bear, black, blackbear, bully, degree, dog, efan, gm, l31, performance, thermostat, tune, ways

8.1L Efan and towing

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1 2)

Irgunr on 12-26-2010

01-10-2011 08:42 AM
by Irgunr

14

7,243

8-Lug Truck Performance

2010, bmk23, bypass, craigs, dding, filter, frantz, installed, l31, list, oil, silverado, tahoe, uoa, vortec

by pass oil filtration

6789olds on 12-04-2010

12-09-2010 05:50 PM
by hobbesnmina2001

7

1,241

1000, 218228, 503503, cam, forum, l31, truck, upgrades, voodoo, z71

upgrades for a 1000 bucks

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1 2)

6789olds on 12-04-2010

12-06-2010 10:10 PM
by 6789olds

17

2,699

wynjammer ???

6789olds on 09-28-2010

09-28-2010 12:41 AM
by 6789olds

1

1,947

1999, 5700, bolton, boost, boosting, chevy, gmc, l31, levels, longevity, ls1tech, safe, turbo, turbos, vortec

Safe boost levels and other questions about turbos. . .

meangreenburban on 09-10-2010

09-24-2010 02:48 PM
by meangreenburban

4

1,319

350, 454, 62injectors, big, block, cam, hot, intake, l31, manifold, marine, max, spacer, vmax, vortec

Old Vortec Ideas

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1 2)

slow99 on 11-12-2006

08-24-2010 02:43 PM
by LightFighter

16

7,467

ds tuner

bbc4542001 on 07-15-2010

07-18-2010 11:24 AM
by JennaBear

7

2,613

98, bent, cam, exhaust, l31, offset, retard, silverado, stumping, tick, ticking, valves

!!! Help this is stumping everone

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1 2 3 4 5)

cams 98 silverado on 05-07-2010

07-16-2010 06:34 PM
by cams 98 silverado

44

6,460

411, black, bp3830ct1, buy, cost, engine, garage, injector, l31, pcm, poppet, spider, total, update, upgrade, westers, widow

96 upgrade

kdcollins on 02-28-2010

03-09-2010 06:15 PM
by Whippled2dr

4

1,574

Classic Trucks

16, 16l, 1998, 23l, 383, 4x4, build, chevy, l31, replacing, whipple

Building a 383...recommendations?

howard quick on 01-26-2010

01-29-2010 04:36 AM
by howard quick

4

1,393

906, aplication, build, camshaft, carb, carburated, carburetorated, crank, difference, forged, gm, l31, l31r, modifications, performance

carburetorated l31 build up help

greenturtle05 on 12-13-2009

12-19-2009 10:31 AM
by greenturtle05

2

2,795

Classic Trucks

cam, camshaft, cover, cummins, heads, install, jeep, l31, patriot, plate, retainer, roller, sbc, timing, vortec, walk, walking

GenI roller cam: Cam walk

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1 2 3 4)

04SilveradoMykk on 10-06-2009

10-25-2009 10:27 PM
by GMCtrk

30

7,948

71, 97, brake, caliper, cam, k1500, l31, loud, mouth, performance, pipes, sierra, sticking, supercharger, trucksjacked, weight, z71, zz4

97 Z71 going for 13s, advice needed(vid inside)

james8997 on 10-12-2009

10-14-2009 01:01 PM
by Neil 6.0

9

1,476

1998, 2000, 350, charger, chevy, l31, schematic, schematics, supercharged, supercharger, superchargers, tuning, vortec, whipple, wiring

Whipple supercharger

Fry daddy on 10-11-2009

10-11-2009 03:57 PM
by the_husk

2

2,035

02, 42lb, 57l, injectors, intake, l31, mercruiser, truck

WTB: 01-02 Truck intake manifold,fuel rails,cable tb

Whippled2dr on 09-17-2009

09-18-2009 02:21 PM
by Low_LSX

4

753

Western

57, 57l, 9699, 99, chevy, distributor, engine, install, l31, magnacharger, rod, street, supercharger, vortec, wiring

96-99 Vortec 5.7L Magnacharger kit...

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1 2)

Leroy_454 on 02-02-2006

09-05-2009 02:03 AM
by wild_chld1

17

36,753

2000, 53, 97, 98, bare, block, engine, gm, l31, ls1, performance, racing98, silverado, swap, trucks, vortec

L31 to LS1 swap in my 98 4wd Silverado

HemiRamOn22s on 07-18-2009

07-18-2009 01:01 PM
by brewster240

2

7,941

350, 53, 57, bolt, boltons, cam, gas, l31, ls1, mild, mileage, ons, power, swapping, tuning, vs, zz383

L31 vs 5.3

StreetFreak on 07-06-2009

07-07-2009 12:44 AM
by Wheatley

5

15,027

350, 383, 57, 97, fuel, gm, holley, ht, ht383, injection, intake, l31, silveraldo, stealth, vortec

Fuel Injection Blues...

HT383 on 06-15-2009

06-15-2009 04:23 PM
by Whippled2dr

1

4,013

98, air, cam, chevy, custom, flow, hot, houston, kit, l31, mass, sensor, silverado, tune, tunes, tx, wheatley

98 Silverado Tuning HELP!!

BTLD_LS1 on 05-31-2009

06-12-2009 06:52 AM
by BTLD_LS1

3

2,281

Dynamometer Results & Comparisons

57, bear, black, blackbear, dyno, heads, intake, l31, mercruiser, parts, performance, procharger, results, tahoe, tuneing

5.7 (L31) dyno results; NEED INPUT, new to FI

bai78 on 05-27-2009

05-27-2009 10:58 PM
by bai78

4

4,319

3500, 57, 57l, ford, hesitation, intake, l31, marine, mercruiser, rpm, solutions, sputtering, tahoe, vortec, whipple

5.7L Hesitation

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1 2)

black04 on 05-14-2009

05-22-2009 11:15 AM
by norris_83

10

9,563

Is this bad? lol

(

1 2)

1BADAZZSS on 04-04-2009

04-05-2009 09:18 AM
by hog

13

1,903

1600ar, 350, 57l, charger, elbow, intake, kit, l31, silverado, truck, upgrade, upgrades, vortec, w140ax, whipple

FS: Whipple W140AX upgrade for Vortec 350 kit

James B. on 02-08-2009

03-29-2009 11:11 PM
by laynlow77

3

9,367

GM Parts Classifieds

53, 53l, 57, 862, 99, camshaft, compression, edelbrock, escalade, heads, l31, ls1tech, ratio, sitels1techcom, swap

Do 2007 5.3L 862 heads fit '99 Escalade 5.7?

Djaustin89 on 03-20-2009

03-21-2009 04:31 AM
by James B.

3

1,187

0411, 2002, case, diagram, engine, express, l31, octane, pcm, perform, relearn, rpm, swap, tune, wiring

0411 Swapped Stock L31 COMPLETE

Fast355 on 03-16-2009

03-16-2009 11:51 PM
by Fast355

4

4,793

04silveradomykk, dtc, l31, loop, open, tune

Bye-Bye F.I.

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1 2 3 4)

04SilveradoMykk on 02-17-2009

03-15-2009 09:54 PM
by l_kusler

33

6,456

Trucks and SUV Classifieds

1997 rcsb l31 a4 3.73

mred on 02-15-2009

03-12-2009 08:46 PM
by mred

2

1,174

10216948, corvette, fuel, gauge, hose, injector, intake, l31, marine, pressure, regulator, reprogramming, side, supply, wire

intake manifold

silveradokidd_4518 on 03-04-2009

03-06-2009 04:36 PM
by silveradokidd_4518

3

2,472

1500, 1998, 468, big, block, carburetor, chevy, crankshaft, intake, l31, manifold, mercruiser, reluctor, swap, vortec

1998 Vortec 350 to 70's bigblock 468 Conversion?

woody_lsu49 on 01-05-2009

01-11-2009 03:59 PM
by ChevyLee

4

2,229

Classic Trucks

1997, 2005, 57, engine, forged, give, gm, l31, lq4, piston, pistons, shrinking, skirtless, slap, vortec, vortecs

Piston slap?

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1 2 3 4 5)

trever1t on 12-08-2008

12-15-2008 09:08 AM
by shandy294

43

7,670

2011, 6l90, 6l90e, c1500, controller, ford, gmt900, harness, king, l31, locations, shocks, silverado, stand, tcu, trans, vortec

where to get stand alone trans controller

Denali Dude on 12-11-2008

12-12-2008 12:15 AM
by Denali Dude

4

1,940

engine, flow, gm, intake, l31, manifold, manifolds, marine, mods, numbers, performance, porting, spacer, stock, tune, vmax

L31 intake manifold flow

Newsacramento on 11-16-2008

11-17-2008 01:09 AM
by mds2004

2

4,972

INTERNAL ENGINE MODIFICATIONS

04silveradomykk, 330, 43l, beehive, chevy, comp, compression, craigslist, head, holes, l31, lo5, performance, pushrod, ratio, rwhp, springs

Building a SBC

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1 2 3 4 5 ... Last Page)

04SilveradoMykk on 07-05-2008

11-08-2008 04:11 PM
by LMSeven

73

20,909

2008, 4l60, 4l60e, 4l80, 4l80e, change, hpt, l31, miles, module, pcm, program, reprogram, transmission, tuning

2002 L31 5.7: HPT, changing 4l80E module to 4L60E

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1 2)

04SilveradoMykk on 10-25-2008

11-01-2008 03:29 PM
by hog

16

1,734

43, injector, l31, p0200, problem, replace, silverado, v6

Need Help ASAP!!! Please.

Fastcount03 on 10-22-2008

10-23-2008 03:37 PM
by 95 bright teal

9

1,001

2001, 383, 411, auburn, buildup, ected, engine, express, l31, pcm, performance, powerstroke, stroker, swap, tuning, van, yukon

L31 buildup questions

96FastSilvy on 10-20-2008

10-22-2008 01:35 AM
by mds2004

8

7,905

53, 57, 9698, 97, bracket, buying, ebay, gmc, instruction, kits, l31, mounting, silverado, supercharger, vortec, whipple

Buying Used Whipple??

97gmc on 08-27-2008

09-02-2008 12:09 AM
by camarossls12001

9

13,837

1998, 57, 57l, accel, distributor, distributors, engine, failure, gear, gm, install, installing, l31, upgrade, vortec

Aluminium L31 Distributor

howard quick on 08-27-2008

08-27-2008 02:44 AM
by howard quick

0

3,813

350, 454, 57, bosch, ckp, crank, crankshaft, delete, eliminate, fuel, injection, injector, l31, performance, reluctor, vortec

Can a Vortec 350 L31...?

04SilveradoMykk on 07-29-2008

07-30-2008 03:31 PM
by James B.

2

3,822

Cam tuning questions

04SilveradoMykk on 07-13-2008

07-13-2008 11:55 AM
by southern_chevy

1

892