Threads Tagged with lm7

1999, 5300, breakdown, engine, gm, gmc, lc9, lm7, ly5, performance, sierra, silverado, swap, tuning, vortec

Truck Engine Break Down by size and code

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1 2 3)

1FastBrick on Feb 6, 2009

Feb 27, 2024 04:21 AM
by Marky Dissod

25

22,984

48, 48specs, 53, 53l, 71, 89017577, duramax, gm, height, lightning, lm7, part, pin, piston, silverado, specs, ss, wrist

Wristpin height 4.8 vs 5.3?

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1 2 3 4)

SynergyV8 on Dec 27, 2008

Jun 17, 2022 11:56 AM
by JamesTheGreat

33

84,650

1995, 53, 6l70, 95, camaro, cts, gm, harness, intake, lm7, manifold, swap, transmission, v6, wiring, wrecked

LM7 Swap (5.3) into my 95 Camaro 3800II

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1 2)

R2K on Nov 21, 2008

Mar 17, 2021 07:42 PM
by B52Bombardier1

14

16,474

243799, 317, 53, 799, 862, cam, flow, head, heads, lm7, nos, numbers, prc, radix, stock

best heads for boosted 5.3

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1 2 3)

SLO TRUCK on Oct 20, 2009

Apr 17, 2020 04:24 AM
by Marlinbrando

22

88,078

2000, 2002, 53, 60l, 97, accord, chevrolet, cost, engine, g8, gmc, gt, honda, lm7, rebuild, silverado

How much does an engine rebuild cost?

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1 2)

00ChevyScott on Feb 9, 2008

Jan 4, 2020 09:53 PM
by skolman91

16

38,592

05, 53, backfires, gto, idle, jenning, lastresults, lm7, louisiana, low, pontiac, stumble, stumbles, throttle, warm

Idle / Low Throttle missfire, stumble

ForcedTQ on Sep 11, 2010

Jun 18, 2019 10:46 PM
by 1slow99

8

6,760

2001, 53, chevy, cover, engine, gen, identify, iv, knock, l33, lh6, lm7, location, map, sensor, swap, tahoe, valley

How to identify an L33

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1 2)

loloone on Mar 14, 2012

Oct 13, 2018 09:52 AM
by therock

11

78,302

53, bearing, bearings, cost, engine, gm, lm7, rebuild, rebuilding, rebuilt, repair, replacing, rings, silverado, spun

5.3 rebuild cost?

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1 2)

southpaw0314 on Jul 8, 2011

Jan 25, 2018 07:03 PM
by matts01z71

17

178,383

12561706, 200, 53, 706, 706s, 862, chevy, engine, gm, heads, install, intake, interchange, l59, lm7, valve

862 vs. 706 heads

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1 2 3)

old motorhead on Feb 2, 2009

Jun 19, 2017 04:15 PM
by John Gravelle

21

366,860

4x4, 53, 53l, built, cam, converter, custom, good, lm7, towing, truck, tt3000, yanks

Best cam for 5.3L in 4wd

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1 2 3 4)

JC94Z28 on Feb 3, 2014

Jan 4, 2017 12:28 PM
by Wrecker 426

31

62,595

4l60e, 53, 88, corvette, custom, end, ford, intake, lm7, ls6, rear, retainers, s10, springs, truck

The LSX S10

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1 2 3 4 5 ... Last Page)

superchevyguy07 on Jan 2, 2013

Apr 27, 2015 04:42 PM
by superchevyguy07

117

76,518

Midsize & Compact Trucks

1994, 53, air, breathers, carb, carburator, carburetor, edelbrock, engine, hd2, intake, lm7, manifold, silverado, swap, transgo

My carb'd LM7 swap into a 1994 Silverado

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1 2)

RabidStreetRacer on May 13, 2012

Apr 10, 2015 02:55 PM
by RabidStreetRacer

19

18,257

PROJECTS GALLERY

2, 243, 862, chart, flow, gain, heads, hiw, hp, la, lm7, performance, polished, ported, rpm, trucks, valves, woth

does anyone have 243 vs 862 charts?

bluebommer07 on Apr 13, 2012

Mar 17, 2015 11:11 PM
by AKlowriderZ71

4

11,333

LM7 -> LQ4 swap...

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1 2 3)

Bluecollar Hotrods on Jun 5, 2014

Jan 21, 2015 10:59 PM
by Bluecollar Hotrods

23

13,326

11, 243s, 53, 53l, big, build, cam, compression, head, heads, lm7, milled, pac, ratio, springs

Looking for a few suggestions on building an LM7

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1 2 3)

Courtntan on Apr 30, 2013

Dec 21, 2014 10:09 AM
by 07bluelbz

20

6,661

GM Drivetrain & Suspension

53l, 5spd, 88, capasitys, chassis, chevy, engine, fluild, gm, identification, iol, k1500, lm7, manufacture, package, trans, year, zx3

GM fluid capacities

nonnieselman on Mar 6, 2012

Nov 28, 2014 11:20 AM
by MadDMax66

8

79,360

53, body, gm, lm7, mods, power, spacer, throttle, upgrades

5.3 LM7 upgrades and suggestions?

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1 2)

chadjcompton on Sep 18, 2014

Sep 21, 2014 11:45 PM
by chadjcompton

10

19,741

TSP 224/228 cam kit

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1 2)

SlowSierra99 on Sep 9, 2014

Sep 11, 2014 07:33 PM
by Flyingcat

11

6,990

01, 07, 243, 53, 53l, 706, headers, heads, lm7, ls6, magnacharger, mill, milling, silverado, supercharger

243 Heads on 5.3

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1 2)

EZDOESIT on Apr 7, 2009

Jun 6, 2014 11:08 PM
by LOBO2

16

78,431

Turbo LM7 Rebuild (hole in #7)

lhenrichs on May 9, 2014

May 14, 2014 07:02 AM
by tempoffroad

8

4,128

05, block, bolt, bore, bored, l59, lm7, lq4, main, motor, performance

LQ4, LQ9, LM7, L59 difference

ferrellrooster on May 7, 2014

May 12, 2014 10:23 PM
by NuckenFuts

5

29,052

2009, 342, 400, 400hp, 53, bolt, cam, gears, hp, lm7, making, ons, performance, sierra, silverado, tr220

400hp on 5.3?

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1 2 3 4)

0silverado4 on May 19, 2010

May 11, 2014 11:09 AM
by turboal1

33

83,464

53, 60, 6872, 72, 83, 839, gt76, lm7, ls1, ls1techcom, nova, s475, s47583, stock48, turbo

Stock48 S475/83 Nova first time out!!!!

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1 2 3 4)

stock48 on Jun 18, 2013

Feb 11, 2014 02:07 PM
by 69Camaro427

37

34,278

help with est. hp of my motor

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1 2 3)

CMAR81 on Jan 25, 2014

Feb 1, 2014 02:13 AM
by 20SS06

21

3,068

lm7 to l59 swap???

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1 2)

Black&Tan on Jan 16, 2014

Jan 21, 2014 09:51 PM
by Black&Tan

10

13,235

020, 231239, 243s, 799, cam, heads, lm7, ls1, mill, milled

799 heads on LM7 with big cam , how much to mill ?

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1 2)

Boost-freak on Jan 16, 2014

Jan 20, 2014 10:52 AM
by joshua022

10

23,708

53, 80, boost, change, deka, dekas, flo, gaskets, head, injectors, lm7, pro, reliability, siemens, stock, turbo, xt

Parts check for 600whp 5.3 build, did I miss something?

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1 2 3)

LS325ci on Jan 11, 2014

Jan 19, 2014 09:57 AM
by GRRR65GTO

27

43,025

Trucks and SUV Classifieds

96 s10 plus a lm7

toomanycars on Dec 11, 2013

Dec 12, 2013 08:39 PM
by toomanycars

4

2,556

PROJECTS GALLERY

85 c10 5.3 swap for sale. (compleated)

85LSburb on Dec 7, 2013

Dec 10, 2013 01:23 PM
by 85LSburb

1

2,075

224, 226, 228r, 231239, cam, cams, duration, give, hp, lm7, ls1, plane, s10, single, truck, whats

Choosing a cam for ls1

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1 2)

LS1Sierra02 on Nov 24, 2013

Dec 2, 2013 10:01 PM
by 1Bear

19

6,161

Dynamometer Results & Comparisons

2004, datsun, diesel, dynapack, dyno, lm7, numbers, truck

LM7 301whp/426wtq on a Dynapack

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1 2)

s30 on Jun 19, 2013

Nov 14, 2013 08:27 PM
by ZO6Ted

10

3,793

243799, 243s, 53, 862, cammed, compression, dyno, efans, gain, heads, high, hp, lm7, ported, prc, swap

Any dynos of 5.3L before after head swap??

69Camaro427 on Oct 29, 2013

Oct 30, 2013 04:59 PM
by 69Camaro427

3

6,554

2013, 53, 53l, 600rwhp, adders, boost, boosted, budget, build, head, lm7, magnum, motor, performance, power, silverado, studs, turbo

Budget 5.3L for Boost

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1 2 3)

Ferocity02 on Jun 10, 2013

Oct 29, 2013 02:12 AM
by Cammed4ever

21

11,465

TB worth the money/time on LM7 truck intake?

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1 2)

69Camaro427 on Sep 29, 2013

Oct 4, 2013 09:15 AM
by 69Camaro427

12

2,926

2006, 58cc, 862, cathesral, compression, cylinder, gm, good, head, heads, lm7, polish, port, power, ratio

beneficial intake/head setup on lm7

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1 2 3)

marineusmc4 on Sep 26, 2013

Oct 3, 2013 09:52 PM
by batboy

20

16,696

Tuning, Diagnostics, Electronics, and Wiring

4l65e, 53, bullet, dynomax, hd2, hp, hpgain, install, lm7, shifts, soft, trans, transgo, tune, tuners

tune, and converter tuning

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1 2)

whitedakota on Sep 22, 2012

Sep 25, 2013 04:56 PM
by whitedakota

18

3,097

Need help finding injectors for lm7

BURNRBR on Sep 12, 2013

Sep 13, 2013 12:57 PM
by swift700

5

7,272

FUEL SYSTEMS

Wanted: LM7 Ignition Coils

redsilverado05 on Sep 12, 2013

Sep 12, 2013 09:17 PM
by Ferocity02

4

993

Just bought a TBSS intake.

Dont4GetToWipe on Sep 7, 2013

Sep 8, 2013 10:56 PM
by La Grey 1

9

3,525

2005, 243, 243s, 706, 799, 862s, head, heads, lm7, milled, ported, pushrod, pushrods, size, whats

LM7 with 243 heads

Dont4GetToWipe on Aug 17, 2013

Aug 20, 2013 10:38 AM
by Camin00

9

9,532

1981, 53, bui, build, builds, c10, chevy, lm7, truck, turbo, turbod

My first build- 1981 chevy c10 with turbo'd 5.3

81chevyc10 on Aug 11, 2013

Aug 11, 2013 11:07 PM
by 81chevyc10

2

5,688

05, 1218, 243, 53, 918, cam, comp, compression, head, heads, lm7, pac, put, turbo, xr259hr

lm7 with 243 heads

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1 2 3)

ryguy03sierra on Aug 8, 2013

Aug 10, 2013 10:40 AM
by Richardman1992

20

31,041

06, 2005, 2006, 24x, 58x, denali, engine, envoy, gmt800, lh6, lm7, radio, swap

Replacing 06 envoy Denali lh6 with 2005 lm7?

Lsx240vert on Jul 22, 2013

Jul 22, 2013 01:43 PM
by Lsx240vert

0

5,470

LM7 Build

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1 2)

cousblake11 on Jul 4, 2013

Jul 8, 2013 07:28 PM
by cousblake11

10

27,653

53, 53l, block, boost, boosted, gen, iii, limit, lm7, max, power, silverado, turbo

Gen III LM7 Limit

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1 2)

Ferocity02 on Jun 25, 2013

Jun 30, 2013 05:57 PM
by darnie

13

17,138

2006, block, california, cover, fit, gto, lm7, ls6, motor, northern, pontiac, tbss, tub, valley, vents

LS6 Valley Cover Vent Tube with TBSS Intake

SumtinCoo on Jun 6, 2013

Jun 9, 2013 05:55 PM
by ForcedTQ

4

5,680

2004, dual, gmc, howtoswaplm7valvespringforls6springs, lm7, ls1tech, sierra, springs, turbo, valve

Valve spring swap?

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1 2)

darnie on May 17, 2013

Jun 9, 2013 04:52 PM
by 99LsSilverado

10

2,525

150, 243s, 3600, 375hp, 862, heads, lm7, o7, ported, shot, stall

LM7 Question

Treyvs on Jun 2, 2013

Jun 4, 2013 05:52 PM
by Treyvs

6

2,483

help me decide what rings lm7

UnVmy5.3 on May 19, 2013

May 19, 2013 12:05 PM
by UnVmy5.3

0

595

GM Drivetrain & Suspension

00, 4l60e, convert, difference, lm7, modulated, pmw, pulse, putting, pwm, solenoid, trans, tuning, width, wiring, work

New guy, non-pwm 4l60e with lm7?

j20owner on Mar 8, 2013

May 17, 2013 11:00 PM
by j20owner

5

7,036

11, 111, 53, 53l, 862, compression, head, heads, lm4, lm7, max, maximun, mill, milled, porting

Maximum milling on LM4/LM7 862 Heads

robstah on May 6, 2013

May 11, 2013 11:18 PM
by low2001gmc

3

7,116

2000, 2004, 53, 53l, 60l, aluminum, cylinder, drop, heads, k1500, lm7, place, rebuilding, rebuilt, silverado, vortec

Rebuild 5.3l or drop a 6.0l in?

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1 2)

cousblake11 on May 2, 2013

May 7, 2013 10:15 AM
by cousblake11

11

23,142

MULTIMEDIA (truck related)

2000, 2006, 85, cam, gas, gmc, l33, lm7, put, racing, silverado, super, swap, truck

LM7 to L33 swap

white 03 on Apr 26, 2013

May 6, 2013 12:18 AM
by AKlowriderZ71

8

16,835

FUEL SYSTEMS

53, aftermarket, cam, exhaust, factory, good, heads, lifters, lm7, ls1, ls6, ported, roller, sound, thumpr

My LM7 with a Thumpr Cam Idle video

RabidStreetRacer on Apr 22, 2013

Apr 23, 2013 07:25 PM
by RabidStreetRacer

8

3,485

243, 53, 57, chevy, fel, gasket, gaskets, gm, head, lm7, ls1, mls, number, part, pro, silverado, tech

which head gasket for 5.3?

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1 2)

devink on Apr 7, 2013

Apr 9, 2013 05:50 PM
by craigsix

17

61,822

5.3 block,timing chain,stock cam,injectors,TB,Pistons,lifter trays,fuel rail,etc

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1 2)

gmcyukon on Mar 1, 2013

Mar 20, 2013 06:47 PM
by gmcyukon

15

3,108

Swapping my L31 for a LM7

JohnnyMac23 on Mar 19, 2013

Mar 19, 2013 11:39 PM
by JohnnyMac23

0

1,555

Heads

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1 2 3)

gbbmk on Mar 5, 2013

Mar 14, 2013 12:09 AM
by mcfarlnd

28

9,584

Won't start

low_down05 on Mar 2, 2013

Mar 3, 2013 08:29 AM
by low_down05

3

1,056

Turbo Build?

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1 2 3)

darnie on Feb 21, 2013

Feb 27, 2013 07:27 PM
by darnie

25

3,757

Forged : Iron LM7, 346"ci

fatride on Feb 14, 2013

Feb 15, 2013 04:31 PM
by Go5.3tt06

1

1,206

Tuning, Diagnostics, Electronics, and Wiring

2003, 48, 4l60e, 53l, check, conversion, efilive, lm7, manual, segment, smog, swap, trans, transmission, tune

Looking for manual tune for segment swap

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1 2)

Ferocity02 on Feb 5, 2013

Feb 6, 2013 11:33 AM
by gagliano7

11

13,471

2013, 53, body, chevy, exhaust, f150, ford, gm, lm7, manifold, manifolds, oem, performance, preformance, systems, truck

OEM exhaust manifold ?

snowshoejeep on Jan 27, 2013

Feb 3, 2013 09:34 AM
by snowshoejeep

7

1,410

cam, camshafts, degrees, dickey, dicky, engines, ht1, lm7, lsx, performance, powerstoke, retard, scoggin, sdpc, truck

Scoggin Dickey truck cam??

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1 2 3 4 5)

NextLevel on Feb 7, 2011

Feb 1, 2013 12:56 PM
by Cknox121

47

49,277

Tuning, Diagnostics, Electronics, and Wiring

05, 2005, 60, driving, gmc, lm7, pipe, smoke, smokes, smoking, start, startup, tail, trucks, yukon

Smoke at startup

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1 2 3 4 5)

Junkyard Dog on Nov 13, 2011

Jan 20, 2013 04:59 PM
by banjoman

43

13,089

799, engine, food, gasket, head, heads, lifters, lm7, ls, ls1, ls7, ls9, preload, pushrod, silverado, thickness, whats

LS7 lifters milled .30 862 for 5.3L, what pushrod length???

Camin00 on Jan 18, 2013

Jan 18, 2013 06:38 PM
by Hivelocit

9

11,793

2000, 53, 90mm, bolts, custom, fuel, intake, lm7, manifold, nbs, nnbs, rails, sierra, swap, work

NNBS intake manifold swap

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1 2)

RedRover on Nov 22, 2012

Jan 7, 2013 07:09 PM
by PSI GUY

12

14,485

FUEL SYSTEMS

411, 896, ecm, engine, gm, harness, lm7, lq4, modded, performance, swap, tools, trans, trucks, wiring

LM7 LQ4 engine and trans wiring harness and ecm

fanta141 on Aug 26, 2012

Dec 18, 2012 07:50 PM
by fanta141

1

2,039

53, engine, forum, gm, good, l33, lm7, motor, power, programmer, radix, tech, tunes, wil, work

5.3 l33 or lm7

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1 2 3)

Go5.3tt06 on Sep 28, 2012

Dec 16, 2012 05:36 PM
by craigsix

23

13,948

5.3 parts for sale

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1 2)

Knine00 on Sep 25, 2012

Dec 7, 2012 12:30 PM
by Knine00

12

4,780

05, 240z, 53, ac, combo, exhaust, header, headers, intake, lm7, ls1, ls6, rwhp, s10, shorty, th400

5.3 combo help

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1 2)

6D9 on Nov 24, 2011

Nov 22, 2012 11:51 AM
by RedRover

15

3,416

1051, 2009, 3, cammed, chevy, diamond, fire, lm7, plugs, silverado, spark

Spark Plug Choices

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1 2)

cammed00 on Feb 22, 2012

Nov 7, 2012 12:29 PM
by nonnieselman

17

3,528

bracket, c10, cable, f150, ford, formulized94, kit, lm7, ls1, mount, nitrous, nos, plate, spacer, throtle, throttle

Nitrous Plate and throttle cable bracket...

Formulized94 on Nov 1, 2012

Nov 1, 2012 10:36 PM
by dmelvin

1

1,700