th400 - LS1TECH - Camaro and Firebird Forum Discussion

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1st, 2nd, 4l60e, 4l80e, cold, engage, engaging, p0752, rebuild, shift, shifting, soft, th400, transmission, wont

4l80e won't engage 1-2 when cold after rebuild

jlouki01 on Dec 4, 2011

Oct 19, 2025 05:13 PM
by jjhoward1142

4

3,996

Automatic Transmission

4l60e, bellhousing, bolt, cover, flywheel, governor, install, lines, parts, pattern, td3350400fm36, th350, th400, transmission, work

TH350/TH400 Frequently Asked Questions

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1 2 3 4)

dlove on Nov 15, 2007

Dec 13, 2024 11:38 AM
by rel3rd

62

337,714

Automatic Transmission

cable, foxbody, gauge, ls1, speedo, stock, th400, volt

Can a stock Fox Body cluster be ran with an LS??

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1 2)

NV Z 28 on Jul 28, 2014

Jan 7, 2024 08:51 PM
by scott1989

39

43,109

Conversions & Swaps

300zx, adapters, boost12, brakes, byron, flngcph, griffen, il, joey, looked, mellan, mellane, nissan, th400, till

My build - Lots of pics

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Sideways240sx on Jan 27, 2008

Nov 12, 2023 10:11 PM
by SoxXpupPeT

702

225,520

Forced Induction

4l60e, 4l80e, autometer, location, port, ports, powerglide, pressure, sender, temp, test, th350, th400, trans, transmission

Can I put the temp sender in the pressure port?

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1 2)

Black X on Jan 31, 2006

Sep 28, 2023 08:11 PM
by mrvedit

20

16,765

Automatic Transmission

132ar, 15, 20lbs, 53, boost, dyno, e85, horsepower, intake, lbs, lsx, s400, s475, t6, th400

s475 and a 5.3 post your hp and boost numbers please

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1bigcam on Mar 26, 2013

Aug 19, 2023 08:40 PM
by Colbyg0211

22

51,466

Forced Induction

alabama, banging, bent, breakaway, cobalt, cracked, flex, flexplate, flywheels, fra, loose, plate, stall, tci, th400, ticking, tikking, work

Flexplate? Stall? what's this ticking!?

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1 2)

98TAjwh on Feb 9, 2009

Nov 22, 2022 01:02 AM
by bbond105

32

21,473

Automatic Transmission

460le, 4l60e, c1500, chevy, lm7, ls1, mile, modified, obs, pulses, sensor, speed, speedo, swap, th400

90 C1500 LM7/4L60E swap. Speedo question

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jfg455 on Jul 12, 2011

Nov 16, 2022 11:31 AM
by gagliano7

26

62,807

Conversions & Swaps

4l60e, a4, car, hurst, ls1tech, nss, quarterstick, speed, start, swap, swapped, th350, th400, turn, wiring, wont

A4 to TH400 install swap now my car won't start.

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1 2)

frcefed98 on Oct 21, 2007

Sep 15, 2022 10:50 PM
by JuanZ28

20

8,413

Automatic Transmission

400, bm, bracket, brackets, braket, cable, deep, hurst, kit, location, pan, shift, shifter, th400, turbo

TH400 and a B&M deep pan cable bracket

MUSTANGBRKR02 on Oct 29, 2010

Aug 6, 2022 03:51 PM
by Racer2646

5

4,037

Automatic Transmission

body, build, cost, fox, member, members, motor, mounts, mstang, mustang, sale, sbc, swap, th350, th400

SBC into fox body mustang motor mounts!!!!!!!

rockaholic5001 on Dec 16, 2008

Jan 23, 2022 12:58 AM
by Tannks

9

25,402

Small Block & Big Block Chevy Specific

276, abs, diff, ls1, pigtail, reluctor, sensor, speed, speedo, speedometer, th350, th350th400, th400, vss, wheel, work

FREE way to get speedo to work in th350/th400.

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1 2 3 4 5)

SUX2BU on Mar 30, 2006

Jan 18, 2022 02:51 PM
by 93Z2871805

95

134,804

Automatic Transmission

2001, 53, 53l, 53starterbolts, bolt, kind, location, ls, ls1, motor, numbers, part, short, silverado, starter, starters, th400

5.3L-TH400, which Starter?

eramos2033 on Sep 13, 2011

Jan 7, 2022 08:00 PM
by pdxmotorhead

13

18,285

Conversions & Swaps

6l80, 6l80e, bolt, camaro, conversion, custom, driveshaft, long, number, output, part, short, slip, th400, transmission, yoke

6L80E Slip Yoke Question

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1 2)

1989GTA on Apr 27, 2012

Nov 26, 2021 11:44 PM
by JeffFro

22

77,858

Conversions & Swaps

28, 3000, 373, 410, 6000, calculator, gear, gears, inch, mph, ratios, rpm, speed, stall, th400, tires

th400 question

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1 2)

AjSmoker on Apr 6, 2009

Nov 18, 2021 08:19 AM
by HooptyExpress

25

9,304

Automatic Transmission

2000, 2001, 400, camaro, custom, firebird, lt1, m6, rachet, ratchet, rmvb, shifer, shifter, shifters, th400, turbo

InstallUniversity TH400 conversion from M6: Follow along

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1 2 3 4)

wizkid on Jan 30, 2012

May 25, 2021 02:53 PM
by wizkid

64

30,692

Automatic Transmission

4l80e, auto, automatic, clutch, direct, drum, plate, rebuild, rebuilt, th400, thread, towing, trans, transmission, wave, waveplate

4L80e rebuild. Direct drum, 5 plates with wave plate, or 6 plates without wave plate?

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1 2)

Wilde Racing on Jun 15, 2008

Feb 16, 2021 08:38 PM
by vorteciroc

21

34,150

Automatic Transmission

4l80, 4l80e, 4l85e, 7747, dimensions, k5, kit, ls1, rebuild, salvage, sensor, swap, th350, th400, trans

Poll

TH350 or 4L80E swap

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1 2)

jwatson on Jul 30, 2006

Feb 2, 2021 09:45 PM
by Cody!

32

36,638

Automatic Transmission

60, crossmember, damn, engine, fit, fuel, injected, ls, ls1, ls1tech, spohn, swap, th400, that, trans, transmission, work

BMR th400 crossmembers do not fit either of my cars.

WheelsUp84z on Sep 21, 2012

Nov 20, 2020 08:05 PM
by Launch

9

7,971

Suspension & Brakes

2000, 454, bell, bellhousing, camaro, car, carbon, csr, fit, install, pontiac, shield, style, switching, th400, trans, ultra

What style TH400 do I need to fit my car?

midwestjunk on Oct 13, 2011

Nov 13, 2020 03:42 PM
by lumen8

14

5,343

Drag Racing Tech

boost, boosted, booster, coan, modulator, motor, running, shift, shifting, th400, transmission, turbo, vacuum

th400 and boost?

TraviZ on Feb 16, 2010

Oct 4, 2020 01:23 PM
by DCobb

5

7,077

Automatic Transmission

400, 6speed, 96, 99z28, camaro, manual, short, t56, th400, transmission, turbo

Thinking of converting to a TH400 from a T56.....thoughts???

White.Lightning on Apr 23, 2008

Mar 3, 2020 02:10 AM
by Kj Grimmett

12

2,905

Automatic Transmission

14, 355, 4th, car, drag, gen, glluid, mile, power, powerglide, race, racing, sbc, th400, trans, transmission

Best Trans for drag racing 4l80, turbo 400 or powerglide?

fastcoonass on Jun 23, 2013

Jan 23, 2020 02:06 PM
by imma_stocker

16

49,652

Automatic Transmission

400, converting, day, driver, gear, horesepower, loss, od, overdrive, price, replace, th400, usgear, v2od, vendors

TH400 w/Gearvendors Overdrive..question...

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Quickin on Sep 16, 2004

Jan 21, 2020 03:28 PM
by MaroonMonsterLS1

52

15,525

Automatic Transmission

12, 460le, 4l60e, acura, automatic, filled, half, okay, overfill, overfilled, pan, qt, quart, th400, tranny, transmission

overfilled tranny by about 1/2 qt. okay?

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1 2)

93-vr4+transam on Jan 31, 2007

Aug 9, 2019 07:28 AM
by MaroonMonsterLS1

29

42,601

Automatic Transmission

2002, 345, 6l80, connector, converter, converters, fot, gear, speedometer, suburban, swap, th400, torque, tsb, yank

6L80 to Turbo 400 swap....... almost complete.

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1 2 3)

Fast 2010 on Aug 11, 2010

Jul 5, 2019 01:53 PM
by tim wellington

47

38,944

Gen 5 Camaro Drivetrain Tech

Transmission and Kit Sale

Jake's Performance on Jan 31, 2019

Apr 17, 2019 06:34 PM
by ski23

1

2,726

Sponsor Sales & Specials

fill, fluid, ken, lg, light, pan, pics, pink, pontiac, quarts, reverse, swap, th400, total, transmission, wells, wrong

Everything you ever wanted to know about a TH400 swap..I think

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1 2)

MacGyver on Dec 22, 2001

Jan 16, 2019 02:11 PM
by Game ova

31

17,582

Automatic Transmission

88, crossover, drive, driveshaft, ford, joint, length, long, ls, s10, shaft, stock, swap, swaps, th400, yoke

S10 ls swaps, what th400 did use and why?

vandejr on Aug 18, 2009

Jul 17, 2018 12:02 PM
by biketopia

6

9,291

Automatic Transmission

345, 350, 400, blue, car, difference, electron, engines, gear, hemi, ratios, th350, th400, transmission, truck, whats

What's the difference between a TH350 and a TH400?

Beeler422 on Jan 29, 2002

May 14, 2018 02:37 AM
by RPM WS6

12

57,446

Automatic Transmission

125, 150, 80, cam, cammed, engine, gto, ls1, ls1tech, ls2, lsa, nitrous, plate, rwhp, shot, th400

538 RWHP - 150 Shot, Cam, Fast 90/90, TH400/9"

01_ram-air on Jul 17, 2013

Apr 13, 2018 09:55 AM
by ramairetransam

18

10,859

Nitrous Oxide

400, chevrolet, doesnt, engage, gear, reverse, shift, stuck, th350, th400, trans, transbrake, transmission, turbo, wont

Th400 Won't Go Into Reverse

408WS6 on Apr 23, 2006

Feb 2, 2018 08:49 PM
by Hotrodgirls

14

39,635

Automatic Transmission

400, control, controlled, holley, kick, kickdown, ls1, lsx, setting, setup, solenoid, switch, th400, thm

Can PCM be setup to control TH400 kickdown?

ealvarez11 on Jul 30, 2012

Jan 27, 2018 06:28 AM
by MrPotatoeHead

4

6,412

Conversions & Swaps

11, 3rd, 400, drive, final, gear, gm, monster, ratio, stock, th400, trans, transmission, transmisson, turbo

Final ratio with th400 in 3rd gear

mr_biscuitz on Feb 18, 2011

Dec 20, 2017 08:11 PM
by mrvedit

14

22,242

Automatic Transmission

1977, 1978, 78, bolt, build, carbed, hot, hotrod, lq4, nova, procharger, project, rod, t56, th400, transmission

1978 Nova LQ4 / T56 Build

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1 2)

78supersport on Sep 29, 2012

Oct 18, 2017 07:47 AM
by superbean

24

33,217

Conversions & Swaps

350, 350trans, 400, amsoil, bm, fluid, high, kind, performance, shiftkit, th400, thm, trans, transmission, trickshift, type

TH400/350 Trans fluid type?

DanZ28 on Jun 2, 2006

Oct 11, 2017 10:16 AM
by FTICONVERTERS

15

52,337

Automatic Transmission

4l80, 4l80e, 99silverado, cheap, clutch, converter, dallas, direct, fort, hd2, ls1tech, modifications, performance, swap, th400, transgo, worth

4l80e on the cheapo

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Cam72aro on Jul 27, 2011

Sep 13, 2017 06:50 AM
by wht/73

183

126,931

Automatic Transmission

Rossler Terminator 3 Th400

Z06kern on Aug 22, 2017

Aug 25, 2017 03:43 PM
by robertallen1

7

8,400

Parts Classifieds

700r, automatic, break, c3, conversion, corvette, form, hotrod, installations, manual, pics, speed, swap, th400, transmission, zf, zf8

700R and ZF questions form a newbie

goldhunter_2 on Oct 12, 2011

Aug 24, 2017 06:38 PM
by Jeffrey Robinson

4

8,881

Automatic Transmission

4l80e, auto, bad, clanking, converter, correctly, drain, inspection, ls1, noise, plate, th400, torque, trans, transmission

Is my TH400 torque converter bad? (Video)

Z33Art on Apr 30, 2011

Jul 25, 2017 11:28 PM
by zukboi2004

6

16,609

Automatic Transmission

06, 4l60e, grinding, joints, load, ls1tech, noise, powerglide, pumps, rebuilt, steering, tbss, th400, trailblazer, transmission, whines

Whining under load TBSS

93TAWicked1 on Jun 10, 2012

Jun 13, 2017 06:20 PM
by mrvedit

4

9,683

Automatic Transmission

12, 14, 700, barb, cooler, cooling, ear991946erl, fitting, fittings, line, lines, pipe, size, th400, transmission

Tranny cooler lines..size/how to

BOA279 on Sep 11, 2007

Mar 20, 2017 12:55 PM
by 01ssreda4

18

44,359

Automatic Transmission

350, 350z, 400, 57l, gsx, location, ls1, ls1350, modular, power, pump, steering, swap, th400, trans

350z LS1/Th400 Swap Completed!

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1 2 3 4)

Z33Art on Oct 17, 2010

Mar 16, 2017 08:40 PM
by T/A KID

65

43,287

Conversions & Swaps

400, car, d6s, diagrma, drive, driveshaft, fox, length, ls1tech, measure, measurement, shaft, th400, transmission, ujoint

TH400 Driveshaft Length!

Wicked94Z on Aug 3, 2010

Feb 28, 2017 09:35 PM
by Game ova

19

17,394

Automatic Transmission

12563532, 12621399, 53, chevy, diagram, express, flexplate, flywheel, ls1, number, part, pn, tci, th400, work

LS1 to TH400 trans. What flywheel to use???

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1 2 3)

mt5425 on Jan 28, 2011

Feb 25, 2017 05:57 PM
by cferensen614

48

61,131

Conversions & Swaps

350, 53, 53ls, build, ls, motor, mount, mounts, mustang, put, putting, regular, swap, th400, turbo

1988 mustang 5.3 ls TH400 swap

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78supersport on Sep 14, 2010

Feb 9, 2017 05:34 PM
by 6D9

203

145,041

Conversions & Swaps

400, converters, jakes, jakesperformance, kit, kits, ls1tech, performance, problems, rebuild, sale, texas, th400, transmission, transmissions

Just finished dealing with Jakes Performance

groundczero on Oct 28, 2011

Dec 14, 2016 12:17 AM
by RPM WS6

14

15,744

Automatic Transmission

Tci 399753

dmracing on Apr 16, 2012

Dec 4, 2016 12:46 AM
by G-BODY-JAMES

7

14,641

Carbureted LSX Forum

350, 400, bolt, buick, chevy, cover, dust, ls1, lsx, pattern, swap, th350, th400, transmission, turbo

big question on th400/th350 swap

Taubr Unit on Mar 24, 2009

Sep 30, 2016 12:27 PM
by usachasen

14

11,117

Automatic Transmission

1993, 400, 4l60, am, buy, camaro, converter, fit, ls1, make, speedo, ss, swap, th400, torqe, trans, turbo, work

help with th400 swap. what parts to buy?

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midwestjunk on Nov 12, 2011

Sep 26, 2016 07:38 AM
by FTICONVERTERS

26

50,691

Automatic Transmission

Threads Tagged with th400