Automatic Transmission - LS1TECH - Camaro and Firebird Forum Discussion

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8HP Transmission

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1 2)

Paul Bell on Feb 8, 2026

Apr 22, 2026 11:19 PM
by Paul Bell

27

1,835

Sticky

Automatic Transmission Stickies & FAQ

RPM WS6 on Jun 6, 2022

Jun 6, 2022 11:41 PM
by RPM WS6

0

7,791

Normal Threads

Help with Rollerized forward hub clearance to direct drum.

stingraymax on Apr 24, 2026

Apr 27, 2026 03:07 PM
by MaroonMonsterLS1

1

122

Tips, Tricks, Mods for the 4L60E OPEN FOR INPUT AND DISCUSSION BY EVERYONE.

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1 2 3 4 5 ... Last Page)

FranksCustomTrans on Dec 18, 2023

Apr 27, 2026 03:05 PM
by MaroonMonsterLS1

478

58,988

Custom Shift Indicator for 4L60E

evilstuie on Jun 19, 2023

Apr 27, 2026 12:21 PM
by drewtronics

16

5,496

4l80e foward drum clearance issue

Sleeper 71 lemans on Apr 24, 2026

Apr 24, 2026 06:02 PM
by FranksCustomTrans

1

152

Built early 4l80e. Convert to new internal harness or repin?

nossty1 on Apr 21, 2026

Apr 22, 2026 05:15 PM
by vorteciroc

9

352

2005 4l60e interchangable with 1999???

joshhenson on Mar 2, 2018

Apr 20, 2026 06:53 PM
by mrvedit

5

4,767

4L60e - No engine braking, only in Manual 1st

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1 2)

ben73 on Aug 19, 2022

Apr 13, 2026 11:07 AM
by kukrsao

32

5,852

Stalled C5?

LS1Silverado05 on Apr 9, 2026

Apr 13, 2026 10:35 AM
by FranksCustomTrans

1

197

Franks custom transmissions 2026 build specs and pricing updates and more-

FranksCustomTrans on Jan 28, 2026

Apr 4, 2026 12:53 PM
by Tommy42088

4

1,261

Modified 4L80E Questions

SledPuller on Mar 18, 2026

Apr 4, 2026 10:41 AM
by SledPuller

18

696

4l80e no / low line pressure in reverse

Wilbur Union on Feb 23, 2026

Mar 27, 2026 04:30 PM
by Wilbur Union

12

560

Trans inop

Bester on Mar 21, 2026

Mar 24, 2026 07:10 AM
by 2BFAST

7

283

Need some help and guidance on first 4l80e build.

stingraymax on Mar 22, 2026

Mar 23, 2026 02:12 PM
by stingraymax

2

234

6L80E:Where do I get torque converter tested?

Qtrhrse2323 on Mar 11, 2026

Mar 18, 2026 05:52 PM
by george01transam

4

293

TV cable stroke 1993 4L60

Claus Sorensen on Mar 11, 2026

Mar 16, 2026 09:43 AM
by FranksCustomTrans

7

386

6l80 inconsistent shifts

nathanrubi269 on Mar 14, 2026

Mar 14, 2026 10:40 AM
by nathanrubi269

0

187

4l60 auto trans problems no over drive stall not locking up

efrain gracia on Mar 9, 2026

Mar 13, 2026 03:13 PM
by efrain gracia

4

330

4L6e intermittent Transmission Issues

miletyme79 on Mar 8, 2026

Mar 12, 2026 07:13 PM
by mrvedit

3

316

RPMs hanging but truck still accelerates?

HappySalesman on Mar 4, 2026

Mar 8, 2026 10:54 PM
by 1FastBrick

4

229

4L80E Converter not Unlocking

mrbigjeep on Mar 3, 2026

Mar 5, 2026 11:47 AM
by FranksCustomTrans

6

299

4l80e gear loss

Evans performanc on Feb 25, 2026

Mar 4, 2026 09:01 PM
by jakeshoe

1

222

Manual 4l80E Trans Brake Options

TheTotalPackage01 on Feb 24, 2026

Mar 4, 2026 09:00 PM
by jakeshoe

4

304

Rebuilt 4L60E 2nd Gear starts in Drive

lucas.cl on Feb 24, 2026

Feb 26, 2026 10:57 PM
by lucas.cl

6

416

4l80e swap problem help needed

Malmutairi on Feb 23, 2026

Feb 24, 2026 10:47 AM
by FranksCustomTrans

7

323

4l60e proper rebuild for $1100

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1 2)

Eddiem75 on Jan 30, 2025

Feb 23, 2026 04:44 PM
by FranksCustomTrans

25

1,608

4L70E - How to tell if pump or torque converter broke?

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1 2)

Pulse_GTO on Jan 17, 2026

Feb 21, 2026 01:50 PM
by Pulse_GTO

31

1,007

Ok since i just paid another 300 to sponsor here , shameless plug prices and builds.

FranksCustomTrans on Feb 18, 2026

Feb 18, 2026 12:22 PM
by FranksCustomTrans

1

345

Pic requested of shifter cable bracket please

Kfxguy on Feb 16, 2026

Feb 16, 2026 02:59 PM
by 5.7stroker

3

239

Sonnax 4l80e-LB1

stingraymax on Jan 25, 2026

Feb 16, 2026 02:18 PM
by 5.7stroker

12

609

4L80 Park Neutral Position Switch - which to wire to PCM #34?

paradigmGT on Feb 15, 2026

Feb 16, 2026 11:26 AM
by paradigmGT

2

171

lost flex plate. what to check in 4L80

Mad_Scientist_565 on Feb 16, 2026

Feb 16, 2026 10:38 AM
by Mad_Scientist_565

1

159

Project cheapskate - TH700 build

dixiebandit69 on Dec 29, 2025

Feb 15, 2026 02:10 PM
by PBA

17

711

4L80e - TCC not locking up - 5.3 swap in 87 GN

paradigmGT on Feb 13, 2026

Feb 14, 2026 12:27 PM
by FranksCustomTrans

5

270

4L80 to 6L80 swap

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1 2 3)

Utinator on Dec 3, 2023

Feb 12, 2026 08:56 PM
by Utinator

59

19,260

Weird shifting 4l80e

chrisv45 on Feb 11, 2026

Feb 12, 2026 11:26 AM
by MaroonMonsterLS1

3

216

4L80E: EARLY Vs. LATE Lubrication-Circuit

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1 2 3 4 5 ... Last Page)

vorteciroc on Feb 24, 2021

Feb 6, 2026 05:14 AM
by mattie ice

191

102,020

Flexplate warped?

Finkledbody on Feb 3, 2026

Feb 5, 2026 09:53 AM
by strutaeng

6

275

my trans fiasco

Mad_Scientist_565 on Feb 3, 2026

Feb 5, 2026 09:43 AM
by FTICONVERTERS

1

233

Direct drum clearance 4l80e problem.

stingraymax on Jan 24, 2026

Jan 28, 2026 04:17 PM
by FranksCustomTrans

3

376

2nd-3rd shift under 2k RPM makes banging noise

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1 2 3)

Y2K_Frenzy on Dec 22, 2025

Jan 28, 2026 10:04 AM
by FranksCustomTrans

59

1,823

Awd slr ?

LSOHOLIC on Jan 26, 2026

Jan 26, 2026 08:45 PM
by LSOHOLIC

6

261

Quick question about line fittings adaptation

FranksCustomTrans on Jan 23, 2026

Jan 24, 2026 08:28 AM
by MaroonMonsterLS1

3

296

4L60E output shafts and their capacities

Pyroneus Dawnlight on Nov 10, 2023

Jan 22, 2026 11:49 AM
by mrvedit

11

5,363

Help with Direct Clutch Return Springs 4l80e.

stingraymax on Jan 22, 2026

Jan 22, 2026 10:44 AM
by stingraymax

2

230

Help - 4L80e swap - all gears go forward!

oharajo on May 17, 2014

Jan 21, 2026 12:41 AM
by Andyru25

5

26,355

transmision 8hp70

freeky on Jan 13, 2026

Jan 18, 2026 04:16 PM
by Project GatTagO

5

950

4L60E - My first rebuild

Stedi on Jan 8, 2026

Jan 17, 2026 09:24 AM
by bbond105

11

569

4l80e losing forward clutch

BlackBeard_lives on Jan 10, 2026

Jan 15, 2026 10:50 AM
by FranksCustomTrans

5

359

4L60E/ 65E/ 70E Pin-out

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1 2 3 4 5)

vorteciroc on Apr 23, 2021

Jan 14, 2026 01:02 PM
by Kamrynm1

91

142,166

Franks custom trans 4l60e build sheets and prices

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1 2 3 4 5 ... Last Page)

FranksCustomTrans on Oct 25, 2023

Jan 13, 2026 04:28 PM
by Tommy42088

159

24,095