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Forum: Powertrain

Engine | Transmission | Drive Axle | Chassis | Fuel

  1. Sticky Thread Sticky: 6L85E Specs, Info, How it Works

    Transmission General Description The Hydra-matic 6-Speed RWD is a fully automatic, 6-speed, rear-wheel drive, electronic-controlled...

    Started by admin‎, 08-11-2007 10:13 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 39
    • Views: 29,961
    08-12-2019, 04:36 AM Go to last post
  2. Sticky Thread Sticky: 4L60E Transmission Modifications

    This is a common question on the board so here is a link to Hit Man X's post over on GMFullsize ...

    Started by RedHeartbeat‎, 05-31-2007 04:03 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 32,693
    11-14-2017, 01:34 PM Go to last post
  3. Sticky Thread Sticky: 4L60E to 4L80E conversion in a GMT900

    Finally finished the 80e conversion. Damn, I need a lift in the worst way, my shoulder blades are raw from crawling around on my back under the truck...

    Started by RedHeartbeat‎, 03-08-2010 11:40 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 69
    • Views: 51,166
    04-17-2017, 05:05 PM Go to last post
  4. Sticky Thread Sticky: LS General Information Charts

    Guys...YOU'RE WELCOME. :dancenana: LS General Charts Seriously...go ahead. Take a look. I personally pooped my drawers after finding this. ...

    Started by txarkitekt‎, 02-10-2010 03:04 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 14,172
    08-05-2016, 08:35 AM Go to last post
  5. Sticky Thread Sticky: 4.8 to 6.0 Engine Swap

    Engine swap in a 2001 Silverado '01 4.8L to '07(classic) 6.0L This is a step-by-step removal and replacement of the 4.8, 5.3 and 6.0L trucks. This...

    Started by agreif‎, 08-29-2007 08:30 AM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 44,361
    11-30-2011, 06:43 PM Go to last post
  6. Sticky Thread Sticky: Abbreviations & Terminology

    Below is a list of terms & abbreviations common to everything vehicle related (if you need a course on chat room lingo & abbreviations, Google it!)....

    Started by DamnYankee‎, 05-16-2008 03:53 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 15,360
    08-05-2011, 02:48 AM Go to last post
  7. Sticky Thread Sticky: "Complete" RPO database...

    This may have been posted already, but if it is, I can't find it. Anyway, below is a link to RPO codes...pretty helpful for figuring out gearing,...

    Started by DamnYankee‎, 07-05-2006 05:56 PM
    • Replies: 5
    • Views: 6,572
    05-31-2011, 04:19 AM Go to last post
  8. Sticky Thread Sticky: transmission install write up

    Alright everyone, I figured Id make a semi short transmission install write up, hopefully this can help someone in the future. vehicle receiving...

    Started by VenomHP‎, 01-26-2009 04:22 PM
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 13,470
    02-14-2009, 11:22 AM Go to last post
  9. Sticky Thread Sticky: 2008 Vin Derivative

    Started by farmtruc‎, 10-02-2008 12:34 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 7,928
    10-07-2008, 12:02 AM Go to last post
  1. Speed Engineering Headers

    Has anyone used the OBS to LS swap long tube headers? Stainless steel and look pretty good, just curious if someone had used these before?

    Started by DavidYadon‎, 12-04-2016 12:07 AM
    • Replies: 4
    • Views: 2,217
    10-05-2019, 01:57 PM Go to last post
  2. 6L80 and LS engine wiring harness onto 454

    Hey guys is it possible to get a 6L80 truck swap over the wiring for the powertrain into a RV or am I going to require the body controller also ?

    Started by jbauto‎, 09-22-2019 02:20 PM
    • Replies: 0
    • Views: 147
    09-22-2019, 02:20 PM Go to last post
  3. clutch recommendation

    i know there ain't hardly nobody left who likes rowing their own gears nowadays... much less folks who also hop up the engines, too, but hopefully...

    Started by zebra‎, 07-09-2016 08:47 PM
    • Replies: 3
    • Views: 1,489
    08-11-2019, 10:07 PM Go to last post
  4. 2004 4.3v6 to 5.3v8 swap

    hi all, im new here. ive read through many of your guys forums for years. just never joined till now, anyways. I have a 2004 silverado ls long bed...

    Started by Silvaraaado91‎, 07-27-2017 09:55 AM
    • Replies: 1
    • Views: 678
    08-10-2019, 08:57 PM Go to last post
  5. Reccomended Torque Converter

    Hey guys. I have been running circle D's "off the shelf" "GM 278mm HP 4L80 LS Torque Converter" since my swap. It seemed to be fun when I was...

    Started by kewljay223‎, 02-02-2019 10:45 PM
    • Replies: 3
    • Views: 850
    08-07-2019, 07:18 AM Go to last post
  6. gaskets for exhaust

    my headers for my build came in today, but they came with two different pairs of gaskets im not sure what set I should use, pictures below ...

    Started by joakwin‎, 03-30-2019 02:44 PM
    • Replies: 2
    • Views: 1,183
    04-03-2019, 10:40 AM Go to last post
  7. Castech #607 Keep or junk them?

    Questions on the Castech #706 casting coolant leak problem? Does the leak start only after the engine has been once over heated or do they just...

    Started by metalchips‎, 03-23-2019 11:50 AM
    • Replies: 0
    • Views: 212
    03-23-2019, 11:50 AM Go to last post
  8. G80 swap in 04 Yukon Denali

    I have an 04 Yukon Denali and will be attempting to swap a push button 4wd transfer case in place of my AWD system. I'm also getting a good deal on...

    Started by EfiniMotorsport‎, 01-24-2019 11:16 PM
    • Replies: 0
    • Views: 351
    01-24-2019, 11:16 PM Go to last post
  9. Swapping AWD to 4wd in 04 Yukon Denali

    I've got a few questions about swapping the AWD transfer case in my 04 Yukon Denali to a push button 4wd setup and wanted to know if anyone's done...

    Started by EfiniMotorsport‎, 01-24-2019 11:09 PM
    • Replies: 0
    • Views: 409
    01-24-2019, 11:09 PM Go to last post
  10. Hey guys tranny question

    I have a 73 c10 With a dbc 5.3 It has a 4l60e in it It has the TCC hooked up Two things first The Speedo when connect to my WiFi dongle...

    Started by Eskimomann209‎, 01-06-2019 12:50 AM
    • Replies: 0
    • Views: 707
    01-06-2019, 12:50 AM Go to last post
  11. 4.8 with a stock 6.0 cam

    Would like some help with this. The wife's 5.3 has cracked heads was going to just change out the heads but at 250k why. I have a 4.8 with 40k on it...

    Started by KS GMC‎, 10-29-2018 01:07 PM
    • Replies: 1
    • Views: 1,066
    11-18-2018, 09:36 AM Go to last post
  12. Dương vt silicon hit đất rung thụt ngoáy

    Giá sản phẩm: 680,000 VNĐ Liên hệ:0389.346.762 Mis. Hằng Tnh năng: Kch thch điểm G, âm vt, giải tỏa sinh lý hiệu quả...

    Started by saobanggps‎, 11-14-2018 05:44 AM
    • Replies: 0
    • Views: 382
    11-14-2018, 05:44 AM Go to last post
  13. LS and 4L80 into a RV need some LS experienced people to chime in !!

    Hey guys Im doing a LQ4 into a 22ft winnebago RV with a 4L80. I will be using this rv to go on cross country road trips with friends and more then...

    Started by jbauto‎, 09-15-2018 10:13 PM
    • Replies: 1
    • Views: 1,019
    09-19-2018, 05:35 PM Go to last post
  14. 4l60e from vortec 5.7 to 5.3 problem

    Hey guys I have a issue from trying to use my built 4l60e to my new 5.3. It feels like the torque converter is pashing against the flex plate and not...

    Started by austingotboost‎, 04-19-2018 09:21 PM
    • Replies: 1
    • Views: 1,655
    04-30-2018, 12:14 AM Go to last post
  15. 4L80E trans stalling engine

    I have scoured the archived forum posts to get an education on my problem. Ive found some help but not enough. Here are the particulars. The...

    Started by doug25427‎, 02-04-2018 12:44 PM
    • Replies: 1
    • Views: 1,171
    03-17-2018, 01:37 AM Go to last post
  16. Ford 9" or a built 8.5.

    Which would be good for a street/strip truck with a carb lq9?

    Started by Boshears‎, 01-08-2018 12:14 PM
    • Replies: 0
    • Views: 894
    01-08-2018, 12:14 PM Go to last post
  17. 799 Head Question

    Does anyone know the maximum lift on the stock 799 valve springs? I bought some 799 heads, and also got a cam package from texas speed with the ls6...

    Started by Harprhet‎, 08-30-2017 10:49 PM
    • Replies: 3
    • Views: 1,664
    09-01-2017, 08:35 PM Go to last post
  18. 2001 5.3 Yukon XL transmission swap to 4l80e?

    Newb here!! I have been looking around and I have kind of go some info on it, like the 32 pin input shaft/gear for the Transfer case, and reflash of...

    Started by yukonmatt‎, 08-09-2017 01:01 PM
    • Replies: 2
    • Views: 930
    08-17-2017, 02:02 AM Go to last post
  19. Fuel pressure,compression questions?

    I am new to the LS engine.I just bought a 87 c10 with a 5.3 (I hope) and a 4l60 trans.I drove it home 70 miles and it quit on me numerous times.It...

    Started by 72farmer‎, 07-30-2017 06:25 AM
    • Replies: 1
    • Views: 691
    07-30-2017, 01:03 PM Go to last post
  20. 4l60e doesnt like 4th gear

    Anyone know of a thread i can read up on with 4l60e issues not wanting to stay in fourth gear. Can cruise 70 in fourth with lockup on but any...

    Started by Ricobautista‎, 06-20-2017 05:26 PM
    • Replies: 0
    • Views: 744
    06-20-2017, 05:26 PM Go to last post

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