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Forum: Powertrain

Engine | Transmission | Drive Axle | Chassis | Fuel

  1. 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 10:40 AM
    8 Pages
    1 2 3 ... 8
    • Replies: 72
    • Views: 165,766
    01-23-2023, 12:49 AM Go to last post
  2. 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 09:13 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 39
    • Views: 103,918
    08-12-2019, 03:36 AM Go to last post
  3. 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 03:03 PM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 83,329
    11-14-2017, 12:34 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 02:04 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 44,883
    08-05-2016, 07:35 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 07:30 AM
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 101,926
    11-30-2011, 05:43 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 02:53 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 62,855
    08-05-2011, 01:48 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 04:56 PM
    • Replies: 5
    • Views: 21,307
    05-31-2011, 03:19 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 03:22 PM
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 55,982
    02-14-2009, 10:22 AM Go to last post
  9. Sticky Thread Sticky: 2008 Vin Derivative

    Started by farmtruc‎, 10-02-2008 11:34 AM
    2 Pages
    1 2
    • Replies: 12
    • Views: 36,063
    10-06-2008, 11:02 PM Go to last post
  1. Circle D verter

    Lookin around on their website but I can't seem to find the reworked TB converter. I've heard good things about this company, that'd be cool also if...

    Started by 1_fastsilverado‎, 04-05-2009 07:49 PM
    • Replies: 9
    • Views: 5,557
    01-27-2026, 04:00 PM Go to last post
  2. Amsoil

    Hey guys im in the process of switching over to amsoil, I have an 02 6.0 and 135k on the clock. Any suggestions? Im doing front and rear diffs, and...

    Started by Esky02‎, 04-06-2010 05:23 PM
    • Replies: 5
    • Views: 3,553
    01-25-2026, 06:15 PM Go to last post
  3. Free Mod List?? Is there such a thing?

    Ok, ive done a couple searches and didnt really find anything. I want to get a run down of all the free mods or very cheap mods i can do to my 03...

    Started by HotRodV6‎, 12-03-2007 12:09 PM
    • Replies: 5
    • Views: 3,581
    01-22-2026, 02:44 PM Go to last post
  4. 4l80e center support wear.

    Ive got what i think is considerable amounts of wear on my center support where the 4 teflon rings are. I have searched all my books and googled the...

    Started by jansen‎, 05-17-2012 08:44 AM
    • Replies: 3
    • Views: 2,845
    01-22-2026, 02:48 AM Go to last post
  5. Flex-a-lite fans, Corsa and Volant on sale!

    The following products are on sale until Sunday evening (11/16) - 282 Flex-a-lite electric fans $385.99 14271 Silverado/Sierra 1500 4.8/5.3L...

    Started by tbyrne‎, 11-10-2003 09:33 AM
    • Replies: 2
    • Views: 3,075
    01-18-2026, 08:52 AM Go to last post
  6. Boosting a 6.0L

    Question. Researching to swap in a 6.0L from an 04 GM into my 93 GM 1/2 ton. Got a separate forum to deal with the swap. Adding a turbo has also...

    Started by Rebel37‎, 03-01-2012 10:13 AM
    • Replies: 9
    • Views: 5,309
    01-10-2026, 05:54 AM Go to last post
  7. Acceleration Under Load problem

    Hi everyone, my truck after 6.0L swap has been running fine for a little over a year. The other day I was working on installing an electric fan...

    Started by DannyA‎, 06-07-2011 08:44 PM
    • Replies: 5
    • Views: 3,549
    12-25-2025, 06:06 AM Go to last post
  8. One more issue (i hope)

    ok here it goes,im dropping in the ly6 today and find out the flywheel on the ly6 if different from the 4.8,,,no biggie right?so i just swap...

    Started by CHEVROLADE‎, 06-23-2010 08:42 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 4,504
    12-23-2025, 04:42 PM Go to last post
  9. Launch technique

    I've got all these plans to make my truck fast, which I will, but I was wondering how all you guys try to launch your trucks. With my truck 100%...

    Started by krwyellowZ28‎, 12-24-2005 12:41 PM
    • Replies: 4
    • Views: 2,950
    12-22-2025, 11:55 AM Go to last post
  10. Need Help ASAP! LQ9 Block I.D.

    Long story short: May 10th sucked water into motor, take truck to local stealership (only decent mechanics in rural area), bent rod, get...

    Started by 69chvelle‎, 07-31-2009 01:15 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 8,104
    12-21-2025, 11:11 AM Go to last post
  11. Understanding Cam and Ignition Taming (educational purposes)

    To help get a better understanding of cam timing I have been doing some research. The cam I am using for example is the stock 5.3 LM7 Cam So I...

    Started by MKader17‎, 01-23-2011 04:11 PM
    • Replies: 2
    • Views: 2,781
    12-20-2025, 01:58 PM Go to last post
  12. Trying to bolt my heads on

    Ok theres gotta be another way to clean out the old thread sealant from the engine block. The GM manual tells me I need to buy a $100.00 tool! Any...

    Started by Jake1982‎, 04-30-2010 07:26 PM
    • Replies: 5
    • Views: 5,457
    12-14-2025, 06:52 AM Go to last post
  13. 4L80 conversion

    So I read this article: http://www.ls1truck.com/forums/front-page-news/14163-how-4l60e-4l80e-trans-swap.html and I am unclear on 2 things. ...

    Started by jetmech‎, 01-11-2015 08:40 PM
    • Replies: 3
    • Views: 3,182
    12-13-2025, 09:19 AM Go to last post
  14. Why did GM switch to .040" gap plugs in the 5.3s?

    Doing a 100K PM on a 01 suburban and can't find ac delco plugs w/ .060" gap. Service manual and sticker in the engine compartment call out .060"...

    Started by Hotwire‎, 03-10-2007 01:22 PM
    • Replies: 8
    • Views: 3,696
    11-29-2025, 08:09 AM Go to last post
  15. LS1 with 862 heads

    I may have found an LS1 shortblock I can drop in my truck but I want to know if I can use the 862 heads from my 4.8 on the LS1. Also, what will the...

    Started by jetmech‎, 12-01-2010 08:21 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 14,936
    11-25-2025, 03:57 PM Go to last post
  16. heater core fix?!?!

    well since no one really knew how to help, i guess im the first with this problem and i dont have time to sit in the parking lot and change fittings...

    Started by 99sierra4x4‎, 06-17-2008 09:58 PM
    • Replies: 5
    • Views: 3,542
    11-23-2025, 10:37 AM Go to last post
  17. buddy with a cam

    ok been lookin for a cam here recently and talked with Allen through PM's and what not and knew kinda general area of what i was lookin for..... WELL...

    Started by TxStVanWilder‎, 08-12-2006 08:38 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 6,271
    11-16-2025, 11:25 AM Go to last post
  18. 243 Or 317?

    Which is a better head, what did they come on? Anyone have any for sale?

    Started by WARLOCK‎, 09-23-2009 09:17 PM
    • Replies: 5
    • Views: 3,258
    11-12-2025, 04:38 AM Go to last post
  19. Lets play with our CV joints

    2000 Silverado, got some minor movement in my half axles (between CV's and hubs). They slip in and out lengthways a little bit, does this mean they...

    Started by TheChronic‎, 06-09-2005 09:50 PM
    • Replies: 3
    • Views: 3,220
    11-11-2025, 10:03 AM Go to last post
  20. 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, 12-03-2016 11:07 PM
    • Replies: 8
    • Views: 12,835
    11-10-2025, 06:23 PM Go to last post

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