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Forum: LSX Truck Conversions

All LS Based Conversions

  1. Sticky Thread Sticky: OBS to LSx conversion

    Starting this to answer as many questions as I can in one place. I am trying to compile the most complete list of what to do to complete a conversion...

    Started by RedHeartbeat‎, 12-17-2006 01:35 AM
    15 Pages
    1 2 3 ... 15
    • Replies: 143
    • Views: 317,282
    06-13-2018, 09:35 AM Go to last post
  2. Sticky Thread Sticky: Part Numbers needed for an LS1 swap

    Hey Guys, these questions get asked quite a bit, and what better way than to make a sticky with all the part numbers you'll need. I'm open to...

    Started by farmtruc‎, 02-28-2005 11:57 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 49
    • Views: 87,451
    09-24-2017, 03:33 PM Go to last post
  3. Sticky Thread Sticky: PCM pinout diagrams

    2001 silverado (Thanks Banker099) This image has been resized. Click this bar to view the full image. The original image is sized 799x247...

    Started by RedHeartbeat‎, 11-21-2008 08:52 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 81,180
    04-20-2016, 10:29 PM Go to last post
  1. 88 ls1 conversion

    i am fixing to start my ls1 swap in my 88 obs, its 2wd, no tach, im putting a built 700r4 back in it with the rv cable conversion from bowtie and...

    Started by blackout5.3‎, 09-16-2019 12:22 AM
    • Replies: 1
    • Views: 980
    05-17-2020, 01:29 AM Go to last post
  2. 94 Silverado swap questions

    Hi guys, I have a 94 Silverado I'm putting a aluminum LS1 into and I have a few question about the gauges. I have removed the old TBI harness that...

    Started by woomugen‎, 02-17-2015 03:58 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 8,836
    04-30-2020, 11:55 PM Go to last post
  3. 5.3 to nv3500 want to double check before I install please

    I have a 93 Sierra NV 3500 4 x 4 I'm putting a 2000 5.3 in I have everything bolted up with the parts I ordered just want to double-check before I...

    Started by Homer ak 94‎, 11-23-2018 10:49 PM
    • Replies: 2
    • Views: 936
    04-13-2020, 09:20 PM Go to last post
  4. 1996 Chevy 7.4 Vortec Exhaust Manifolds to 5.3L

    Quick question for you guys, does anyone know if 1996 Chevy 7.4 Vortec exhaust manifolds will fit a 5.3L? They appear to fit a little more snug than...

    Started by BuickBroke$$$‎, 02-24-2020 07:12 PM
    • Replies: 2
    • Views: 942
    03-30-2020, 05:34 AM Go to last post
  5. Engine Speed Signal HELP!

    Hi. I can't find the white wire from my 97 Harness that originally went to ECM C3-9 from the Coil for the engine speed signal. On the 5.3 computer...

    Started by lovesdunes‎, 03-27-2020 04:35 PM
    • Replies: 1
    • Views: 661
    03-27-2020, 06:07 PM Go to last post
  6. Lextech's A/C Bracket Kit

    I just finished making an A/C bracket kit that will allow the stock A/C compressor and lines to be used when doing a Gen3 install. I have seen a lot...

    Started by Lextech‎, 10-05-2011 07:28 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 76
    • Views: 53,034
    02-25-2020, 12:47 AM Go to last post
  7. 5.3 truck motor

    doing a rebuild and a swap on a old 5.3 truck. have a new block going in the truck with some regular 243 heads going on them (going to rebuild the...

    Started by lesso133‎, 02-05-2020 05:34 PM
    #5.3ls #6.2ls #crank
    • Replies: 0
    • Views: 364
    02-05-2020, 05:34 PM Go to last post
  8. 2013 4.3 V6 to L96 Swap

    New to the site but have been searching for some information for a while now. Just bought a 2013 RCSB with the 4.3 V6 and 4L60E. Truck only has...

    Started by decato‎, 01-06-2020 12:50 PM
    • Replies: 1
    • Views: 559
    02-03-2020, 06:52 AM Go to last post
  9. Does anyone know if Texas Speeds 99-07 4x4 headers would fit a 5.3 swap?

    I want to put a 5.3 in my 97 4x4 tahoe and was wondering if those headers would fit?

    Started by ThatBlackTahoe_619‎, 01-12-2020 10:03 PM
    • Replies: 0
    • Views: 525
    01-12-2020, 10:03 PM Go to last post
  10. 97 OBS factory Harness vs LQ4 harness

    Ok Beginning Phase of my Mental Swap. Im tryna wrap my mind around the electrical. Whats the best way to get my swap electrical done. Im not...

    Started by Torreyg123‎, 01-10-2020 03:10 AM
    • Replies: 0
    • Views: 678
    01-10-2020, 03:10 AM Go to last post
  11. 5.3 injector question

    hey all, first post here. this is my first LS swap. i've got a 2003 LM7 with about 80K, i've added an LS9 cam a92mm throttle body and I was told...

    Started by 3 x a charm‎, 11-03-2019 03:44 PM
    • Replies: 1
    • Views: 693
    01-09-2020, 09:51 PM Go to last post
  12. Anxiety over a yoke

    95 rcsb sierra that had a v6 swapped in a 6.0/4l80 with sliding dirty dingo mounts. What 4l80 yoke do i need? I have 2 different ones and niether of...

    Started by Jdmdrew‎, 09-17-2019 12:38 AM
    • Replies: 2
    • Views: 759
    01-09-2020, 09:48 PM Go to last post
  13. How to use 93-94 4l60e off of the 2001 pcm??

    Ok so I've seen a couple of you do it , but for the life of me can't find the exact threads on it. What steps did it take to use this transmission...

    Started by 81nascar‎, 12-28-2017 06:38 AM
    • Replies: 1
    • Views: 1,202
    11-29-2019, 01:10 AM Go to last post
  14. AC Problem after LS Swap

    1989 C1500 with an 05 5.3, drive by wire throttle, R4 AC Compressor. I didnít have any AC issues before the Swap, I left the Compressor hooked up...

    Started by ChevySport16‎, 07-03-2019 04:43 PM
    • Replies: 1
    • Views: 1,309
    10-07-2019, 05:32 PM Go to last post
  15. odd trans behavior after swap (4l60e)

    finished up my swap about 2 months ago and have been driving it pretty often. hour drive to work or pulling my trailer with quads and dirtbikes. Only...

    Started by williscr3‎, 10-03-2019 10:04 AM
    • Replies: 0
    • Views: 653
    10-03-2019, 10:04 AM Go to last post
  16. 1995 z71 5.3 swap

    Any help is really appreciated, I have a 1995 Chevrolet z71, originally had the 5.7 tbi with the 4l60 trans. My plan is to take everything from a...

    Started by 95z‎, 08-24-2019 12:34 AM
    • Replies: 1
    • Views: 1,002
    08-26-2019, 08:06 AM Go to last post
  17. First swap 96 k2500

    Hello all, i am about to start my first swap and am trying to get a few of the parts lined up. I also want to use this as a platform to ask questions...

    Started by wigglewerks‎, 08-13-2019 07:45 AM
    • Replies: 2
    • Views: 1,172
    08-17-2019, 05:16 PM Go to last post
  18. Ls 5.3

    Looking to do a 5.3 swap into a c10 74 with a 4l60 trans what part do I need to complete the swap beside the motor mout plated

    Started by Cllamas90‎, 08-12-2019 10:50 PM
    • Replies: 0
    • Views: 626
    08-12-2019, 10:50 PM Go to last post
  19. TCC Switch and Nelson Performance Harness.

    Hey there. I've had a LQ4/4L80e swap running in my 1990 SCSB for several years. The truck isnt driven much and I just learned about the TCC switch....

    Started by EmoJackson‎, 08-12-2019 06:47 PM
    converter, harness, switch, tcc, torque
    • Replies: 0
    • Views: 654
    08-12-2019, 06:47 PM Go to last post
  20. 1994 silverado ls swap 4L60E help fast pls

    Doing ls 5.3 swap in my 1994 Silverado xtr cab >can i use my old trans 4L60E for the swap what do i need to do to make it work? 5.3 engine is from...

    Started by zack‎, 07-25-2019 09:06 PM
    • Replies: 0
    • Views: 1,089
    07-25-2019, 09:06 PM Go to last post

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