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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: 145
    • Views: 348,434
    10-24-2020, 01:14 PM 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: 97,511
    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: 102,768
    04-20-2016, 10:29 PM Go to last post
  1. PCM Tuner

    There was a gent on the forum (I believe) that would reprogram your pcm. Remove rear O2, egr , adjust speedo for gear ratio and tire size and trans...

    Started by hollywood63‎, 07-26-2021 08:39 AM
    • Replies: 0
    • Views: 17
    07-26-2021, 08:39 AM Go to last post
  2. 1990 cruise control

    Hello everybody. My second post here on the site. I have a 1990 C1500 that plan on doing a 5.3 swap into. The engine/trans part is a no brainer...

    Started by Kenh3497‎, 07-05-2021 08:27 PM
    • Replies: 1
    • Views: 122
    07-25-2021, 01:16 PM Go to last post
  3. New to the LS swap process

    Hello my name is Dana and I am new to this LS swap process. I do have a 1997 Z71 that I would like to put a LS 5.3L in. I have a complete 2003 Z71 ...

    Started by ddkam2001‎, 07-24-2021 07:14 AM
    • Replies: 0
    • Views: 51
    07-24-2021, 07:14 AM Go to last post
  4. 1994 C3500 LQ4 swap

    This forum has helped me a bunch for my swap. Iím about 90% done, except for a few gauges and wire cleanup. I am stuck on my fuel gauge, the...

    Started by MB48‎, 03-07-2021 08:12 AM
    21 Pages
    1 2 3 ... 21
    • Replies: 208
    • Views: 11,785
    07-19-2021, 03:29 PM Go to last post
  5. Wiring question

    Can anyone tell me if thosnis correct? Ive installed a 05 5.3 into my 1998 k1500 using a BP harness(stand alone) and thinned down factory harness, gm...

    Started by lit549‎, 05-12-2021 10:18 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 52
    • Views: 1,677
    07-06-2021, 06:38 PM Go to last post
  6. A/C Help After 5.3 Swap

    Hi Everyone. Swapped a 5.3 from a 2002 Tahoe into our 97 2 door Tahoe. We have been driving the thing all over the place because it is so much fun...

    Started by lovesdunes‎, 07-02-2021 10:59 PM
    • Replies: 0
    • Views: 86
    07-02-2021, 10:59 PM Go to last post
  7. 1993 Chevy OBS - 5.7L TBI to 5.3L Swap

    Hey everyone, I am just about to put the finishing touches on my swap project..for now :) It starts and drives, but I'm just waiting on a...

    Started by 93blackbeast‎, 06-20-2008 06:55 PM
    • Replies: 7
    • Views: 19,179
    07-01-2021, 11:07 AM Go to last post
  8. 1972 K5 Blazer with LS1 swap

    Bad ass machine here and after i got some of the electronics figured out i have a rattle when i get on it after its warm. Im suspecting its oil...

    Started by Tregrad‎, 05-21-2021 05:57 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 1,762
    06-14-2021, 09:18 PM Go to last post
  9. Spammmmm!!!!!!!!!!!!!!!!!!!!!

    I made a post and got hit with a TON of spam from some fool

    Started by Tregrad‎, 05-29-2021 11:20 AM
    • Replies: 2
    • Views: 304
    06-07-2021, 07:32 PM Go to last post
  10. LS Swap Silverado Michigan

    Hey LS Fans, I live in MI and am looking for a shop or mechanic that can do an LS swap from a 4.3L V6 to a 5.3 V8 on my 2005 Silverado. I live in...

    Started by bhallketchum‎, 05-08-2021 01:38 PM
    11 Pages
    1 2 3 ... 11
    ls swap, michigan, silverado
    • Replies: 101
    • Views: 3,839
    05-25-2021, 08:19 PM Go to last post
  11. Fuel guage problem post swap

    I just finished a ls 5.3 in my 99 suburban and now my fuel guage is pegged on full anyone have any idea's what I need to do to fix it?

    Started by 99suburbswap‎, 04-24-2013 07:33 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,998
    05-18-2021, 01:44 AM Go to last post
  12. wiring help needed

    Been lurking here for a couple months now, this place has been a great help for my obs 98 Sierra 4.3 to 99 5.3 swap with the 411 pcm and 4l60e...

    Started by Jay 8850‎, 07-07-2014 04:40 PM
    • Replies: 2
    • Views: 1,306
    05-17-2021, 10:51 PM Go to last post
  13. Post 88 C1500 4x4 6.0 LS swap

    New to the site. I am swapping a 88 C1500 to 6.0 and 4l60. All the headers I am finding say they will work on 2wd only. Have any of you guys used the...

    Started by Paul88‎, 02-20-2021 09:08 PM
    • Replies: 0
    • Views: 788
    02-20-2021, 09:08 PM Go to last post
  14. 6.0L LQ9 into my 1990 Chevy 454 SS

    EDIT: i just realized i posted this in the wrong section, i dunno if a moderator could move it to the LSX section or something? Hi my name is...

    Started by Racer7241992‎, 06-14-2010 09:37 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 28,551
    02-10-2021, 06:58 AM Go to last post
  15. Cool How I did 5.3 to nv3500 5 speed

    I'm going to post what I did to mate my nv3500 to my 5.3 since I wasn't able to find any reliable info when I did my swap. I bought the flywheel from...

    Started by tbr89gmc‎, 12-24-2010 10:33 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 68,462
    02-06-2021, 07:29 PM Go to last post
  16. Need help with DBW cruise control

    I'm buttoning up the last bits on my swap and I can't get the cruise to work...I have an 04 avalanche 5.3 and swapped it in a 93 obs..I used the...

    Started by 93blackbeast‎, 10-05-2008 06:56 PM
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 8,483
    01-15-2021, 06:53 AM Go to last post
  17. can not link scan tool to obd2 port

    I am at a loss here. I have my obd2 wire from pin 58 going to pin 2 0n obd port 4&5 grounded and my constant 12 volt hot. Hook up scan tool and...

    Started by jrmott‎, 01-02-2021 04:48 PM
    • Replies: 0
    • Views: 995
    01-02-2021, 04:48 PM Go to last post
  18. 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: 4
    • Views: 3,227
    12-28-2020, 10:14 PM Go to last post
  19. Throttle body chatter

    I have a drive by wire TBSS intake . I purchased the adapter to convert wiring to work with tbss from summit when you turn key to run position the...

    Started by jrmott‎, 11-22-2020 07:27 AM
    • Replies: 1
    • Views: 1,947
    12-27-2020, 06:36 PM Go to last post
  20. 95 Silverado ls swap questions

    Iím looking to do a ls swap in my 95 lwb Chevy it has a worn out 350 and 5 speed trans what it is all need to keep the 5 speed

    Started by Whitesilverado97‎, 12-23-2020 12:49 AM
    • Replies: 0
    • Views: 1,622
    12-23-2020, 12:49 AM Go to last post

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