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Forum: LSX Truck Conversions

All LS Based Conversions

  1. Flex plate issue on 4l80e swap! Please help !

    I posted a while back with some questions about the 4l60 to 4l80 swap. I have a 1997 z71(350 vortec) and a rebuilt 94 4l80e. Well I am currently in...

    Started by Megamanx268‎, 12-17-2011 06:20 PM
    • Replies: 5
    • Views: 2,911
    12-22-2011, 11:00 PM Go to last post
  2. OBS LS Swap Fuel Pump tip *very helpful*

    Why splice together wires to make ur new 255 fuel pump work to work with or old tbi setup? I just bought summits edelbrock #3581. It is actually...

    Started by HPICamaroSS‎, 12-22-2011 05:25 PM
    • Replies: 2
    • Views: 4,632
    12-22-2011, 09:08 PM Go to last post
  3. Vats bypass question

    i really want to get my truck running as soon as possible so i read alot of forums about vats bypass modules and was just wondering if they work and...

    Started by Bad 454ss‎, 12-06-2011 10:01 PM
    • Replies: 5
    • Views: 2,521
    12-21-2011, 04:53 PM Go to last post
  4. obs to lsx guage fittings

    Thaught I would get the word out, auto meter makes the adaptor fittings for hooking up your old sending units for guages. There. A lot cheaper that...

    Started by chriszildjian17‎, 12-17-2011 11:51 AM
    • Replies: 2
    • Views: 3,094
    12-19-2011, 08:38 AM Go to last post
  5. Will a 1998 4l80e work with 2002 6.0

    Im pretty sure it will but just want to make sure before i go buy the boss. thanks its a 4l80e out of a 1998 2500 im going to put it with my 2002...

    Started by HPICamaroSS‎, 12-17-2011 06:07 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 5,333
    12-18-2011, 07:17 PM Go to last post
  6. Friend with a issue... And Im clueless

    Truck is 1990 Silverado with a 2004 Silverado's 5.3. The truck has a new water pump as in brand new. A SLP 160 t stat. Has a New 2 core radiator. And...

    Started by Show&Go‎, 12-16-2011 10:03 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,855
    12-17-2011, 10:41 PM Go to last post
  7. LH8 Hummer H3 pan in OBS 88-98 C1500

    I've been searching all morning trying to find someone who has installed a LH8 oil pan in an 88-98 truck. My truck is lowered so I don't want an oil...

    Started by mikesz‎, 12-15-2011 09:30 AM
    • Replies: 6
    • Views: 5,611
    12-17-2011, 04:39 PM Go to last post
  8. Its always the little things; can't find exhaust flanges

    It seems its always the stupid stuff that takes more time and effort than the more complicated crap. Took an LM7 from a 5.3 in a 2004 silverado....

    Started by dothedew‎, 12-17-2011 01:08 PM
    • Replies: 2
    • Views: 1,678
    12-17-2011, 03:51 PM Go to last post
  9. exhaust port blueprinting question

    Would it be worth it to match port the exhaust ports and the exhaust manifolds to the same diameter holes as the exhaust gasket? I have the heads all...

    Started by exboatracer‎, 12-15-2011 02:51 PM
    • Replies: 3
    • Views: 2,182
    12-16-2011, 11:12 AM Go to last post
  10. horsepower guess for new lq4

    so i got a 99 lq4 from a junkyard. i put a comp cam in it ( dur at .050 208int/212 ext and valve lift 554int/558 ext.) and beehive springs. got long...

    Started by kbomhower‎, 12-15-2011 12:00 PM
    • Replies: 3
    • Views: 2,097
    12-15-2011, 09:16 PM Go to last post
  11. Exclamation 1994 K1500 4.3 to LSX

    Hey folks, new guy here. Been lurking for a while, figured I'd sign up and start being active. I've done some research on the LS swaps. I had a '56...

    Started by Astro‎, 12-13-2011 11:21 PM
    2 Pages
    1 2
    4x4, lsx, manual, obs
    • Replies: 11
    • Views: 23,167
    12-14-2011, 09:38 PM Go to last post
  12. 5.3 head bolts

    On a stock motor, can I reuse the head bolts? Thanks.

    Started by exboatracer‎, 12-12-2011 11:43 AM
    • Replies: 3
    • Views: 2,684
    12-12-2011, 03:32 PM Go to last post
  13. What Transfer case to use in 1994 OBS 6.0 4L80E Swap

    I was wondering what the possibilities are for hooking up transfer cases to the 4l80e. A 241C transfer case is whats in my truck right now (manual...

    Started by HPICamaroSS‎, 12-07-2011 06:07 PM
    lsx swap ls1 6.0 5.3
    • Replies: 7
    • Views: 4,246
    12-10-2011, 07:45 PM Go to last post
  14. obs tach hookup

    Hey I couldn't find what I was looking for searching. The only thing I haven't had time to do to finish my lq4 swap completely is hook up the factory...

    Started by scarybowtie‎, 12-08-2011 03:35 PM
    • Replies: 6
    • Views: 3,442
    12-08-2011, 08:48 PM Go to last post
  15. exhaust...anybody use this muffler?

    http://www.dynomax.com/mufflers.php?muffler=ultraflox its got a built n x pipe. i think it would fit nicely in the stock location. anyone use...

    Started by myzterray‎, 12-07-2011 10:57 AM
    • Replies: 7
    • Views: 3,464
    12-08-2011, 11:31 AM Go to last post
  16. Question Corvette Servo Kit Install--Which One?

    Running a bone stock 2001 LS1 F-Body 4L60E tranny in my truck. Want a bit better shifting, that the Corvette servo kit is suppose to provide. But...

    Started by LS1GMCTruck‎, 12-07-2011 09:36 AM
    • Replies: 4
    • Views: 2,025
    12-07-2011, 12:40 PM Go to last post
  17. Question RE: Shoenfeld headers....pros/cons

    with the LS2 and the Mcloud bell set up you can see the protrusion of the bell that accomodates an optional starter mount if used. I am using a...

    Started by dustiebutt‎, 12-07-2011 08:16 AM
    • Replies: 1
    • Views: 1,420
    12-07-2011, 08:19 AM Go to last post
  18. 90 suburban 3/4 ton 4x4 5.3 swap. Couple questions.

    So i cant seem to find the answer to a couple little questions i have on my swap. Im running a th400 trans and a np241 transfercase. The truck is an...

    Started by y5mgisi‎, 11-27-2011 12:06 PM
    1990, gauge, suburban, swap, vss
    • Replies: 1
    • Views: 4,384
    12-06-2011, 09:31 AM Go to last post
  19. problem need help

    i put a ls1 out of a 98 corvette. i got it from a guy that had it in a 57 Chevy. it came with a stand alone harness and the original comp. when i...

    Started by Bad 454ss‎, 12-04-2011 08:32 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,470
    12-05-2011, 11:39 PM Go to last post
  20. Southern Performance Headers?

    http://www.southernperformancesystems.com/BRP/88-98-truck.html Has anyone ever used these things in the GMT400 chassis? They aren't cheap like...

    Started by Badass69‎, 12-05-2011 10:02 AM
    • Replies: 4
    • Views: 2,603
    12-05-2011, 09:13 PM Go to last post

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