Engine Performance + Maintenance

If it's under the hood, its in here.

  1. 96+ Vortec Performance + Computer Swaps

    If you want to do the 0411 PCM swap or have a 1996+ Vortec motor this is your forum!
    727
    Discussions
    8,606
    Messages
    Latest: 1997 K2500 Suburban 454 Fuel System suggestions ZRoe, Oct 22, 2019 at 4:47 PM

  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    391
    Discussions
    5,056
    Messages
    Latest: Priming a new engine RDF1, Oct 21, 2019 at 10:21 AM

  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    803
    Discussions
    9,604
    Messages
    Latest: What headers for 7.4? ZRoe, Oct 23, 2019 at 8:59 AM
Car Parts
Page 1 of 518
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. Mike

    The Stupid Engine Questions Thread

    Mike, Dec 3, 2009 ... 112 113 114
    Replies:
    1,136
    Views:
    168,605
    east302
    Oct 16, 2019
  2. Bighead38

    Putting A Chip In A TBI Truck

    Bighead38, Dec 3, 2009 ... 16 17 18
    Replies:
    177
    Views:
    156,605
    PlayingWithTBI
    Oct 8, 2019
  3. Devs93

    The Ultimate 88-98 Performance Toolbox

    Devs93, Aug 1, 2012 ... 2 3
    Replies:
    27
    Views:
    132,604
    OCD INC
    Aug 25, 2019
  4. Ginger

    Water Pump Relacement

    Ginger, Dec 4, 2009 ... 5 6 7
    Replies:
    68
    Views:
    45,851
    Trigger_guard
    Jun 21, 2019
  5. monstar_est87

    How to MarkVIII your OBS on a budget..!

    monstar_est87, Apr 30, 2012 ... 14 15 16
    Replies:
    156
    Views:
    97,196
    Supercharged111
    Jan 28, 2019
  6. Ginger

    Intake Gasket Replacement

    Ginger, Dec 4, 2009 ... 7 8 9
    Replies:
    86
    Views:
    64,325
    Markus
    Jan 23, 2019
  7. Greg

    Maintenance: RPO Code Database & Decoder

    Greg, Dec 4, 2009 ... 2 3
    Replies:
    22
    Views:
    24,956
    Kyle89
    Dec 30, 2018
  8. shelbyt.67

    ULTIMATE TBI mods stage 1

    shelbyt.67, Jun 28, 2012 ... 23 24 25
    Replies:
    245
    Views:
    203,561
    92GMCK2500
    Nov 21, 2018
  9. Hodges87

    How to Replace oil filter adapter gasket & o-ring

    Hodges87, Dec 14, 2009 ... 3 4 5
    Replies:
    46
    Views:
    109,525
    Chevy blood
    Aug 16, 2018
  10. supjim12

    Tune Up Parts Numbers

    supjim12, Dec 22, 2009 ... 2 3 4
    Replies:
    33
    Views:
    36,067
    Schurkey
    Jul 20, 2018
  11. Greg

    GMT400 History

    Greg, Mar 16, 2010 ... 18 19 20
    Replies:
    199
    Views:
    195,276
    ThundahBeagle
    Nov 26, 2017
  12. Mike

    LS Swapping and Performance FAQ

    Mike, Aug 3, 2013
    Replies:
    9
    Views:
    18,961
    Fedeleon11
    Sep 24, 2016
  13. 88GMCtruck

    Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)

    88GMCtruck, Apr 14, 2010 ... 2 3
    Replies:
    21
    Views:
    46,894
    txgp17
    Oct 24, 2013
  1. man-a-fre

    Best over the counter oil for 1994 stock 350 tbi flat tappet

    man-a-fre, Oct 18, 2019 at 7:13 PM ... 2
    Replies:
    12
    Views:
    408
    PlayingWithTBI
    Oct 23, 2019 at 12:41 PM
  2. 8thNote

    Truck sputters and backfires when hot

    8thNote, May 29, 2019 ... 2
    Replies:
    10
    Views:
    605
    89_C3500_Larry
    Oct 23, 2019 at 12:35 PM
  3. Uncle Ben

    $3,000 budget, advice?

    Uncle Ben, Oct 19, 2019 at 2:56 AM ... 2 3 4
    Replies:
    34
    Views:
    1,312
    Bowtiefresh
    Oct 23, 2019 at 12:17 PM
  4. _nickjoseph

    Misfire between 45-55 mph

    _nickjoseph, Oct 22, 2019 at 6:40 PM
    Replies:
    4
    Views:
    92
    PlayingWithTBI
    Oct 23, 2019 at 12:08 PM
  5. 98chevy2500SS

    Full Synthetic --- Vortec 350

    98chevy2500SS, Oct 17, 2019 at 12:07 AM ... 2
    Replies:
    17
    Views:
    610
    skylark
    Oct 23, 2019 at 11:50 AM
  6. klittle1417

    97 K1500 wont start sometimes, runs great when it starts

    klittle1417, Jan 10, 2019 ... 2
    Replies:
    12
    Views:
    806
    Schurkey
    Oct 23, 2019 at 10:55 AM
  7. kevvan

    Fuel Pump Sending Unit too?

    kevvan, Oct 23, 2019 at 8:38 AM
    Replies:
    5
    Views:
    59
    JavaMan
    Oct 23, 2019 at 10:40 AM
  8. Emcoord

    Stalling issue

    Emcoord, Oct 21, 2019 at 8:56 PM
    Replies:
    6
    Views:
    124
    Emcoord
    Oct 23, 2019 at 7:57 AM
  9. SuperSpore

    EGR Causing Failure to Idle?

    SuperSpore, Oct 20, 2019 at 11:28 PM ... 2
    Replies:
    13
    Views:
    329
    DerekTheGreat
    Oct 23, 2019 at 6:41 AM
  10. Chillin Dylan

    Carbureted Vortec 454 in a 95

    Chillin Dylan, Oct 17, 2019 at 6:04 PM ... 2 3 4
    Replies:
    35
    Views:
    982
    rpoL98
    Oct 23, 2019 at 3:14 AM
  11. run96k3500

    Will this 502 fit my truck

    run96k3500, Oct 16, 2019 ... 2 3
    Replies:
    21
    Views:
    682
    run96k3500
    Oct 22, 2019 at 9:00 PM
  12. Jerryred94silvy

    350 swap questions

    Jerryred94silvy, Aug 28, 2019 ... 6 7 8
    Replies:
    71
    Views:
    4,923
    Rich-stepside
    Oct 22, 2019 at 6:56 PM
  13. 454cid

    Looks like I need a new water pump... what's working for people?

    454cid, Oct 19, 2019 at 12:25 PM
    Replies:
    8
    Views:
    309
    454cid
    Oct 22, 2019 at 6:25 PM
  14. sjten10

    Limited budget, under $5k...what to do?

    sjten10, Oct 21, 2019 at 11:48 AM
    Replies:
    8
    Views:
    230
    sjten10
    Oct 22, 2019 at 6:18 PM
  15. Dre319

    Oil catch cans

    Dre319, Oct 22, 2019 at 12:47 PM
    Replies:
    0
    Views:
    75
    Dre319
    Oct 22, 2019 at 12:47 PM
Showing threads 1 to 15 of 7,770

Thread Display Options

Loading...
Page 1 of 518