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!
    666
    Discussions
    7,784
    Messages
    Latest: 96 Tahoe where does computer read engine temp from east302, Dec 11, 2018 at 3:59 PM

  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    350
    Discussions
    4,701
    Messages
    Latest: Schoenfeld LS Engine Swap Kit Dirty_Hairy, Dec 10, 2018 at 8:30 PM

  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    769
    Discussions
    9,359
    Messages
    Latest: Best exhaust setup for a vortec 5.7?? Coveman, Dec 10, 2018 at 9:53 AM
Page 1 of 472
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  1. Mike

    The Stupid Engine Questions Thread

    Mike, Dec 3, 2009 ... 106 107 108
    Replies:
    1,071
    Views:
    137,409
    ColoradoMadMan
    Dec 10, 2018 at 1:15 PM
  2. Bighead38

    Putting A Chip In A TBI Truck

    Bighead38, Dec 3, 2009 ... 12 13 14
    Replies:
    136
    Views:
    122,835
    TylerZ281500
    Nov 28, 2018
  3. shelbyt.67

    ULTIMATE TBI mods stage 1

    shelbyt.67, Jun 28, 2012 ... 23 24 25
    Replies:
    245
    Views:
    171,057
    92GMCK2500
    Nov 21, 2018
  4. Ginger

    Water Pump Relacement

    Ginger, Dec 4, 2009 ... 5 6 7
    Replies:
    67
    Views:
    33,078
    Jared Jackson
    Aug 28, 2018
  5. Hodges87

    How to Replace oil filter adapter gasket & o-ring

    Hodges87, Dec 14, 2009 ... 3 4 5
    Replies:
    46
    Views:
    93,025
    Chevy blood
    Aug 16, 2018
  6. supjim12

    Tune Up Parts Numbers

    supjim12, Dec 22, 2009 ... 2 3 4
    Replies:
    33
    Views:
    24,633
    Schurkey
    Jul 20, 2018
  7. Greg

    Maintenance: RPO Code Database & Decoder

    Greg, Dec 4, 2009 ... 2 3
    Replies:
    21
    Views:
    16,292
    94burbk1500
    Apr 12, 2018
  8. Ginger

    Intake Gasket Replacement

    Ginger, Dec 4, 2009 ... 6 7 8
    Replies:
    76
    Views:
    48,976
    Wade
    Feb 16, 2018
  9. Greg

    GMT400 History

    Greg, Mar 16, 2010 ... 18 19 20
    Replies:
    199
    Views:
    163,162
    ThundahBeagle
    Nov 26, 2017
  10. Devs93

    The Ultimate 88-98 Performance Toolbox

    Devs93, Aug 1, 2012 ... 2 3
    Replies:
    25
    Views:
    105,377
    superdave
    Jul 27, 2017
  11. Mike

    LS Swapping and Performance FAQ

    Mike, Aug 3, 2013
    Replies:
    9
    Views:
    14,133
    Fedeleon11
    Sep 24, 2016
  12. monstar_est87

    How to MarkVIII your OBS on a budget..!

    monstar_est87, Apr 30, 2012 ... 14 15 16
    Replies:
    153
    Views:
    78,433
    KrpticKyler
    Jul 30, 2015
  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:
    36,556
    txgp17
    Oct 24, 2013
  1. T_Ogle

    Need help figuring out this Crank Position Sensor

    T_Ogle, Dec 10, 2018 at 9:46 PM
    Replies:
    5
    Views:
    89
    JackE
    Dec 11, 2018 at 4:47 PM
  2. Rob C

    whats the best way to make 330ish hp...

    Rob C, Dec 4, 2018 ... 5 6 7
    Replies:
    66
    Views:
    2,371
    PolarBear
    Dec 11, 2018 at 4:32 PM
  3. Johnny89345

    89 6.2 to 2002 6.5 td

    Johnny89345, Dec 4, 2018 ... 2
    Replies:
    11
    Views:
    269
    Johnny89345
    Dec 11, 2018 at 4:22 PM
  4. 97zSC

    vortec hesitation when first going into gear

    97zSC, Dec 11, 2018 at 2:39 PM
    Replies:
    0
    Views:
    12
    97zSC
    Dec 11, 2018 at 2:39 PM
  5. poloz28

    vortec with occasional stumble

    poloz28, Nov 15, 2018
    Replies:
    9
    Views:
    534
    Christian Steffen
    Dec 11, 2018 at 1:02 PM
  6. Dusnoetos

    stuck throttle = dead engine? ???

    Dusnoetos, Oct 30, 2018 ... 2 3
    Replies:
    20
    Views:
    918
    Dusnoetos
    Dec 11, 2018 at 11:06 AM
  7. rangrayy

    Intermittent misfire and trouble codes...

    rangrayy, Feb 1, 2018 ... 2 3
    Replies:
    22
    Views:
    1,176
    east302
    Dec 11, 2018 at 10:47 AM
  8. littlemlittle

    92 350 5.7l bore or keep honing?

    littlemlittle, Dec 10, 2018 at 8:48 PM
    Replies:
    5
    Views:
    113
    littlemlittle
    Dec 11, 2018 at 7:50 AM
  9. honkon

    Yukon/Tahoe Performance

    honkon, Oct 9, 2018 ... 2
    Replies:
    18
    Views:
    931
    df2x4
    Dec 11, 2018 at 4:36 AM
  10. trx125

    L31 with LT1 241 cam?

    trx125, Dec 5, 2018 at 12:08 PM ... 2 3 4
    Replies:
    30
    Views:
    735
    L31MaxExpress
    Dec 10, 2018 at 9:46 PM
  11. Vortec98

    Dilemma

    Vortec98, Nov 28, 2018 ... 2
    Replies:
    16
    Views:
    681
    GMAC1998
    Dec 10, 2018 at 3:20 PM
  12. hatzie

    The last of the paper catalogs. 1988-1993 Scanned to PDF.

    hatzie, Jan 1, 2016
    Replies:
    8
    Views:
    1,277
    c1500deathtrap
    Dec 10, 2018 at 1:23 PM
  13. east302

    A/C Condenser brand recommendation

    east302, Dec 8, 2018 at 4:46 PM
    Replies:
    8
    Views:
    200
    Ken K
    Dec 10, 2018 at 12:03 PM
  14. RawbDidIt

    Fuel pump "fix"

    RawbDidIt, Dec 3, 2018
    Replies:
    7
    Views:
    369
    Ken K
    Dec 10, 2018 at 11:38 AM
  15. TAW17

    Engine PCM Vs EPC output / transmission line pressure signal problem

    TAW17, Dec 9, 2018 at 6:36 PM
    Replies:
    2
    Views:
    101
    TAW17
    Dec 10, 2018 at 9:10 AM
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