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!
    640
    Discussions
    7,404
    Messages
    Latest: Evo assist power steering Supercharged111, Aug 15, 2018 at 10:58 PM

  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    341
    Discussions
    4,624
    Messages
    Latest: 96-Up Fuel Delivery rolla711, Aug 14, 2018 at 11:03 PM

  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    753
    Discussions
    9,195
    Messages
    Latest: Exhaust problems jdla140, Aug 16, 2018 at 1:40 AM
Page 1 of 456
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  1. Mike

    The Stupid Engine Questions Thread

    Mike, Dec 3, 2009 ... 103 104 105
    Replies:
    1,047
    Views:
    126,672
    Wade
    Aug 12, 2018 at 10:19 AM
  2. supjim12

    Tune Up Parts Numbers

    supjim12, Dec 22, 2009 ... 2 3 4
    Replies:
    33
    Views:
    23,033
    Schurkey
    Jul 20, 2018
  3. shelbyt.67

    ULTIMATE TBI mods stage 1

    shelbyt.67, Jun 28, 2012 ... 22 23 24
    Replies:
    230
    Views:
    157,843
    meir
    May 5, 2018
  4. Ginger

    Water Pump Relacement

    Ginger, Dec 4, 2009 ... 4 5 6
    Replies:
    59
    Views:
    30,692
    Ed_P
    Apr 26, 2018
  5. Greg

    Maintenance: RPO Code Database & Decoder

    Greg, Dec 4, 2009 ... 2 3
    Replies:
    21
    Views:
    15,090
    94burbk1500
    Apr 12, 2018
  6. Ginger

    Intake Gasket Replacement

    Ginger, Dec 4, 2009 ... 6 7 8
    Replies:
    76
    Views:
    46,547
    Wade
    Feb 16, 2018
  7. Bighead38

    Putting A Chip In A TBI Truck

    Bighead38, Dec 3, 2009 ... 12 13 14
    Replies:
    134
    Views:
    113,689
    Bodageta1995
    Feb 15, 2018
  8. Hodges87

    How to Replace oil filter adapter gasket & o-ring

    Hodges87, Dec 14, 2009 ... 3 4 5
    Replies:
    45
    Views:
    89,536
    MIHELA
    Jan 18, 2018
  9. Greg

    GMT400 History

    Greg, Mar 16, 2010 ... 18 19 20
    Replies:
    199
    Views:
    153,953
    ThundahBeagle
    Nov 26, 2017
  10. Devs93

    The Ultimate 88-98 Performance Toolbox

    Devs93, Aug 1, 2012 ... 2 3
    Replies:
    25
    Views:
    98,539
    superdave
    Jul 27, 2017
  11. Mike

    LS Swapping and Performance FAQ

    Mike, Aug 3, 2013
    Replies:
    9
    Views:
    12,960
    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:
    74,502
    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:
    34,557
    txgp17
    Oct 24, 2013
  1. damage41

    454 vs 6.0

    damage41, Aug 13, 2018 at 4:10 PM ... 2 3 4
    Replies:
    32
    Views:
    778
    jdla140
    Aug 16, 2018 at 1:30 AM
  2. Jared Jackson

    Crankcase Vent Hose

    Jared Jackson, Aug 15, 2018 at 10:53 PM
    Replies:
    3
    Views:
    40
    jdla140
    Aug 16, 2018 at 12:37 AM
  3. Missouri Mule K30

    98 Chevrolet Throttle Body Plate

    Missouri Mule K30, Aug 14, 2018 at 1:02 AM
    Replies:
    8
    Views:
    135
    Supercharged111
    Aug 15, 2018 at 11:35 PM
  4. XxAdams14xX

    305 TBI to 454 TBI question?

    XxAdams14xX, Aug 14, 2018 at 8:53 PM
    Replies:
    6
    Views:
    107
    Stokes1114
    Aug 15, 2018 at 9:30 PM
  5. WVChevyBear

    Brown wire charging issues.

    WVChevyBear, Aug 13, 2018 at 10:33 PM
    Replies:
    7
    Views:
    113
    WVChevyBear
    Aug 15, 2018 at 8:45 AM
  6. Jade Blizek

    6.0 turbo into a K2500

    Jade Blizek, Aug 1, 2018
    Replies:
    1
    Views:
    160
    RDF1
    Aug 15, 2018 at 1:42 AM
  7. Missouri Mule K30

    Dual Temp Thermostat

    Missouri Mule K30, Aug 14, 2018 at 1:29 PM
    Replies:
    3
    Views:
    113
    skylark
    Aug 15, 2018 at 1:31 AM
  8. chevyjack

    High Idle

    chevyjack, Feb 20, 2018
    Replies:
    8
    Views:
    313
    sewlow
    Aug 14, 2018 at 10:40 PM
  9. letitsnow

    Has anybody deleted everything from a vortec 350?

    letitsnow, Aug 11, 2018 at 8:51 PM ... 2 3
    Replies:
    20
    Views:
    982
    Supercharged111
    Aug 14, 2018 at 10:37 PM
  10. Cody Cheyenne Henson

    Holley tbi HELP!!

    Cody Cheyenne Henson, Jun 24, 2018 ... 2
    Replies:
    10
    Views:
    505
    Cody Cheyenne Henson
    Aug 14, 2018 at 4:43 PM
  11. 454cid

    Underhood storage box useful or not?

    454cid, Aug 10, 2018 at 7:17 PM ... 2 3
    Replies:
    22
    Views:
    791
    Hydengr
    Aug 14, 2018 at 4:36 PM
  12. Scholioso

    6.5 to 12v Sensor Hookup

    Scholioso, Aug 14, 2018 at 2:12 AM
    Replies:
    1
    Views:
    53
    skylark
    Aug 14, 2018 at 3:22 PM
  13. smurfcivic

    91 Chevy 5.7 temp gauge not working

    smurfcivic, Aug 11, 2018 at 9:34 PM
    Replies:
    7
    Views:
    224
    Jared Jackson
    Aug 14, 2018 at 10:56 AM
  14. gord1895

    Newbie question on 350 heads...

    gord1895, Aug 13, 2018 at 11:25 PM
    Replies:
    0
    Views:
    57
    gord1895
    Aug 13, 2018 at 11:25 PM
  15. EmeraldFlame772

    How does this 400 setup sound?

    EmeraldFlame772, Aug 8, 2018 ... 2 3
    Replies:
    20
    Views:
    535
    CrustyJunker
    Aug 13, 2018 at 9:27 PM
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