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!
    751
    Discussions
    9,045
    Messages
    Latest: 0411 computer after market e-fan control RDF1, Jan 29, 2020 at 6:44 AM

  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    396
    Discussions
    5,109
    Messages
    Latest: What is everyone doing for headers? L31MaxExpress, Jan 26, 2020 at 10:41 PM

  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    813
    Discussions
    9,768
    Messages
    Latest: Flowmaster Mufflers - Made In China Now Supercharged111, Jan 24, 2020 at 9:16 PM
Car Parts
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  1. Mike

    The Stupid Engine Questions Thread

    Mike, Dec 3, 2009 ... 117 118 119
    Replies:
    1,187
    Views:
    179,161
    McBroom
    Jan 22, 2020
  2. Ginger

    Intake Gasket Replacement

    Ginger, Dec 4, 2009 ... 8 9 10
    Replies:
    95
    Views:
    68,524
    mckee1710
    Jan 11, 2020
  3. Greg

    GMT400 History

    Greg, Mar 16, 2010 ... 19 20 21
    Replies:
    201
    Views:
    204,701
    884x4310ci
    Dec 28, 2019
  4. shelbyt.67

    ULTIMATE TBI mods stage 1

    shelbyt.67, Jun 28, 2012 ... 24 25 26
    Replies:
    250
    Views:
    212,294
    Donald Mitchell
    Dec 26, 2019
  5. monstar_est87

    How to MarkVIII your OBS on a budget..!

    monstar_est87, Apr 30, 2012 ... 15 16 17
    Replies:
    164
    Views:
    102,103
    McBroom
    Dec 26, 2019
  6. Bighead38

    Putting A Chip In A TBI Truck

    Bighead38, Dec 3, 2009 ... 17 18 19
    Replies:
    183
    Views:
    166,178
    Supercharged111
    Dec 26, 2019
  7. supjim12

    Tune Up Parts Numbers

    supjim12, Dec 22, 2009 ... 2 3 4
    Replies:
    34
    Views:
    38,671
    Donald Mitchell
    Dec 26, 2019
  8. Devs93

    The Ultimate 88-98 Performance Toolbox

    Devs93, Aug 1, 2012 ... 2 3
    Replies:
    27
    Views:
    138,926
    OCD INC
    Aug 25, 2019
  9. Ginger

    Water Pump Relacement

    Ginger, Dec 4, 2009 ... 5 6 7
    Replies:
    68
    Views:
    48,387
    Trigger_guard
    Jun 21, 2019
  10. Greg

    Maintenance: RPO Code Database & Decoder

    Greg, Dec 4, 2009 ... 2 3
    Replies:
    22
    Views:
    26,486
    Kyle89
    Dec 30, 2018
  11. Hodges87

    How to Replace oil filter adapter gasket & o-ring

    Hodges87, Dec 14, 2009 ... 3 4 5
    Replies:
    46
    Views:
    113,293
    Chevy blood
    Aug 16, 2018
  12. Mike

    LS Swapping and Performance FAQ

    Mike, Aug 3, 2013
    Replies:
    9
    Views:
    19,986
    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:
    49,285
    txgp17
    Oct 24, 2013
  1. dave s

    Can't find right file to match my truck

    dave s, Jan 29, 2020 at 6:22 AM
    Replies:
    2
    Views:
    34
    PlayingWithTBI
    Jan 29, 2020 at 10:22 AM
  2. opus

    Another TBI running rich

    opus, Jan 23, 2020 at 2:03 PM ... 7 8 9
    Replies:
    89
    Views:
    3,714
    evilunclegrimace
    Jan 29, 2020 at 1:15 AM
  3. AgentYager

    A little late into my swap

    AgentYager, Jan 28, 2020 at 10:35 PM
    Replies:
    1
    Views:
    82
    93crewcab
    Jan 28, 2020 at 10:51 PM
  4. name

    What is "Bad" MPG for a '94 5.7L ?

    name, Jan 24, 2020 at 7:53 PM ... 2 3 4
    Replies:
    34
    Views:
    1,623
    name
    Jan 28, 2020 at 8:54 PM
  5. Tahoe_Pete

    Please help, I've never been stumped like this

    Tahoe_Pete, Jan 25, 2020 at 10:16 AM ... 2 3
    Replies:
    22
    Views:
    788
    Erik the Awful
    Jan 28, 2020 at 4:35 PM
  6. mr_s

    Check Engine Light query

    mr_s, Dec 29, 2019 ... 2
    Replies:
    15
    Views:
    644
    mr_s
    Jan 28, 2020 at 4:23 PM
  7. _nickjoseph

    Compression test

    _nickjoseph, Jan 25, 2020 at 11:10 PM
    Replies:
    7
    Views:
    247
    Schurkey
    Jan 28, 2020 at 2:51 PM
  8. 8T7K5

    Stuck balancer

    8T7K5, Jan 21, 2020 ... 2
    Replies:
    17
    Views:
    632
    Schurkey
    Jan 28, 2020 at 1:18 PM
  9. cngodfather

    Looking for engine help ideas...

    cngodfather, Nov 20, 2019 ... 4 5 6
    Replies:
    59
    Views:
    3,605
    cngodfather
    Jan 28, 2020 at 5:21 AM
  10. Biggun

    Rough Idle Miss-tery

    Biggun, Jan 27, 2020 at 5:16 PM
    Replies:
    4
    Views:
    141
    Schurkey
    Jan 28, 2020 at 12:05 AM
  11. 54vicky

    stalled when trying to restart starts cranking normal then acts as if timing way advanced

    54vicky, Jan 17, 2020 ... 6 7 8
    Replies:
    70
    Views:
    2,218
    54vicky
    Jan 27, 2020 at 7:49 PM
  12. hatzie

    88-95 Service Manuals

    hatzie, Dec 15, 2018 ... 2 3
    Replies:
    20
    Views:
    9,280
    54vicky
    Jan 27, 2020 at 2:00 PM
  13. mckee1710

    Intermittent starting gremlin driving me NUTS

    mckee1710, Jan 20, 2020
    Replies:
    5
    Views:
    213
    Erik the Awful
    Jan 27, 2020 at 12:28 PM
  14. Uncle Ben

    Fuel pressure gauge help

    Uncle Ben, Jan 27, 2020 at 11:33 AM
    Replies:
    0
    Views:
    56
    Uncle Ben
    Jan 27, 2020 at 11:33 AM
  15. Roadrunner

    Looking to build a good street setup

    Roadrunner, Jan 14, 2020 ... 2
    Replies:
    13
    Views:
    766
    RDF1
    Jan 27, 2020 at 11:25 AM
Showing threads 1 to 15 of 7,979

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