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!
    736
    Discussions
    8,783
    Messages
    Latest: Distributor hold down Kory Dowell, Dec 12, 2019 at 11:49 AM

  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    393
    Discussions
    5,075
    Messages
    Latest: Stock replacement carb PlayingWithTBI, Nov 21, 2019

  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    806
    Discussions
    9,649
    Messages
    Latest: Trying to get that specific exhaust sound Chevy-SS, Dec 12, 2019 at 7:25 PM
Car Parts
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  1. monstar_est87

    How to MarkVIII your OBS on a budget..!

    monstar_est87, Apr 30, 2012 ... 15 16 17
    Replies:
    162
    Views:
    99,927
    Supercharged111
    Dec 11, 2019 at 5:54 PM
  2. Mike

    The Stupid Engine Questions Thread

    Mike, Dec 3, 2009 ... 114 115 116
    Replies:
    1,155
    Views:
    175,166
    BigMyke
    Nov 26, 2019
  3. Bighead38

    Putting A Chip In A TBI Truck

    Bighead38, Dec 3, 2009 ... 16 17 18
    Replies:
    177
    Views:
    161,521
    PlayingWithTBI
    Oct 8, 2019
  4. Devs93

    The Ultimate 88-98 Performance Toolbox

    Devs93, Aug 1, 2012 ... 2 3
    Replies:
    27
    Views:
    135,995
    OCD INC
    Aug 25, 2019
  5. Ginger

    Water Pump Relacement

    Ginger, Dec 4, 2009 ... 5 6 7
    Replies:
    68
    Views:
    47,185
    Trigger_guard
    Jun 21, 2019
  6. Ginger

    Intake Gasket Replacement

    Ginger, Dec 4, 2009 ... 7 8 9
    Replies:
    86
    Views:
    66,284
    Markus
    Jan 23, 2019
  7. Greg

    Maintenance: RPO Code Database & Decoder

    Greg, Dec 4, 2009 ... 2 3
    Replies:
    22
    Views:
    25,738
    Kyle89
    Dec 30, 2018
  8. shelbyt.67

    ULTIMATE TBI mods stage 1

    shelbyt.67, Jun 28, 2012 ... 23 24 25
    Replies:
    245
    Views:
    208,054
    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:
    111,490
    Chevy blood
    Aug 16, 2018
  10. supjim12

    Tune Up Parts Numbers

    supjim12, Dec 22, 2009 ... 2 3 4
    Replies:
    33
    Views:
    37,364
    Schurkey
    Jul 20, 2018
  11. Greg

    GMT400 History

    Greg, Mar 16, 2010 ... 18 19 20
    Replies:
    199
    Views:
    200,641
    ThundahBeagle
    Nov 26, 2017
  12. Mike

    LS Swapping and Performance FAQ

    Mike, Aug 3, 2013
    Replies:
    9
    Views:
    19,509
    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:
    48,107
    txgp17
    Oct 24, 2013
  1. scott_williams2

    High mileage motor thicker oil?

    scott_williams2, Dec 12, 2019 at 7:54 PM ... 2
    Replies:
    13
    Views:
    366
    rcm9364
    Dec 14, 2019 at 1:15 AM
  2. Dennis Wilkie

    Oil pump replacement

    Dennis Wilkie, Dec 8, 2019 at 7:04 PM ... 2
    Replies:
    16
    Views:
    536
    Dennis Wilkie
    Dec 14, 2019 at 1:08 AM
  3. 1989k2500

    1989 looking for fuel pump suggestions

    1989k2500, Dec 10, 2019 at 5:50 PM ... 2
    Replies:
    19
    Views:
    1,058
    1989k2500
    Dec 13, 2019 at 11:31 PM
  4. nhyrum

    Need more heat

    nhyrum, Nov 29, 2019 ... 4 5 6
    Replies:
    53
    Views:
    3,153
    nhyrum
    Dec 13, 2019 at 11:17 PM
  5. Treyes

    Water in oil need help

    Treyes, Dec 13, 2019 at 9:04 PM
    Replies:
    2
    Views:
    59
    Wrench
    Dec 13, 2019 at 10:39 PM
  6. A-2 ace

    new member

    A-2 ace, Dec 13, 2019 at 6:06 PM
    Replies:
    4
    Views:
    88
    Schurkey
    Dec 13, 2019 at 10:19 PM
  7. soundquest

    Help - Distributor install questions (devil is in the details)

    soundquest, Dec 12, 2019 at 11:40 PM
    Replies:
    6
    Views:
    134
    Allen4rmGromLak
    Dec 13, 2019 at 9:18 PM
  8. Txlock

    Just wanna tow a 2000lb. Trailer up a hill..

    Txlock, Dec 12, 2019 at 2:48 PM ... 2 3 4
    Replies:
    35
    Views:
    1,398
    jrsroadhauze
    Dec 13, 2019 at 8:00 PM
  9. Chevy-SS

    '03 Silverado K1500 rattle in front - driving me nuts!

    Chevy-SS, Dec 11, 2019 at 11:02 AM
    Replies:
    6
    Views:
    153
    Chevy-SS
    Dec 13, 2019 at 6:25 PM
  10. rc64597

    1999 K1500 Replacement Catalytic Converter, Bank 2

    rc64597, Dec 11, 2019 at 12:40 PM
    Replies:
    8
    Views:
    209
    df2x4
    Dec 13, 2019 at 5:03 PM
  11. SSmith

    Is this common?

    SSmith, Dec 13, 2019 at 4:39 AM
    Replies:
    3
    Views:
    132
    Schurkey
    Dec 13, 2019 at 4:42 PM
  12. DTrain

    454 Oil Filter Problem

    DTrain, Dec 12, 2019 at 7:15 AM
    Replies:
    7
    Views:
    155
    454cid
    Dec 13, 2019 at 3:08 PM
  13. makindust2@aol.com

    Looking for a hand held scanner

    [email protected], Dec 10, 2019 at 5:34 PM
    Replies:
    9
    Views:
    248
    Schurkey
    Dec 13, 2019 at 1:17 PM
  14. scott_williams2

    Heat not working

    scott_williams2, Nov 9, 2019 ... 2 3
    Replies:
    25
    Views:
    930
    scott_williams2
    Dec 12, 2019 at 7:48 PM
  15. Matt Conner

    1990 GMC K1500 4.3l tbi to 305 tbi

    Matt Conner, Dec 9, 2019 at 10:20 AM ... 2
    Replies:
    14
    Views:
    318
    Matt Conner
    Dec 12, 2019 at 5:28 PM
Showing threads 1 to 15 of 7,878

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