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Engine Performance + Maintenance
If it's under the hood, its in here.
96+ Vortec Performance + Computer Swaps
If you want to do the 0411 PCM swap or have a 1996+ Vortec motor this is your forum!
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B
L31 Extreme Budget Build
9 minutes ago
BVRPLZR
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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6.0 turbo build advice
Yesterday at 9:00 AM
Erik the Awful
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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1998 k1500 5.7L exhaust flange leak broken center stud
Wednesday at 1:15 PM
movietvet
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88-98 Service Manuals
hatzie
Dec 15, 2018
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142
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239K
Tuesday at 8:52 PM
hatzie
Sticky
The Stupid Engine Questions Thread
Mike
Dec 3, 2009
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2K
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367K
Apr 12, 2024
Orpedcrow
Sticky
Let's get connected!!!
Scooterwrench
Oct 1, 2023
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59
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6K
Apr 1, 2024
Scooterwrench
Sticky
GMT400 - Community Scan Tool
studigggs
Jan 9, 2023
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311
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32K
Mar 30, 2024
Bob2650
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Sticky
How to Put a Vortec Motor in a TBI Truck
Erik the Awful
Jun 17, 2020
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113
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73K
Mar 26, 2024
rebelyell
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TBI small block intake gasket replacement (PIC HEAVY)
someotherguy
Dec 25, 2022
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41
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13K
Feb 16, 2024
95OBSMan
Sticky
Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
88GMCtruck
Apr 14, 2010
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3
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28
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73K
Dec 27, 2023
pgutier1
Sticky
How to MarkVIII your OBS on a budget..!
monstar_est87
Apr 30, 2012
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171
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145K
Sep 23, 2023
Casey916
Sticky
Putting A Chip In A TBI Truck
Bighead38
Dec 3, 2009
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202
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294K
Jul 10, 2023
mwilliams55555
Sticky
Maintenance: RPO Code Database & Decoder
Greg
Dec 4, 2009
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33
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49K
Jul 3, 2023
GoToGuy
Sticky
How to Replace oil filter adapter gasket & o-ring
Hodges87
Dec 14, 2009
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55
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159K
Jun 20, 2023
Illbedipped
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Sticky
The Ultimate 88-98 Performance Toolbox
Devs93
Aug 1, 2012
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35
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249K
Mar 12, 2023
jpcedotal
Sticky
GMT400 History
Greg
Mar 16, 2010
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245
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326K
Feb 27, 2023
Will Fuller
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Intake Gasket Replacement
Ginger
Dec 4, 2009
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124
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120K
Dec 9, 2022
mary7654
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Sticky
Tune Up Parts Numbers
supjim12
Dec 22, 2009
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37
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65K
May 15, 2022
Erik the Awful
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ULTIMATE TBI mods stage 1
shelbyt.67
Jun 28, 2012
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273
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327K
May 5, 2022
PlayingWithTBI
Sticky
Water Pump Relacement
Ginger
Dec 4, 2009
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86
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84K
Jun 7, 2021
HotWheelsBurban
Fuel Quality!
Scooterwrench
Tuesday at 3:02 PM
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49
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899
2 minutes ago
Scooterwrench
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1993 Yukon crate motor hydraulic roller lifter cleaning and adjustment journey - (Solved)
scott2093
Feb 19, 2024
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3 minutes ago
scott2093
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Budget 350 build combo
Sean Buick 76
Jan 8, 2024
2
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19
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1K
5 minutes ago
TonyM
93 5.7 cat delete o2 sensor light
ol-Betsy
Wednesday at 7:19 PM
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362
53 minutes ago
fancyTBI
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Help! Stripped distributer gear
Emichaud
Jul 4, 2023
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2K
54 minutes ago
Road Trip
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Bad running after manual swap
JPVortex
Wednesday at 2:03 PM
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96
57 minutes ago
fancyTBI
Jegs Headers
Scooterwrench
Today at 12:11 PM
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1
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49
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Schurkey
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1995 Chevy G30 Van 5.7L V8 Engine Knock
frankytheg30
Yesterday at 9:43 AM
Replies
8
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114
Today at 3:50 PM
Schurkey
Installing a Walbro pump into a 98 carrier
hquick
Dec 24, 2009
2
Replies
10
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11K
Today at 1:20 PM
Bachert24
Engines 101
NCBrochacho
Yesterday at 10:48 AM
2
Replies
18
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389
Today at 12:33 PM
Schurkey
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Best Plugs to Run with Shorty Headers?
BMiller85
Apr 11, 2024
2
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13
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383
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BMiller85
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91 silverado AC parts required for R134a
jwc55
Yesterday at 8:59 PM
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8
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155
Today at 10:22 AM
PlayingWithTBI
8
AIR Injection needed for 88 K1500
88k1500silvy
Apr 2, 2024
2
3
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21
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553
Today at 9:50 AM
PlayingWithTBI
S
Another Cam Post.
Suavecito619
Yesterday at 4:30 PM
Replies
2
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112
Today at 9:10 AM
Erik the Awful
S
TBI to Terminator
Swill2
Wednesday at 9:48 AM
2
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10
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275
Yesterday at 9:35 PM
NCchris
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Fuel Quality!
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Engine Performance + Maintenance
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1993 Yukon crate motor hydraulic roller lifter cleaning and adjustment journey - (Solved)
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Engine Performance + Maintenance
1997 2-Door - aftermarket rear sway bar
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96+ Vortec Performance + Computer Swaps
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