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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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My 454 Rebuild
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This section is for info on LSX or carburetor swaps into the OBS trucks.
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95 chevy k1500 5.7l - 5.3l ls transmission/ transfer case question
Jun 1, 2023
mandelcz71
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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What headers should i use?i have a gmc k3500 7.4l 4x4.
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GMT400 - Community Scan Tool
studigggs
Jan 9, 2023
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10
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8K
Tuesday at 12:10 PM
RichLo
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The Stupid Engine Questions Thread
Mike
Dec 3, 2009
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May 23, 2023
HotWheelsBurban
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88-98 Service Manuals
hatzie
Dec 15, 2018
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11
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103
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May 16, 2023
Hoplite
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TBI small block intake gasket replacement (PIC HEAVY)
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Dec 25, 2022
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27
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4K
Apr 28, 2023
Illbedipped
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The Ultimate 88-98 Performance Toolbox
Devs93
Aug 1, 2012
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Mar 12, 2023
jpcedotal
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GMT400 History
Greg
Mar 16, 2010
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Feb 27, 2023
Will Fuller
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How to Put a Vortec Motor in a TBI Truck
Erik the Awful
Jun 17, 2020
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60
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46K
Feb 9, 2023
Kens1990K2500
Sticky
Intake Gasket Replacement
Ginger
Dec 4, 2009
11
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124
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110K
Dec 9, 2022
mary7654
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Maintenance: RPO Code Database & Decoder
Greg
Dec 4, 2009
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Oct 24, 2022
mattillac
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Tune Up Parts Numbers
supjim12
Dec 22, 2009
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May 15, 2022
Erik the Awful
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ULTIMATE TBI mods stage 1
shelbyt.67
Jun 28, 2012
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May 5, 2022
PlayingWithTBI
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How to Replace oil filter adapter gasket & o-ring
Hodges87
Dec 14, 2009
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Oct 28, 2021
Schurkey
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Water Pump Relacement
Ginger
Dec 4, 2009
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Jun 7, 2021
HotWheelsBurban
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Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
88GMCtruck
Apr 14, 2010
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May 23, 2021
Cisco
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How to MarkVIII your OBS on a budget..!
monstar_est87
Apr 30, 2012
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Mar 21, 2021
duallburb
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Putting A Chip In A TBI Truck
Bighead38
Dec 3, 2009
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Aug 25, 2020
PlayingWithTBI
Time to replace my compressor
marshallsmith27
Monday at 8:56 PM
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425
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marshallsmith27
need help with the motor mounts.
meir
Yesterday at 9:46 PM
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Better gas mileage and performance.
JoeJoe1993
May 23, 2023
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L31MaxExpress
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4.3L to ?? swap.
DeCaff2007
Aug 12, 2022
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EVAP Canister removal
megatronz0r
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Dash Command ???’s
Caman96
Sunday at 4:29 PM
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Caman96
89 electrical
Mathies
Tuesday at 12:58 PM
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What spark plugs and wires?
JoeJoe1993
Wednesday at 8:29 AM
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1990 tbi ecm shorting
BennyPorras
Apr 10, 2022
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Schurkey
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Cylinder Heads
Greggor55
Sunday at 8:53 AM
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171
Yesterday at 1:23 PM
Greggor55
G
BIZARRE end to the hunting/stumbling idle issue on my ‘95.
any4xx
Thursday at 8:22 PM
3
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5
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41
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700
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L31MaxExpress
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blinking A/C temp selector
stephen p luce
Thursday at 7:22 PM
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91
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stephen p luce
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Electrical
Jbaer
Yesterday at 3:38 AM
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120
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Jbaer
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'97 K1500 Suburban 5.7L Starter Choices
df2x4
Nov 1, 2022
5
6
7
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64
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5K
Yesterday at 9:17 AM
hilly101111111
4.3 Vortec idle issue
Figuarus
May 10, 2023
2
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11
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410
Yesterday at 4:28 AM
Schurkey
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