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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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L31 Extreme Budget Build
Today at 12:40 AM
L31MaxExpress
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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LM7 + PerformaBuilt 4L60E
18 minutes ago
highriseZ71
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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BBK Exhaust Header
Saturday at 8:33 PM
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7.4/454 Cam Upgrade Selection
Motrhedx81
Mar 14, 2024
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Apr 22, 2024
Motrhedx81
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Weird question about a bypass filter
oniontheoreo
Apr 20, 2024
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454
Apr 22, 2024
Blue Max
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1997 5.7 Vortec misfire/stumble
DaHoe
Apr 11, 2024
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Apr 22, 2024
DaHoe
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91 silverado AC parts required for R134a
jwc55
Apr 18, 2024
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DawsenGriffin
Apr 21, 2024
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Sean Buick 76
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Misfire at certain speed
Silasyac
Apr 21, 2024
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Well it fixed the check engine light but now runs like crap
Zeronight001
Mar 26, 2024
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A/C replacement parts?!
95OBSMan
Nov 18, 2023
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Apr 21, 2024
monsterwake
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Apps that read CMP Retard Offset?
Tdean91491
Aug 17, 2018
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Mechanical Oil Pressure Gauge conversion
joe toto
Jun 22, 2021
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Budget 350 build combo
Sean Buick 76
Jan 8, 2024
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[Wiring Issue] Ignition Control / Spark Control Module
joef3
Apr 20, 2024
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AIR Injection needed for 88 K1500
88k1500silvy
Apr 2, 2024
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95 454 Intake Fastener Torque Sequence Question
grampadirt
Apr 19, 2024
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Apr 19, 2024
grampadirt
Installing a Walbro pump into a 98 carrier
hquick
Dec 24, 2009
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