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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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Missing something? Fuel psi 10psi low
3 minutes ago
gilly327
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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Welp, got a doner.
12 minutes ago
skylark
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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Need an over-axle/tail pipe.
Today at 5:49 PM
Tomcat71
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Bu327
Apr 13, 2018
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Jul 18, 2018
Bu327
Fuel pump question
outlawten5
Jul 11, 2018
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Jul 18, 2018
DerekTheGreat
TBI shaft bushes on 93 454.
Terrick down Under
Jul 12, 2018
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Schurkey
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FORGIVE ME....another AC question.
Dre319
Jul 10, 2018
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Garrett Fulton
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Mysterious connector
tahoe.mkIII
Jul 11, 2018
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tahoe.mkIII
valve adjustment
magimerlin
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Schurkey
Cruise Control Issues
98BlackSierra
Jul 10, 2018
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New here. Underhood reel light.
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Jul 15, 2018
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sewlow
Engine ticking noise finally fixed
Jack Schneider
Jul 9, 2018
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The Iron possum
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GMT400 Suburban 1500 Fuel Pump Access Hole
mistaake
Jul 13, 2018
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Jul 14, 2018
mistaake
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AC/Smog pump delete question. Need help!
88RCSB4X4
Jul 2, 2018
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Vortec 5.7 fuel trims positive, running rich, fuel pressure issue?
mistaake
Jul 5, 2018
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mistaake
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Valve cover gasket opinions
Darrell
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Darrell
New engine build - 300hp tbi
Gramps
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New engines
Barry cowan
Jul 10, 2018
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1” front drop spring OBS extended cab
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Lowered and Bagged Suspension
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Missing something? Fuel psi 10psi low
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96+ Vortec Performance + Computer Swaps
My new project truck: '99 K2500 Suburban
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