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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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Another 454 Vortec Build Thread - Documenting, Q&A, Help
Today at 11:03 AM
Bachert24
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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634
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Threads
634
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T
How To: Ditch EFI and keep TBI PCM for 4L60E Control.
Today at 11:21 AM
tayto
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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13.9K
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13.9K
New Y-pipe and cat for the old girl
Today at 7:46 AM
Tomcat71
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Po300
Greg Mck
May 30, 2017
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2K
Sep 21, 2017
GarrettGmc
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1991 6.2 diesel- need diagram/pic on how to mount PS pump
mike73
Sep 19, 2017
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594
Sep 20, 2017
deejaaa
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How hot is too hot?
needlenose
Sep 17, 2017
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Sep 20, 2017
DerekTheGreat
Delco starter
east302
Sep 12, 2017
2
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14
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Sep 19, 2017
Kirth Gersen
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1998 454 k2500 oil leak
Sniperinhisname
Sep 18, 2017
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Sep 19, 2017
Tom P
1997 Vortex 5700 Stutters/misses
DieselDetroit
Sep 17, 2017
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862
Sep 19, 2017
beardeddummy
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Adjustable Fuel Pressure Regulator for 7.4l
run96k3500
Sep 14, 2017
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Sep 18, 2017
run96k3500
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7.4 engine to fuel filter lines
THOR2500
Sep 15, 2017
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761
Sep 18, 2017
Tom P
Has anyone turboed a 4.3 TBI?
gstubbz
Aug 4, 2017
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1K
Sep 18, 2017
DerekTheGreat
PassLock or VATS (My truck wont start now)
98sierra4x4
Apr 18, 2017
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Sep 18, 2017
98sierra4x4
Headers
ChicagoSteve
Jun 16, 2017
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Sep 18, 2017
labarrejr
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Heater outlet hose leaking
east302
Sep 17, 2017
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Sep 17, 2017
east302
99 burb vacuum line diagram
whytry
Sep 17, 2017
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5K
Sep 17, 2017
east302
Spider Injector Replacement Problem
mikwallace
Sep 13, 2017
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4K
Sep 17, 2017
ilyasbukhari0121
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Hilborn Gasser style scoop
laidbackbigun
Sep 15, 2017
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745
Sep 15, 2017
laidbackbigun
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