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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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99 L29 454 build
Today at 12:54 AM
L31MaxExpress
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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644
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Welp, got a doner.
Yesterday at 6:45 PM
L31MaxExpress
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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Weird Black Soot in my Exhaust
Yesterday at 5:43 PM
L31MaxExpress
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1992 Cheyenne 4.3 c1500 bucking
Fred Solomon
Nov 27, 2023
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243
Nov 27, 2023
Fred Solomon
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9
Map Sensor Code Dying at Idle
95 Tahoe
May 9, 2024
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6
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243
May 9, 2024
95 Tahoe
9
95 yukon fuel line conversion
SirArseFace
Dec 10, 2020
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242
Dec 10, 2020
SirArseFace
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#1 cylinder damage from exhaust valve question
kyrios Eustace
Apr 29, 2024
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242
Apr 30, 2024
kyrios Eustace
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93 Chevy suburban
Terry93Chevy
Jan 8, 2017
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241
Jan 8, 2017
deejaaa
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9
1991 CHEVY S10 TAHOE 4X4 5.7 VORTEC
91S10W57VORTEC
Apr 7, 2024
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239
Apr 7, 2024
Vikingdude
454 SS AC Clutch Relay Location?
kmcbride74
Oct 5, 2019
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237
Oct 5, 2019
kmcbride74
H
Connecting rod orientation
Hunter2024
Apr 10, 2024
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237
Apr 10, 2024
Hunter2024
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LTFT under load.
Astro
Mar 16, 2024
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236
Mar 16, 2024
CumminsFever
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L92/t56 combo into my 1988 c1500
TonyMontana214
Apr 12, 2024
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4
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236
Apr 13, 2024
Erik the Awful
411 swap
Jeremy35
May 23, 2018
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235
May 23, 2018
Jeremy35
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New engine tbi 5.7 1994 gmc.
Brian Harville
Feb 18, 2024
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235
Feb 18, 2024
scott2093
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Post-timing concerns
Jcauli82
Nov 22, 2018
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Nov 22, 2018
Jcauli82
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4.8 lifters on a 5.7 350?
obsgio
Nov 24, 2023
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234
Nov 24, 2023
obsgio
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95 454 Intake Fastener Torque Sequence Question
grampadirt
Apr 19, 2024
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234
Apr 19, 2024
grampadirt
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