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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 6:18 PM
Keeper
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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How To: Ditch EFI and keep TBI PCM for 4L60E Control.
Today at 2:04 PM
tayto
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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Long tube headers
Today at 12:14 PM
EKOBS
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AC Rattle?
my name is alex
Apr 19, 2018
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Apr 21, 2018
my name is alex
Power steering noise
east302
Apr 18, 2018
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5
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9K
Apr 20, 2018
east302
K
Oil leak when running from around distributer; help ID
kooshball
Apr 18, 2018
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2K
Apr 20, 2018
1998crewcab
Stumbling after warm start
blackhawk17
Apr 19, 2018
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414
Apr 19, 2018
evilunclegrimace
R
Engine stumbles from stop
run96k3500
Apr 17, 2018
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594
Apr 19, 2018
run96k3500
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9
Does not stay running
95brokeZ71
Apr 18, 2018
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728
Apr 18, 2018
95brokeZ71
9
Boosted 454, Procharger or turbo?
Jaredpear
Jan 24, 2018
2
3
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5K
Apr 18, 2018
RDF1
D
02 sensor
Don Baker
Apr 18, 2018
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485
Apr 18, 2018
Don Baker
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In cap coil ? or not...
Ed_P
Apr 17, 2018
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445
Apr 17, 2018
884x4310ci
8
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454 vortec l29 Vacuum diagram
Evan Frericks
Apr 17, 2018
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10K
Apr 17, 2018
Christian Steffen
Dyno Results - 355 - for my ole Stepside RC
Ed_P
Apr 7, 2018
2
3
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3K
Apr 15, 2018
shovelbill
7.4L Vortec Fuel Pressure Regulator
Tom P
Feb 5, 2018
2
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Apr 15, 2018
Tom P
S
1998 454 Fuel Issue
SamH
Feb 19, 2018
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Apr 15, 2018
my name is alex
C
What is this wire?
Chris253
Mar 26, 2018
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1K
Apr 13, 2018
Chris253
C
K1500 engines from GM include 454, and other related questions
RokRoland
Apr 3, 2018
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6K
Apr 12, 2018
Jay33089
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