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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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surging idle when in gear and stopped
Yesterday at 10:06 PM
zachary A makoff
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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641
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8K
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641
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96 k1500 ls swap
Today at 12:45 AM
Boots97
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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Header EGR Pipe
Monday at 5:31 PM
Schurkey
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Is this a problem in the tune file
Srg1016
Apr 13, 2024
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5
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210
Yesterday at 3:51 PM
JDGMC
D
1997 5.7 Vortec misfire/stumble
DaHoe
Apr 11, 2024
Replies
9
Views
586
Yesterday at 2:57 PM
docstoy
D
Y Pipe Recommendations
2Grim4U
Yesterday at 10:51 AM
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4
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108
Yesterday at 2:10 PM
PlayingWithTBI
411 Swap 383 Vortec Newbie To Tuning. Where To Start?
supspt454
Yesterday at 9:48 AM
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8
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162
Yesterday at 1:34 PM
supspt454
R
One cylinder not firing
rdobirdman
Oct 16, 2023
2
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14
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2K
Yesterday at 1:18 PM
rdobirdman
R
M
Anyone used the United Motor Products coil c535
man-a-fre
Monday at 2:05 PM
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3
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77
Yesterday at 11:39 AM
man-a-fre
M
LC9 swap from donor truck - do it?
rzr6-4
Monday at 5:28 PM
2
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13
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250
Yesterday at 10:56 AM
vr1967
V
Broken Lifter Spider Mounting Hole
Majoraslayer
Feb 15, 2024
7
8
9
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81
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4K
Yesterday at 10:16 AM
Road Trip
A
7.4 Vortec k2500 Exhaust Manifold/ Header Install
Aparke4
Jan 12, 2021
3
4
5
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46
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Yesterday at 10:01 AM
EKOBS
E
C
Rebuild + Performance
Ccchatzzz
Sunday at 2:24 PM
2
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10
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240
Yesterday at 10:00 AM
Erik the Awful
I’m a DA…what maintenance have you screwed up?
Reega
May 5, 2024
5
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Yesterday at 9:47 AM
Supercharged111
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AC leak on 99 Tahoe
Mugs
Monday at 6:15 PM
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95
Yesterday at 5:55 AM
GoToGuy
Brake warning light flickering and engine running funny
Rhonda1994
Monday at 6:12 PM
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3
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100
Yesterday at 2:06 AM
Schurkey
88-94 5.7 Suburban A/C Diagnosis and Tuning
Wildblue19
Aug 6, 2022
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Monday at 11:37 PM
Wildblue19
S
454/ 4L80 install question
SlowJoe
Thursday at 10:20 PM
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197
Monday at 10:23 PM
SlowJoe
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