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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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18.7K
Threads
1.2K
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The Official Vortec 454 Info thread
Today at 4:56 AM
Bachert24
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
631
Messages
7.9K
Threads
631
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7.9K
6.0 turbo build advice
Yesterday at 9:00 AM
Erik the Awful
Exhaust
Anything exhaust - from headers cats and pipes to tips.
Threads
1.1K
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13.8K
Threads
1.1K
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13.8K
1998 k1500 5.7L exhaust flange leak broken center stud
Wednesday at 1:15 PM
movietvet
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Let's get connected!!!
Scooterwrench
Oct 1, 2023
4
5
6
Replies
59
Views
6K
Apr 1, 2024
Scooterwrench
Sticky
GMT400 - Community Scan Tool
studigggs
Jan 9, 2023
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32
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311
Views
32K
Mar 30, 2024
Bob2650
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Sticky
TBI small block intake gasket replacement (PIC HEAVY)
someotherguy
Dec 25, 2022
3
4
5
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41
Views
13K
Feb 16, 2024
95OBSMan
Sticky
How to Put a Vortec Motor in a TBI Truck
Erik the Awful
Jun 17, 2020
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113
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73K
Mar 26, 2024
rebelyell
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Sticky
88-98 Service Manuals
hatzie
Dec 15, 2018
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15
Replies
142
Views
238K
Tuesday at 8:52 PM
hatzie
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Sticky
The Ultimate 88-98 Performance Toolbox
Devs93
Aug 1, 2012
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35
Views
248K
Mar 12, 2023
jpcedotal
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Sticky
ULTIMATE TBI mods stage 1
shelbyt.67
Jun 28, 2012
26
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28
Replies
273
Views
327K
May 5, 2022
PlayingWithTBI
Sticky
How to MarkVIII your OBS on a budget..!
monstar_est87
Apr 30, 2012
16
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18
Replies
171
Views
145K
Sep 23, 2023
Casey916
Sticky
Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
88GMCtruck
Apr 14, 2010
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3
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28
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73K
Dec 27, 2023
pgutier1
Sticky
GMT400 History
Greg
Mar 16, 2010
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245
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326K
Feb 27, 2023
Will Fuller
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Sticky
Tune Up Parts Numbers
supjim12
Dec 22, 2009
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4
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37
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65K
May 15, 2022
Erik the Awful
Sticky
How to Replace oil filter adapter gasket & o-ring
Hodges87
Dec 14, 2009
4
5
6
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55
Views
159K
Jun 20, 2023
Illbedipped
Sticky
Maintenance: RPO Code Database & Decoder
Greg
Dec 4, 2009
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4
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33
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49K
Jul 3, 2023
GoToGuy
Sticky
Water Pump Relacement
Ginger
Dec 4, 2009
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86
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84K
Jun 7, 2021
HotWheelsBurban
Sticky
Intake Gasket Replacement
Ginger
Dec 4, 2009
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124
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120K
Dec 9, 2022
mary7654
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Sticky
Putting A Chip In A TBI Truck
Bighead38
Dec 3, 2009
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202
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294K
Jul 10, 2023
mwilliams55555
Sticky
The Stupid Engine Questions Thread
Mike
Dec 3, 2009
207
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2K
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366K
Apr 12, 2024
Orpedcrow
J
91 silverado AC parts required for R134a
jwc55
Yesterday at 8:59 PM
Replies
6
Views
108
Today at 12:17 AM
someotherguy
A
Are high % readings good on stft
A97obs
Yesterday at 8:16 PM
Replies
1
Views
53
Yesterday at 8:46 PM
termite
'94 Jumping Gages
name
Yesterday at 6:37 PM
Replies
1
Views
65
Yesterday at 9:25 PM
thinger2
S
Another Cam Post.
Suavecito619
Yesterday at 4:30 PM
Replies
1
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92
Today at 12:40 AM
Sean Buick 76
Engines 101
NCBrochacho
Yesterday at 10:48 AM
2
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15
Views
297
Yesterday at 10:49 PM
Hipster
F
1995 Chevy G30 Van 5.7L V8 Engine Knock
frankytheg30
Yesterday at 9:43 AM
Replies
4
Views
67
3 minutes ago
frankytheg30
F
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Help vortec head swap engine doesnt run right
rotarymedia
Wednesday at 10:44 PM
Replies
8
Views
155
Yesterday at 9:15 AM
International47
9
96 k2500 7.4l build help
96 Sub
Wednesday at 10:28 PM
Replies
0
Views
54
Wednesday at 10:28 PM
96 Sub
9
Diag on running issue
Rhonda1994
Wednesday at 8:34 PM
Replies
1
Views
74
Wednesday at 9:44 PM
thinger2
93 5.7 cat delete o2 sensor light
ol-Betsy
Wednesday at 7:19 PM
2
Replies
19
Views
305
Yesterday at 11:20 PM
ol-Betsy
Code 32
Scooterwrench
Wednesday at 4:32 PM
Replies
4
Views
98
Wednesday at 8:06 PM
termite
M
Misfire p0305
MattyClutch
Wednesday at 2:23 PM
Replies
0
Views
41
Wednesday at 2:23 PM
MattyClutch
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J
Bad running after manual swap
JPVortex
Wednesday at 2:03 PM
Replies
4
Views
83
Wednesday at 7:17 PM
JPVortex
J
Bluetooth OBD2 adapter
White96k2500
Wednesday at 10:00 AM
2
3
4
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34
Views
465
Wednesday at 11:02 PM
someotherguy
S
TBI to Terminator
Swill2
Wednesday at 9:48 AM
2
Replies
10
Views
260
Yesterday at 9:35 PM
NCchris
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1995 Chevy G30 Van 5.7L V8 Engine Knock
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