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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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1.2K
Messages
18.9K
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1.2K
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Another 454 Vortec Build Thread - Documenting, Q&A, Help
6 minutes ago
Bachert24
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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632
Messages
7.9K
Threads
632
Messages
7.9K
6.0 ls swapped 95c1500
Wednesday at 12:23 PM
MarKist
Exhaust
Anything exhaust - from headers cats and pipes to tips.
Threads
1.1K
Messages
13.8K
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1.1K
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13.8K
Square body headers on C1500 454
Today at 1:02 PM
618 Syndicate
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Sticky
Let's get connected!!!
Scooterwrench
Oct 1, 2023
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59
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6K
Apr 1, 2024
Scooterwrench
Sticky
GMT400 - Community Scan Tool
studigggs
Jan 9, 2023
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312
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32K
Monday at 12:12 PM
Blue Max
B
Sticky
TBI small block intake gasket replacement (PIC HEAVY)
someotherguy
Dec 25, 2022
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41
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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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73K
Mar 26, 2024
rebelyell
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Sticky
88-98 Service Manuals
hatzie
Dec 15, 2018
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15
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144
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241K
Saturday at 8:00 PM
BeautyandtheBeast
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Sticky
The Ultimate 88-98 Performance Toolbox
Devs93
Aug 1, 2012
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35
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249K
Mar 12, 2023
jpcedotal
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Sticky
ULTIMATE TBI mods stage 1
shelbyt.67
Jun 28, 2012
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273
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328K
May 5, 2022
PlayingWithTBI
Sticky
How to MarkVIII your OBS on a budget..!
monstar_est87
Apr 30, 2012
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18
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171
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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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28
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73K
Dec 27, 2023
pgutier1
Sticky
GMT400 History
Greg
Mar 16, 2010
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327K
Feb 27, 2023
Will Fuller
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Tune Up Parts Numbers
supjim12
Dec 22, 2009
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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
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55
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159K
Jun 20, 2023
Illbedipped
Sticky
Maintenance: RPO Code Database & Decoder
Greg
Dec 4, 2009
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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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84K
Jun 7, 2021
HotWheelsBurban
Sticky
Intake Gasket Replacement
Ginger
Dec 4, 2009
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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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295K
Jul 10, 2023
mwilliams55555
Sticky
The Stupid Engine Questions Thread
Mike
Dec 3, 2009
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368K
Yesterday at 9:25 AM
baddawg
Ac compressor trouble
KennyBoi99
Today at 2:56 AM
Replies
2
Views
88
Today at 8:46 AM
movietvet
J
350 vortec choppy cam
Jake rogers
Today at 1:30 AM
Replies
4
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136
Today at 11:03 AM
Erik the Awful
Rats... need a new part
sactown
Yesterday at 11:46 PM
Replies
7
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158
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sactown
D
Ground Wire Behind Engine
Dachechinwolf
Yesterday at 11:10 PM
2
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10
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171
Today at 12:26 AM
Dachechinwolf
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ECM trouble dtc 51 PROM error
TheKOOK
Yesterday at 11:04 PM
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4
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83
Today at 2:47 AM
TheKOOK
T
Upgraded injectors
Savagesierra
Yesterday at 9:40 PM
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96
Today at 2:36 AM
Schurkey
Y
1995 5.7 head / head gasket issue.
youtubemechwitsense
Yesterday at 7:00 PM
Replies
5
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135
Today at 11:00 AM
Erik the Awful
R
Idler pulley/tensioner question 1990 5.7 with AC
RShrimp
Yesterday at 4:10 PM
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1
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41
Yesterday at 4:16 PM
Nad_Yvalhosert
N
Well, that was unexpected!
DesertRat828
Yesterday at 2:35 PM
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4
Views
121
Yesterday at 2:49 PM
DesertRat828
R
1995 k1500, 5.7/350. Backfires through intake
RhettR7707
Yesterday at 12:00 AM
Replies
9
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157
Today at 6:48 AM
DerekTheGreat
L
BBK Exhaust Header
LTrUS
Wednesday at 6:48 PM
2
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13
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353
Yesterday at 6:49 PM
LTrUS
L
S
Best Spider
Skip Fix
Wednesday at 4:28 PM
Replies
6
Views
207
Yesterday at 1:01 PM
Orpedcrow
4
Performance Issue on 1993 C1500 1/2 Pickup Single Cab
47venture
Wednesday at 1:09 PM
Replies
2
Views
85
Wednesday at 8:45 PM
Schurkey
1996 K2500 Sub L29 454 Hesitation off idle
inconceivablemotors
Wednesday at 1:07 PM
Replies
1
Views
58
Wednesday at 1:20 PM
Keeper
P
starter bendix gremlin
pichaelsux
Wednesday at 7:24 AM
Replies
8
Views
170
28 minutes ago
HotWheelsBurban
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