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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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19K
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L31 Extreme Budget Build
Yesterday at 5:32 PM
L31MaxExpress
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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635
Messages
7.9K
Threads
635
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Z
Intake swap
Yesterday at 9:24 AM
zach_rabey
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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A
Iso long tube headers
Yesterday at 7:44 PM
Adyy
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Fuel pressure within spec but won't fire without starting fluid.
Tech-GeeK1500
Mar 26, 2018
Replies
6
Views
3K
Mar 31, 2018
Biggershaft96
Code 32
ima93chevyguy
Mar 30, 2018
Replies
1
Views
644
Mar 31, 2018
randomguy
Increase low end torque?
Cheyenne
Mar 20, 2018
2
3
Replies
25
Views
7K
Mar 31, 2018
CrustyJunker
Woosh or pressure purge/release sound under load or deceleration only
brycebba
Mar 9, 2018
Replies
4
Views
2K
Mar 30, 2018
Chris253
C
C
Question about knock sensor replacement
Chris253
Mar 30, 2018
Replies
0
Views
606
Mar 30, 2018
Chris253
C
TBI Code 43
randomguy
Mar 14, 2018
2
3
Replies
24
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31K
Mar 30, 2018
randomguy
Engine died while driving
Wheezy Salmon
Mar 28, 2018
Replies
2
Views
2K
Mar 29, 2018
94burbk1500
B
1998 CC 454 to 12v with an NV4500 opinions
Beefy k1500
Mar 28, 2018
Replies
0
Views
402
Mar 28, 2018
Beefy k1500
B
M
Design and build throttle body
Motorsports-X
Mar 11, 2018
3
4
5
Replies
41
Views
4K
Mar 28, 2018
Motorsports-X
M
99+ LS1 PCM swap into OBS GMT400 trucks/SUV's
hquick
Dec 24, 2009
9
10
11
Replies
102
Views
38K
Mar 28, 2018
sayso
Replaced Fuel Sender, Gauge off by 10 gallons now.
Tom P
Mar 9, 2018
2
Replies
12
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3K
Mar 28, 2018
Tom P
TBI EGR Valves
randomguy
Mar 27, 2018
Replies
1
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4K
Mar 28, 2018
someotherguy
Intake Gasket? Head Gasket?
paulson524
Mar 27, 2018
Replies
1
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1K
Mar 27, 2018
supermailman
S
1995 454 TBI questions
OUTLAW68
Mar 22, 2018
2
Replies
12
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6K
Mar 26, 2018
94burbk1500
D
Rebuilt 350 TBI knock at low idle
dhumboldt12
Mar 22, 2018
2
3
Replies
27
Views
4K
Mar 26, 2018
thewedge
T
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