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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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L31 Extreme Budget Build
Today at 12:51 AM
L31MaxExpress
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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644
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8K
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644
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8K
Welp, got a doner.
Yesterday at 4:50 PM
0xDEADBEEF
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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13.9K
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13.9K
1997 C1500 5.7 Exhuast manifold 3 bolt flange help
Yesterday at 12:25 PM
Scooterwrench
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Is this a stupid thing to do?
Iowan
Mar 30, 2018
Replies
4
Views
863
Mar 31, 2018
Iowan
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
648
Mar 31, 2018
randomguy
Increase low end torque?
Cheyenne
Mar 20, 2018
2
3
Replies
25
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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
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0
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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
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2K
Mar 29, 2018
94burbk1500
B
1998 CC 454 to 12v with an NV4500 opinions
Beefy k1500
Mar 28, 2018
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0
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405
Mar 28, 2018
Beefy k1500
B
M
Design and build throttle body
Motorsports-X
Mar 11, 2018
3
4
5
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41
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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
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38K
Mar 28, 2018
sayso
Replaced Fuel Sender, Gauge off by 10 gallons now.
Tom P
Mar 9, 2018
2
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12
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3K
Mar 28, 2018
Tom P
TBI EGR Valves
randomguy
Mar 27, 2018
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1
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4K
Mar 28, 2018
someotherguy
Intake Gasket? Head Gasket?
paulson524
Mar 27, 2018
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1
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1K
Mar 27, 2018
supermailman
S
1995 454 TBI questions
OUTLAW68
Mar 22, 2018
2
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12
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6K
Mar 26, 2018
94burbk1500
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