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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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The Official Vortec 454 Info thread
Today at 5:08 PM
Mangonesailor
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
644
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8K
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644
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8K
Welp, got a doner.
Today 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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1997 C1500 5.7 Exhuast manifold 3 bolt flange help
Today at 12:25 PM
Scooterwrench
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Maxed out fuel trims for no reason??
Bernie
Sep 26, 2017
Replies
5
Views
2K
Sep 27, 2017
Bernie
V
454 tbi to vortec mpfi intake swap
vogey
Sep 27, 2017
Replies
2
Views
9K
Sep 27, 2017
Christian Steffen
Intermittent high idle
GMC1994K1500SierraSL
Jul 12, 2017
Replies
8
Views
7K
Sep 27, 2017
DerekTheGreat
J
Planning on doing the mpfi spider upgrade
Jiggie
Sep 26, 2017
Replies
0
Views
476
Sep 26, 2017
Jiggie
J
W
Recommendation on stall convertor
WalkeJ1
Sep 20, 2017
Replies
6
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4K
Sep 26, 2017
chrmaka
HELP ME PLEASE
ChevyBoat
Jul 21, 2015
Replies
4
Views
1K
Sep 25, 2017
DerekTheGreat
Got 800 to GMT400 Electric fan conversion
inscarguy
Sep 23, 2017
Replies
6
Views
4K
Sep 24, 2017
BIG_KID
S
Ac swap troubles.
SilvyLightning
Sep 21, 2017
Replies
8
Views
1K
Sep 24, 2017
chipskittles
C
4
Oil Fill Hole
4L80
Dec 16, 2016
Replies
7
Views
6K
Sep 23, 2017
4L80
4
A few problems
JB415
Aug 16, 2017
2
Replies
16
Views
2K
Sep 22, 2017
eyesi
E
R
No start, fuel issue
rigsboo
Sep 14, 2017
Replies
3
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3K
Sep 22, 2017
eyesi
E
Still have random fuel related no-start issue
RichLo
Sep 15, 2017
Replies
5
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1K
Sep 22, 2017
eyesi
E
Needing more fuel
1bigwilliestyle
Sep 21, 2017
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2
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835
Sep 21, 2017
1bigwilliestyle
W
Timing chain
winford hackworth
Sep 14, 2017
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1
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1K
Sep 21, 2017
c1500deathtrap
C
G
Po300
Greg Mck
May 30, 2017
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9
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2K
Sep 21, 2017
GarrettGmc
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