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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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M
Another 454 Vortec Build Thread - Documenting, Q&A, Help
Yesterday at 10:42 PM
Moofus02
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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633
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7.9K
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633
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C
LM7 + PerformaBuilt 4L60E
Yesterday at 6:23 PM
CumminsFever
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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BBK Exhaust Header
Yesterday at 4:31 PM
95burban
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Odd starting problem
Iowan
Jun 1, 2018
Replies
5
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750
Jun 2, 2018
Eveready
N
99 C1500 Suburban PCM diagnostics cycle
needlenose
Jun 2, 2018
Replies
0
Views
301
Jun 2, 2018
needlenose
N
ECM question
outlawten5
Jun 1, 2018
Replies
2
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1K
Jun 2, 2018
outlawten5
C
ECM-1 keeps blowing on key-on when injector harness connected 250 miles after MFI upgrade
CSX55
May 23, 2018
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5
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870
Jun 2, 2018
CSX55
C
Any AC compressor recommendations for Suburbans?
my name is alex
Jun 1, 2018
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384
Jun 1, 2018
my name is alex
Truck runs fantastic, then multiple misfire the next day?
Tech-GeeK1500
May 24, 2018
2
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12
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2K
May 31, 2018
Tech-GeeK1500
S
A/C Pressure switches
Studio54
Jul 30, 2012
2
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10
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30K
May 31, 2018
96z71sas
Lost connection plug? Any ideas?
One1999Chev
May 30, 2018
Replies
1
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495
May 30, 2018
east302
91 K1500 350 TBI Running Rough
oldbrown
May 19, 2018
Replies
5
Views
853
May 30, 2018
ram1220
R
94 tbi 350
98k15
May 7, 2018
2
3
4
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30
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5K
May 30, 2018
DerekTheGreat
T
New Engine
Twin4573
May 23, 2018
Replies
8
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2K
May 29, 2018
arrg
A
engine oil cooler hose line problem
atyates
Sep 21, 2013
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6K
May 28, 2018
Baighn92
R
High idle
Richard Nelson
May 27, 2018
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2
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486
May 28, 2018
Richard Nelson
R
J
P0440 P0300 Back firing
JoeySS
Feb 8, 2018
Replies
4
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771
May 28, 2018
Ttoyota
HELP Engine swap harmonic bal. Pulley alignment issue
travis mattson
May 27, 2018
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1
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267
May 27, 2018
travis mattson
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