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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
12200411 PCM swap for 1996 to 2000 GMT400 trucks
Today at 1:00 AM
Motorsports-X
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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647
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8K
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647
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8K
Tbi 350 swap to zz4 350
Yesterday at 8:48 AM
Erik the Awful
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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1997 C1500 5.7 Exhuast manifold 3 bolt flange help
Monday at 9:28 PM
Schurkey
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Water Pump Advice
jcain226
Feb 18, 2023
2
Replies
19
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3K
Friday at 8:16 AM
scott2093
S
411 Swap 383 Vortec Newbie To Tuning. Where To Start?
supspt454
May 14, 2024
2
3
4
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37
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971
Friday at 1:03 AM
supspt454
W
L29 VIN J 7.4L Vortec (fuel rail, 8-injectors, FPR & wiring harness TSB maybe?
WVZR-1
May 31, 2021
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7
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5K
Thursday at 10:17 PM
Spareparts
Random Miss/List of Codes
cnowalk
Mar 11, 2018
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2
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1K
Thursday at 7:06 PM
Schurkey
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Lost Acceleration
Workhorse98
Thursday at 2:00 PM
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105
Thursday at 6:50 PM
Schurkey
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88 square body
rangokatt
Thursday at 1:52 PM
2
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10
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443
Thursday at 4:08 PM
b454rat
B
Stalling When Pulling Away From a Stop
Machlen
May 19, 2024
2
3
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29
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804
Thursday at 3:38 PM
Schurkey
1994 c1500 350tbi surging idle
obswill
Jan 13, 2022
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2
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3K
Thursday at 1:19 PM
DerekTheGreat
Grounded alternator, now no start
_rgk
Apr 26, 2024
2
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10
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536
Thursday at 10:58 AM
movietvet
A/C replacement parts?!
95OBSMan
Nov 18, 2023
2
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31
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3K
Thursday at 10:51 AM
monsterwake
M
A
Power Steering
AvgJoe
Apr 6, 2024
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638
Thursday at 7:36 AM
scott2093
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Fuel leak after replacing injectors
bigblockburb
Thursday at 12:58 AM
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171
Thursday at 2:01 AM
Komet
9
Starter wire question
98tahoe4dr
May 19, 2024
2
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23
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685
May 22, 2024
98tahoe4dr
9
Mysterious radiator hose connection
LemonySoda60432
May 22, 2024
2
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11
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271
May 22, 2024
GoToGuy
M
Ticking tapping noise
Moe21purplez
May 21, 2024
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196
May 22, 2024
Schurkey
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