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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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Cam Setup For L31 350 Vortec
Yesterday at 11:28 PM
TStowell
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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629
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629
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J
Carb swapped ‘97 vortec - SUCCESS!!!
Monday at 2:25 PM
jockito
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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Long tubes
Wednesday at 11:36 AM
revmatcher
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94 K3500 Cooling Problem - Was swapped from 350 to 454
louieb416
Monday at 11:25 AM
Replies
7
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204
Tuesday at 7:50 PM
GoToGuy
S
Is the EGR. Delete good
Shon350Hodges
Feb 11, 2021
2
3
4
Replies
33
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6K
Tuesday at 9:16 AM
someotherguy
Thermostat gauge bouncing
Obsjaxon
Saturday at 8:31 PM
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7
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218
Monday at 8:58 PM
Obsjaxon
K
Fuel pump problem?
Kevin Callahan
Monday at 7:01 PM
Replies
1
Views
127
Monday at 7:11 PM
HotWheelsBurban
Black Bear tune for 383 - questions
EJ_74
Sunday at 6:39 PM
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3
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158
Monday at 6:58 PM
EJ_74
J
97 5.7 runs on 7 cylinders but won't on 8
Jrivers0688
Mar 20, 2024
2
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19
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650
Monday at 2:23 PM
emarkay
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90 TBI to Tpi swap
Slowrooster89
Mar 21, 2024
2
3
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29
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888
Monday at 2:22 PM
Komet
Fun on a budget- My 96 Sierra 2500 454
454C2500Longbed
Feb 6, 2024
9
10
11
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104
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5K
Monday at 1:38 PM
454C2500Longbed
Scroll Compressor
Scooterwrench
Monday at 1:21 PM
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1
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63
Monday at 1:25 PM
L31MaxExpress
D
First real test drive today, after V8 swap.
DeCaff2007
Jan 25, 2024
20
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215
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9K
Monday at 7:59 AM
DerekTheGreat
J
5.7 mpfi conversion issues with injection bracket
jtchevyman
Apr 15, 2023
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2K
Monday at 1:57 AM
alvaroemg
D
Cranks no start after column replacement
Daknick2015
Sunday at 7:05 PM
2
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229
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scott2093
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Fuel pressure under load? help please
Ozzy4194
Sunday at 3:45 PM
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78
Sunday at 10:11 PM
Ozzy4194
O
T
Ignition coil wiring
That_91K1500
Saturday at 7:30 PM
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169
Sunday at 9:42 PM
That_91K1500
T
K
Help with rough startup, and randomly dies on a rare occasion from sputtering too much. 98 sierra 4x4 5.7l vortec
kingremy619
Sunday at 12:31 AM
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113
Sunday at 8:56 PM
Schurkey
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Towing Long Distance
Latest: 93bluesilverado
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4/6 Drop kits for a 1996' 2 Door Tahoe
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