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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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19K
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1.2K
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S
99 L29 454 build
Yesterday at 10:54 PM
Scottm
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
634
Messages
7.9K
Threads
634
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7.9K
T
How To: Ditch EFI and keep TBI PCM for 4L60E Control.
Yesterday at 2:04 PM
tayto
Exhaust
Anything exhaust - from headers cats and pipes to tips.
Threads
1.1K
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13.9K
Threads
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E
Long tube headers
Yesterday at 12:14 PM
EKOBS
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L31 Intake Spacer
Alan M
Apr 19, 2023
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0
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1K
Apr 19, 2023
Alan M
Parting out a 1994 Suburban C2500 diesel.
Frank Enstein
Apr 21, 2023
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0
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456
Apr 21, 2023
Frank Enstein
Upper manifold install
caw_86
May 16, 2023
Replies
0
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321
May 16, 2023
caw_86
D
ATS Cleaning Chemicals
DixieWASP
May 14, 2023
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0
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778
May 14, 2023
DixieWASP
D
Vapor Canister Hold down.
Seosamh
Jul 1, 2023
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0
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450
Jul 1, 2023
Seosamh
for the third time......
weaponoffreedom
Jul 25, 2023
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0
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356
Jul 25, 2023
weaponoffreedom
V
98 454 braket
Volvo
Jul 28, 2023
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0
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244
Jul 28, 2023
Volvo
V
Rear heater bypass?
rockR67
Jul 31, 2023
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0
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1K
Jul 31, 2023
rockR67
9
97 c2500 454 hissing bogs engine down a little
97 c2500 reg cab 454
Aug 4, 2023
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0
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398
Aug 4, 2023
97 c2500 reg cab 454
9
M
Looking for performance tuner in Northern Calif., or Southern Oregon
MorrisOnTheGo
Aug 5, 2023
Replies
0
Views
319
Aug 5, 2023
MorrisOnTheGo
M
1
DB2 fuel pump adjustment screw stuck??
1988gmc2500
Aug 7, 2023
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0
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281
Aug 7, 2023
1988gmc2500
1
B
EMP marine distributor cap
Blue Ghost
Aug 7, 2023
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577
Aug 7, 2023
Blue Ghost
B
F
Knock Sensor question
Firewood truck
Aug 10, 2023
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1K
Aug 10, 2023
Firewood truck
F
W
91 S10, 4.3, 2WD Vacuum Leak??
wrye
Aug 25, 2023
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258
Aug 25, 2023
wrye
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4
A/C Issues
454ssdude
Aug 31, 2023
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484
Aug 31, 2023
454ssdude
4
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