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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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K1500 5.7 Tuning Help
Today at 6:37 AM
98SilveradoK1500
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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Favorite Shop for EV6 Injector Refresh?
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Erik the Awful
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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98 sierra 5.0 305 longtube header swap
Yesterday at 1:47 PM
L31MaxExpress
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Different Steering Pumps?
Schimpfy
Jun 11, 2019
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Jun 12, 2019
Schimpfy
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Texas Speed and Performance engine swap progress
pro17
Jun 7, 2019
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Jun 11, 2019
pro17
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RV CAM TIming?
Driven by Gears
Jun 10, 2019
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Jun 11, 2019
Driven by Gears
Strange, specific power loss
rob249
Jun 11, 2019
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Jun 11, 2019
DerekTheGreat
Aux. radiator fan barely turns ???
bobby v
Jun 4, 2019
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Jun 10, 2019
RichLo
Casting Number ID
Larry_H
Jun 9, 2019
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Larry_H
No start on a 4.3
Jerryred94silvy
Jun 7, 2019
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881
Jun 9, 2019
PlayingWithTBI
A.I.R. Pump Valve (Discontinued)
CTX-SLPR
Jun 6, 2019
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CTX-SLPR
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Idler pulley issues
jon316
Jun 7, 2019
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jon316
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FANS......not working? 99 Yukon
skychair
Jun 7, 2019
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Jun 7, 2019
skychair
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Too rich, need mods
Captain
Jun 4, 2019
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Jun 7, 2019
Captain
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Replacement Oil Dipstick Tube?
NightRunner
Jun 6, 2019
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Jun 6, 2019
df2x4
Oil Cooler Leak and "quick connector"
rob249
Jun 5, 2019
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Trigger_guard
Direct Fit Electric Fan Cooling Replacement
RQ Jay
Jun 3, 2019
2
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Jun 5, 2019
bobby v
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99 7.4 low idle
99k2500crew
May 13, 2019
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Jun 5, 2019
99k2500crew
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