6.2L & 6.5L Performance Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines Related to Performance and Longevity

Power Screw Adjustment

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Old 08-02-2010, 04:50 PM
zielinski.family's Avatar
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Default Power Screw Adjustment

Just purchased a 93 gmc 6.5l this past winter and I have up graded the cooling system with the duramax fan/clutch, 130 gpm water pump, marine injectors, aftermarket air cleaner and heavy duty lift pump. I have heard of guys turning up the power screw and I was wondering how can you tell if someone has already played with it?
 
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Old 08-24-2010, 02:49 AM
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this is the fuel screw link, it has some really good knowledge in it

https://www.dieselbombers.com/6-2l-6...ctor-pump.html
 
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