5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

boost pressures

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Old 01-08-2011, 11:09 PM
12valvers's Avatar
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Default boost pressures

should my boost be at more than 25psi?. i have ARP head studs, some kinda fuel plate not sure what size, a tuned afc for little smoke, a 4'' exhaust, gauges, everything else is stock

what are the pros and cons of pluging the wastgate for more boost,

please and thanks
 
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Old 01-08-2011, 11:14 PM
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That is def your wastegate opening... Plugging it will net you around 40psi with enough fuel. Theres no real harm in plugging it but the turbo gets unefficent at around 35psi. I have a boost elbow in my 12v set to open around 35-38 because plugging mine with the ammount of fuel I have would get around 50... Too much
 
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