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1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion

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  #1  
Old Wed, July 25th, 2012, 08:41 PM
Jfusc117 Jfusc117 is offline
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Default Stock boost on a 7.3

So my chip is back getting custom tunes so I'm driving my truck around on the stock setting. It's got a 38r turbo and my boost gauge is reading 22lbs at WOT. I thought normal was only like 15-17. Is this turbo making more boost even though my truck has no tunes on it? Thanks guys
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Old Thu, July 26th, 2012, 09:50 AM
rammertide07 rammertide07 is offline
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stock turbo/stock tunes is about 19lbs max. What size exhaust housing do you have. It is possible I suppose to have more boost even if you have a 1.0 A/R exhaust housing since the bearings spin more freely.
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Old Thu, July 26th, 2012, 10:03 PM
Jfusc117 Jfusc117 is offline
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Yea good point it's the 1.0 housing. The truck has a couple other mods to but I guess I just figured with stock tunes and injectors the turbo shouldn't be putting out that much boost
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