6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Normal Boost Levels

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Old 11-16-2018, 07:26 PM
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Normal Boost Levels

Alright Guys,
I recently replaced my Up Pipes and while i was in there pulled the turbos and rebuilt them. After getting everything back together truck is driving great just noticing boost levels seem higher than they used to be. Hard to say for sure though. Can anyone tell me what they are getting for boost levels on there truck at say 60, 65, 70 mph. Roughly. at 70-75 i seem to stay around 18-22 PSI of boost.
 
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Old 11-17-2018, 09:36 PM
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Highway speed is not a good indicator of boost range. During highway speed my boost sometimes is less than 5.

guning it on level ground I can hit 20 while doing 0 to 35 which is my locally enforced speed limut


we have a pretty good size hill of a half a mile or so and I can hit 35 boost going up most of it if I gun it.

 
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Old 11-17-2018, 09:44 PM
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Ok, driving 70 mph with cruise on and driving down a long flat straight away.
 
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Old 11-18-2018, 09:26 AM
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Once the truck is at speed , drones use much boost to keep it there. Maybe if your tires are low on air and other factors it might be higher.

 
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Old 11-18-2018, 04:04 PM
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Mine is tight and that sounds normal without towing.

Denny
 
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