Its not good but its not bad. Put it this way. If there was a major problem with that happening, there would be a fix for it. International, Detroit, CAT and other Cummins turbos do it too. The N14 turbo is pretty strong. So i wouldnt really worry about it.
adding a blow off valve?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by thesvg, Jan 9, 2011.
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Just lift slower and you wont get the flutter. You must be really loading it down to make that happen tho. What i suggest is that you treat ypu throttle like is made of glass. That should reduce if not eliminate the compressor surge.
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If it really needed one it would be there from the factory. The main reason gas engine guys do it is for the cool factor. It only becomes a problem when larger than normal intercoolers are added and the compressor surge affects driveability.
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I'm starting to get the hang of it,I've noticed this engine can rev over 2000, and it feels and shifts better at 21-23 but I'm afraid of bending valves or is it safe? N14 celect
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The only time I run up to 2100 is when I'm descending a grade with the Jake on.... -
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Good deal thanks guys! I normally try to keep it in the green area of the tach.
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The blow off valve on a gas motor is there to keep the hoses and intercooler from getting blown up/off when the throttle is closed at high boost.
A diesel does not have this issue as it does not have a throttle plate to block incoming air. -
Blow off valves work on all types of engines. They simply relieve the pressure surging back through the intake system to prevent compressor surge. Gas engines need them do the the throttle bodies.
Diesels, not so much, but some peformance ones still benefit.
Really though you should just drive smart and you will be fine.
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