Quote:
Originally Posted by Diesel911
In theory when the Turbo is Boosting the Air in the Cylinders is compressed that Air Should be denser than a non-turbo Engine.
Having to spray against a higher density (thicker) of Air is the reason I think the Turbo Injectors have higher Pop/Opening pressure
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I have done lots of research on this and you are exactly correct. Some people will dispute that slightly retarded timing allows for exhaust gasses to continue burning when exhausted and thus spool the turbo in less time. I tend to disagree with this theory, though. I can't see how incomplete combustion could create more exhaust gas pressure/volume than complete combustion and maintain efficiency and low-end power.
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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
Monark Nozzle Install Video - http://tinyurl.com/ptd2tge
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