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Old 09-26-2012, 06:17 PM   #26
Scooby Newbie
Member#: 305010
Join Date: Dec 2011

I think "boost is boost" is a misconception. 18psi is 18 psi unless you have a bottleneck. Then 18 psi is just manifold pressure and not cylinder pressure and cylinder pressure is the only one that matters. Better thing to look at than boost is your mass airflow. This is why a bigger turbo is better, you dont have to funnel your inlet into a tiny turbo inlet you get the same boost but at a lower temp which gives you a denser charge into the cylinder because a colder charge can also move easier through a cylinder head bottleneck. Does anyone else see why boost is a misconception now? Boost isnt used right in most cases its just really there for diagnostic purposes not performance purposes.
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