Quote:
Originally Posted by Catman
Would be nice if a company like Trickflow would step up and make a more affordable aftermarket intake for these type of applications especially since they've worked on the 2v already. Guess the money just isn't there.
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What's needed is an intake that covers the rpm between the Sullivan and the stock intake. Something that would provide peak power around 7200 without killing low- and mid-range power.
Quote:
Originally Posted by tmhutch
The reason for this is that as RPM increases an engine depends more on inertial charging to fill the cylinder. It is one of the primary elements of acheiveing volumetric efficincies beyond 100%. Closing the intake valve sooner inhibits inertial charging. The specific RPM at which the benefits of inertial charging begin to outway the benefits of higher danamic compression can be as low as 4,000 RPM or as high as 7,000 RPM depending on the characteristics of the cylinder head and its' capabilities.
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Iintake runner length has to be considered when talking about Inertial Charging. If the cams and intake match, the combo makes great power, if they don't owrk together, power suffers. I see it all too often when people throw "big" cams into a mostly stock, low rpm combo.