F.A.S.T. 102mm truck intake manifold
10-17-2009, 12:33 PM
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An engine is just a big air pump, Move more air in the engine and more air out = more power, right?
The thing most boosted guys don't realize boost is a measure of restriction, not airflow. So with a better intake you'll be flowing more air no doubt, because it makes more power. When you add anything that flows better, like heads, cam,intake, exhaust, etc. You reduce a restriction point, which makes more power with less boost, which is also easier on parts.
Does it make sense that something that flows more air could make you have less boost, but make way more power? (Think airflow) Then you can crank the boost back to where it was and it will make even more power again.
I don't have experience with this intake, but I do understand how engines work and some typical misconceptions. Ive also read that the other LSXR intakes are good to 67psi or something like that.
The thing most boosted guys don't realize boost is a measure of restriction, not airflow. So with a better intake you'll be flowing more air no doubt, because it makes more power. When you add anything that flows better, like heads, cam,intake, exhaust, etc. You reduce a restriction point, which makes more power with less boost, which is also easier on parts.
Does it make sense that something that flows more air could make you have less boost, but make way more power? (Think airflow) Then you can crank the boost back to where it was and it will make even more power again.
I don't have experience with this intake, but I do understand how engines work and some typical misconceptions. Ive also read that the other LSXR intakes are good to 67psi or something like that.
This is mostly correct, but you left out the part where it only helps to improve the parts causing the restriction. The Intake is not the only part of the system that causes a restriction. You have other things like exhuast, heads, cam. In example, you can have a intake that flows 8000 cfm, but if your exhuast can only flow 1000 cfm that is all that is going to be flowing through the intake if your heads and cam can keep up.
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