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Old 09-05-2018, 01:27 PM   #608
Yoshoobaroo
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Harrop TVS86 Owners Thread

Quote:
Originally Posted by PhyrraM View Post
I haven't read that specifically, but it could play a part. The major difference is that a turbo is on the front side of the throttle plate and pressure "backs up" against the throttle plate and "rebounds" into the turbo. Where a PD supercharger is behind the throttle plate and "lives" in vacuum when the throttle is closed.


A pure vacuum exerts as much force as 14.7 psi of boost. It's the same situation, the loads are just reversed.
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