Quote:
Originally Posted by JHOOPS2
Boost is just a measure of backpressure. It is dependent also on CR, head flow, intake restriction or lack there of, etc, etc.
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Incorrect. Boost is a measure of air compression, inside the engine's cylinders by the pistons. Backpressure has nothing to do with it, in fact, in turbo-charged applications we like to reduce backpressure in exchange of exhaust flow, in order to make the system more efficient and less restrictive.