Thread: roots blower
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07-29-2005 12:27 PM #12
Originally posted by techinspector1
Look at the blower boost chart, compression ratio down the left side and boost psi across the top. This will tell you how much boost you can run on pump gas and on racing gas.....
http://www.blowerdriveservice.com/techcharts.php
A supercharger sized to a stock SBC with 5 psi boost, may in fact only produce 2 or 3 psi boost after porting the heads with larger valves and increased exhaust breathing, but increase power due to the ability for the engine to breath better.---Tom
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