Is a bypass valve needed when....
02-17-2003, 08:41 PM
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Is a bypass valve needed when....
IS a bypass valve needed when the throttle body is before the blower?? you would think as soon as the thorttle shuts blower is not able to get anymore air..
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02-17-2003, 11:37 PM
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Car: 1992 B4C 1LE
Engine: Proaction 412, Accel singleplane
Transmission: built 700R4 w/custom converter
Axle/Gears: stock w/later 4th gen torsen pos
I dont know about that but I have heard of a phenomenon that causes the TB blade or blades to stay open from airflow when used before the blower/turbo, anyone else?
02-18-2003, 12:52 AM
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My friend made a custom setup with the throttle body before the charger and never had a problem running without a bypass valve. It will depend on the type of charger you use. He was using a roots style with cog belt. Centrifugals may give you problems because they function differently, but I know the setup was fine with the roots style. hth
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