hissing fron intake

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Aug 10, 2002 | 12:23 AM

Zero Gravity

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hissing fron intake

i was parked idling my car and i floored it for a second and after I let go of the pedal it hisses for a second. its like tssssssss. and when I'm driving around 3500~4000 rpm, its like tsssssssssss. Is this normal if you have a Jim Wolf Intake? Or is there something wrong with my car? Can some one help me please? Thanks

Aug 10, 2002 | 12:57 AM

carnal_c30

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From: Everywhere, CA

100% Normal dont worry

Aug 10, 2002 | 08:24 AM

Zero Gravity

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Quote:

Originally posted by carnal_c30
100% Normal dont worry

is there any way to get rid of that hissing? Cuz its pretty dam annoying. What would happen if I get the upper piece of the cold air and stuck it on?

Aug 10, 2002 | 12:36 PM

NightRider

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Quote:

Originally posted by Zero Gravity

is there any way to get rid of that hissing? Cuz its pretty dam annoying. What would happen if I get the upper piece of the cold air and stuck it on?

The hissing would get louder....

The reason it does that is because there is a vacuum when the throttle plate is open. When the throttle plate closes, it causes the intake to act as a "Blow-off valve" venting gases back into the atmosphere.