BLOWER Mysteriously Louder Suddenly?
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Senior Member
Joined: Feb 2002
Posts: 483
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From: Great White North/Canada
BLOWER Mysteriously Louder Suddenly?
For some reason my Blower really whistles and sounds alot more mechanical all of a sudden? I have a JL StageIII Ram-Air w/#6 Pulley. It is more noticeable in gear at idle than in neutral but is getting progressively louder. It's not just an air sound????
Is this normal for the Blower to get louder? I have 27000kms on the Truck.
Is this normal for the Blower to get louder? I have 27000kms on the Truck.
Senior Member
Joined: Mar 2000
Posts: 6,798
Likes: 0
From: TEXAS
Yep - Its normal
The stock pulley has rubber in it to help quiet some of that noise.
Next time you hear it in drive put ebrake on HARD and raise the rpm about 75-100 see if it goes away ...
If so it is normal sound that has been referred to here by some as cavitation. You can search on that to get more info and you can have your chip reburned with extra 75 rpm or so idle to get around it
The stock pulley has rubber in it to help quiet some of that noise.
Next time you hear it in drive put ebrake on HARD and raise the rpm about 75-100 see if it goes away ...
If so it is normal sound that has been referred to here by some as cavitation. You can search on that to get more info and you can have your chip reburned with extra 75 rpm or so idle to get around it
Senior Member
Joined: Sep 2002
Posts: 579
Likes: 0
From: Atlanta Ga.
After I installed my 4lber i noticed a louder whine just during normal driving that I didn't notice before also... when i slowly depress the gas on the HWY it sides like a delta plane's turbine spooling up....It sounds cool but wondering whats causing this..
