[Z06] engine whistle, anyone experience?
Thread Starter
Pro
Joined: Nov 2002
Posts: 537
Likes: 0
From: amherst ny
engine whistle, anyone experience?
I installed the vararam over the weekend, and finally got some good weather. I notice I now have a small whistle when I give it the gas. It seems to just kick in when I start to give it gas, then go away. Is this just the engine sucking more air, or do I have a problem? Thanks in advance...
Safety Car
Joined: Nov 2002
Posts: 4,394
Likes: 6
From: Melbourne FL
Re: engine whistle, anyone experience? (jgmachine)
I think what you are hearing is normal. If it were an air leak you should have thrown some kind of engine code. I also installed the vararam this past weekend and noticed a similar noise while the hood was open.
Intermediate
Joined: Apr 2002
Posts: 30
Likes: 0
From: houston tx
Re: engine whistle, anyone experience? (jgmachine)
Likewise, mine is completely stock and it almost sounds like it has turbos sometimes with the way the engine whistles! I think you fine.
[Modified by 427L, 2:10 AM 6/3/2003]
[Modified by 427L, 2:10 AM 6/3/2003]
Instructor
Joined: May 2003
Posts: 121
Likes: 0
From: SI NY
Re: engine whistle, anyone experience? (jgmachine)
Joseph,
That is normal for AFTERMARKET intake systems. (I am surprised to here some guys say they here it on their stock intakes.) I have tried and dynoed several aftermarket sysyems: 1.Twin flow air intake 2.blackwing
3.vortex ram air and 4. stock w/K&N all with aftermarket air bridges(MAF to TB). The reason you just here it when you first apply the gas is because the increased air builds up by the throttle body and when you first apply the gas and the throttle plate begins to open the air that was built up rushes around the plate causing the whistling noise. It seems to be louder with systems that require cutting the radiator shroud.
P.S. By the way, guess what happens when you switch to a larger throttle body....louder whistle. :yesnod:
That is normal for AFTERMARKET intake systems. (I am surprised to here some guys say they here it on their stock intakes.) I have tried and dynoed several aftermarket sysyems: 1.Twin flow air intake 2.blackwing
3.vortex ram air and 4. stock w/K&N all with aftermarket air bridges(MAF to TB). The reason you just here it when you first apply the gas is because the increased air builds up by the throttle body and when you first apply the gas and the throttle plate begins to open the air that was built up rushes around the plate causing the whistling noise. It seems to be louder with systems that require cutting the radiator shroud.
P.S. By the way, guess what happens when you switch to a larger throttle body....louder whistle. :yesnod:
Drifting
Joined: May 2000
Posts: 1,797
Likes: 0
From: Thompson Falls MT
Re: engine whistle, anyone experience? (2002 Z06)
I hear mine whistling all the time at idle... Completely stock. I never thought of it before because it sounds just like the TT bleedoff that I'm so used to hearing.
[Modified by TAC, 8:43 PM 6/2/2003]
[Modified by TAC, 8:43 PM 6/2/2003]
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Le Mans Master
Joined: Dec 2000
Posts: 8,744
Likes: 2
From: The King of Bling
St. Jude Donor '10
Re: engine whistle, anyone experience? (TAC)
Stock with a K&N and I hear it between shifts. :confused: I thought I may have a leak but no codes and it still runs like a scalded cat.
Thread Starter
Pro
Joined: Nov 2002
Posts: 537
Likes: 0
From: amherst ny
Re: engine whistle, anyone experience? (2002 Z06)
Joseph,
That is normal for AFTERMARKET intake systems. (I am surprised to here some guys say they here it on their stock intakes.) I have tried and dynoed several aftermarket sysyems: 1.Twin flow air intake 2.blackwing
3.vortex ram air and 4. stock w/K&N all with aftermarket air bridges(MAF to TB). The reason you just here it when you first apply the gas is because the increased air builds up by the throttle body and when you first apply the gas and the throttle plate begins to open the air that was built up rushes around the plate causing the whistling noise. It seems to be louder with systems that require cutting the radiator shroud.
P.S. By the way, guess what happens when you switch to a larger throttle body....louder whistle. :yesnod:
That is normal for AFTERMARKET intake systems. (I am surprised to here some guys say they here it on their stock intakes.) I have tried and dynoed several aftermarket sysyems: 1.Twin flow air intake 2.blackwing
3.vortex ram air and 4. stock w/K&N all with aftermarket air bridges(MAF to TB). The reason you just here it when you first apply the gas is because the increased air builds up by the throttle body and when you first apply the gas and the throttle plate begins to open the air that was built up rushes around the plate causing the whistling noise. It seems to be louder with systems that require cutting the radiator shroud.
P.S. By the way, guess what happens when you switch to a larger throttle body....louder whistle. :yesnod:
MUCH THANKS, you have put my mind at ease...
Pro
Joined: Mar 2003
Posts: 528
Likes: 3
Re: engine whistle, anyone experience? (jgmachine)
<Likewise, mine is completely stock and it almost sounds like it has turbos sometimes with the way the engine whistles! I think you fine>
yup, yup :crazy:
when i slow down i can hear liek soemthing slows down with me.... weird...
yup, yup :crazy:
when i slow down i can hear liek soemthing slows down with me.... weird...
Drifting
Joined: Mar 2002
Posts: 1,687
Likes: 9
From: Kemah Tx
Re: engine whistle, anyone experience? (atoyf)
<Likewise, mine is completely stock and it almost sounds like it has turbos sometimes with the way the engine whistles! I think you fine>
yup, yup :crazy:
when i slow down i can hear liek soemthing slows down with me.... weird...
yup, yup :crazy:
when i slow down i can hear liek soemthing slows down with me.... weird...
