Help track down a strange noise.
01-02-2005, 12:54 PM
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Help track down a strange noise. After the FM13 install I noticed a strange whistling that increased with RPM's. I thought it was the belts and replaced them. Switched out alternators, checked all pulleys and tensioners. Still the same annoying whistle. Upon closer inspection it seems to be coming from the intake. I changed out bellows just to check with no change. Could the extra air the FM13 is sucking in over the TR224 maybe cause a whistle in the intake runners? Checked all vacuum lines and nothing was swapped other then the cam. This is really annoying and any help is appreciated!
John
John
03-31-2005, 04:03 PM
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Originally Posted by John02SS
After the FM13 install I noticed a strange whistling that increased with RPM's. I thought it was the belts and replaced them. Switched out alternators, checked all pulleys and tensioners. Still the same annoying whistle. Upon closer inspection it seems to be coming from the intake. I changed out bellows just to check with no change. Could the extra air the FM13 is sucking in over the TR224 maybe cause a whistle in the intake runners? Checked all vacuum lines and nothing was swapped other then the cam. This is really annoying and any help is appreciated!
John
John
03-31-2005, 07:23 PM
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I've even swapped to a LSX 90 setup and it's still there. Has to be something with the Futral cams. A friend of mine just put on a FM11 and it does the same thing. Several guys on here with Futral cams has the same whistle. I gave up! 
