exaust squealing when past half throttle? - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 10-14-2010, 04:13 PM Thread Starter
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exaust squealing when past half throttle?

i am having a situation here and i am looking for an answere. i have been asking since i bought it over a year ago and havnt gotten an answere.i have and 03 ex eddie beuer with the 7.3 psd it has an air raid intake and a superchip programmer and a straight pipe exaust and when i have the chip on and go past half throttle it squeels like a valve in the turbo system opens and makes it squeel. when i first bought it i thought it was pretty cool sounding but now it is getting annoying so i was wondering if someone else has had this problem and could lend me some advise or answers.
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post #2 of 3 Old 11-20-2010, 06:12 AM
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I have only ever heard that when a clamp was loose or broken or the up-pipes are bad.

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post #3 of 3 Old 11-20-2010, 06:16 AM
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had a freightliner once upon a time doing the same thing and as posted ^^^^^ there was a crack in the exhaust manifold i believe it was

Sold 01 350 6" on 37's and mild mods, 00 X 4" on 35's, 02 f350 4" 35's molded from fan to drive shaft, ridin the 03 with nose conversion with 125k and counting upwards slowly.
Never had CNC on any of it, never will.
Take 3/4 of the info and recommendations on here with a grain of salt
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