Ford Mustang Forum - View Single Post - Got frpp 3.73 put in today... hearing faint gear howl
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post #1 of (permalink) Old 04-26-2013 Thread Starter
srizo
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Joined: May 2010
Location: Fresno
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Got frpp 3.73 put in today... hearing faint gear howl

So i got 3.73s ford racing gear from americanmuscle along with the install kit. Doing the heat cycle right now but when i am coasting at 50mph, i can hear a faint gear howl. Very hard to describe. When decelerating, i can hear it sort of winding down.

Any ideas why this could be happening?

I have an appointment with the shop next week because i dont think i am supposed to hear anything from my rear end.

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