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Discussion Starter · #1 ·
Need help :oops: :oops: Does anyone know any websites that sell FMS (Ford Motorsport) 4.10 Gears for a 7.5 rear end. I have tried every search. Thanks for any help.....
 

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Discussion Starter · #7 ·
Zimstang, I have read that Richmond gears are whinny. Plus, I have read only but good things about FMS. Please correct me if I'm wrong.
 

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richmonds can whine more than others, but theyre more durable and what many racers use. but FMS can whine if not installed properly.

as long as the gears are installed correctly, they wont whine. neither FMS nor richmond.
 

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I had US Gear Ring and Pinion Gears, no problems once they were in, but ended up costing me extra labor cause they had to take them back out and trim down some kind of pins to make them work on the FMS track lock. This was on my V6. The GT I have FMS 3.73s.
 
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