FMU question

Discussion in 'Fox 5.0 Mustang Tech' started by Black1987Stang, Aug 21, 2007.


  1. Black1987Stang

    Black1987Stang Active Member

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    I got an fmu with my S-trim, how can I find out what disk it has in it? I took it apart and got the disk out, can I measure the hole in the middle and find out the specs for different calibration disks somewhere? And what's the difference between a spring-assisted FMU and a normal rubber diaghram one? (advantages, disadvantages) Thanks! Sean

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