Drivetrain Ring And Pinion Install

Discussion in 'Fox 5.0 Mustang Tech' started by Cory Berg, May 23, 2013.


  1. Cory Berg

    Cory Berg Active Member

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    Over the last week or so I've noticed that my pinion seal is leaking. I wanted to take this opportunity to put in some new gears because I drive it every day and some better mileage would be really nice. Does anybody know a good shop in the San Jose, Ca area that could help me out for a good price?
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  2. lizardsman

    lizardsman Member

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    Changing the ring and pinion is not that difficult. You'll just need to do some research on you tube and such. Or you could buy the book and it will walk you though it. Or you could go to just about any repair place and have it done.
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  3. Cory Berg

    Cory Berg Active Member

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    I'm not confident enough to change it myself and lack the proper tools and facilities to do it myself...
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  4. lizardsman

    lizardsman Member

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    Any local shop should be able to handle it for you.
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  5. Cory Berg

    Cory Berg Active Member

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    What is a good price to pay to have it done? I certainly don't want to pay too much...
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  6. lizardsman

    lizardsman Member

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    I would expect to pay for 2 to 3 hours. Down here most mechanics charge anywhere between $65 and $120 an hour. Your best bet is to find a smaller shop where you see a muscle car or hotrod sitting outside. Usually means thier old school. A new ring and pinion is not that cheap either. What gears you plan on putting in? And what mods do you have done now?
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  7. larrym1961

    larrym1961 Member

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    Also to do a ring and pinion yourself, you would need a dial type in./lb. torque wrench to torque your pinion nut to about 15 in/lbs. to. I myself have not found an auto parts store that rents one out to use, and they are very expensive to buy, most cost over $200 that I have seen.
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  8. MikeH686

    MikeH686 Mine is only two inches though.

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    I just did mine and the guy charged me 300
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  9. MikeH686

    MikeH686 Mine is only two inches though.

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    And he took about 6 hours
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  10. srtthis

    srtthis the guy doing it does every local racers rear end

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    not if you want it done right... very few shops have a guy who can do them and do them right.
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    toolow91 likes this.
  11. mikestang63

    mikestang63 Mustang Master

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    Do not farm this out to the lowest bidder. This is not a job for the nutswingers at Tire Kingdom or Sears.An improperly installed gears and/or pinion can cause all kinds of damage to the rear end assembly. Find someone that does this and does it well. Certain things it pays to have done right the first time. I would go to at least three different shops in person to see what kind of work they do first.
    #11
  12. Cory Berg

    Cory Berg Active Member

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    This is exactly the help I was looking for. Thank you guys.
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