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Thread: 3.91 for a 741 case

  1. #1

    3.91 for a 741 case

    Anybody aware who makes a 3.91 ring and pinion for a Mopar 741 case?

  2. #2
    Senior Member RACING JUNKIE
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    there are alot of dealers out there, but i like the small guy,
    this guy was used in several hotrod mags. and i used him for
    parts thru the yrs and he is very knowledgeable for any rear,
    his slogan is"happyness is a tight posi" and his axels are called
    "kick ass axels" he also has tax return specials a true american
    good luck
    http://www.tomsdifferentials.com/catalog.asp?pg=113

  3. #3
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    signs, Good post on Tom's Diffs. He's in Idaho and not far away.
    TRUTH is HATE
    to those who
    HATE TRUTH

    God Bless our folks in uniform
    "We the People, have your backs"
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  4. #4
    I'd have no issues with supporting Toms, but they only sell ring and pinions for the 742 or 489 case. My case is the early 657 / 741 case.

  5. #5
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    It's going to be very hard to find any aftermarket 3.91's for that early 8 3/4 case. Possibly a factory pickup rear end would have that shorter gear but it'll be used and weaker.
    Be better to scare up a 742/489 punkin'.
    TRUTH is HATE
    to those who
    HATE TRUTH

    God Bless our folks in uniform
    "We the People, have your backs"
    http://www.racingjunk.com/profile/279898

  6. #6
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
    Join Date
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    Emmett, Idaho
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    TRUTH is HATE
    to those who
    HATE TRUTH

    God Bless our folks in uniform
    "We the People, have your backs"
    http://www.racingjunk.com/profile/279898


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