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Thread: Putting 3.05 ring and pinion in an A413

  1. #1
    Supporting Member Turbo Mopar Contributor
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    Putting 3.05 ring and pinion in an A413

    I have ordered 2 separate (20/61) 3.05 ring and pinion sets. Neither of them seem to mesh together. Has anyone had any experience with this.Click image for larger version. 

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  2. #2
    Supporting Member Turbo Mopar Contributor
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    Re: Putting 3.05 ring and pinion in an A413

    I cant find any transmission place that has the 3.05 ring and pinion I need so I will be checking scrap yards does anyone know an easy way to check if a vehicle has the parts without pulling the cover and counting gears?

  3. #3
    Super Moderator Turbo Mopar Staff contraption22's Avatar
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    Re: Putting 3.05 ring and pinion in an A413

    1st gen Neons with the DOHC engine should have a 3.05 ring and pinion.
    Mike Marra
    1986 Plymouth Horizon GLMF "The Contraption" < entertaining sponsorship offers
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    http://www.turbo-mopar.com/forums/showthread.php?69708-The-Contraption-2013-14&highlight=

  4. #4
    turbo addict
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    Re: Putting 3.05 ring and pinion in an A413

    Kevin,
    As mentioned earlier in another thread, the sales codes listed on the radiator tags third line (from bottom) will list what final drive and what transfer gears are in the transmission (lines 18-20). Life is too short to pull off a bunch of diff. and end plates to see what you've got.
    Todd

  5. #5
    Supporting Member Turbo Mopar Contributor
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    Re: Putting 3.05 ring and pinion in an A413

    I finally found a set of gears that will work. I found that the rings and pinions come with different grooves in the gears and only certain ones will fit together correctly. After ordering from 4 different transmission places I found that a 3 groove pinion or transfer shaft will match to a 1 groove ring gear and that a 0 groove pinion fit the 3 groove ring gear.

  6. #6
    Supporting Member II Turbo Mopar Contributor
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    Re: Putting 3.05 ring and pinion in an A413

    Strange that there's a tooth angle change...wonder why?

  7. #7
    Supporting Member Turbo Mopar Contributor
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    Re: Putting 3.05 ring and pinion in an A413

    I am not sure why the angle would be different I cant find any information about compatible gears vs. The grooves
    Click image for larger version. 

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  8. #8
    Supporting Member Turbo Mopar Contributor
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    Re: Putting 3.05 ring and pinion in an A413

    Has anyone made a retainer for the transfer gear nuts? Any photos?

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