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Thread: bolt specifications

  1. #1
    Supporting Member II Turbo Mopar Contributor jeff1234's Avatar
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    bolt specifications

    Can anyone tell me the metric bolt size of the crank pulley bolt from an 1989 2.5 common block. I couldnt find any specifics in the blog.
    Is it an M10 X 1.25 or M12 X ?
    Thank you
    Jeff1244
    Last edited by jeff1234; 06-19-2018 at 09:32 AM.
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

  2. #2
    turbo addict
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    Re: Bolt soecifications

    I replaced the stock sprocket bolt with a 100mm M12x1.75 all stud and matching nut that you can get from your local Ace hardware. It makes reinstall the sprocket easy and you will not risk damaging the threads on the crank.

  3. #3
    Supporting Member II Turbo Mopar Contributor jeff1234's Avatar
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    Re: Bolt soecifications

    Thanks Tryingbe, I'm going to make a multi tool out of that. A pulley install tool and a spindle for my cam Degree wheel. I need one 150 mm long so I will go to ace first and see what they can do for me.
    The only substitute for cubic inches is cubic dollars, how fast can you afford to go?

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