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Thread: Crank gear bolt size

  1. #1
    Garrett booster
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    Crank gear bolt size

    Wondering if anyone knew the length size and pitch diameter of the center crank bolt for the timing gear? Thanks alot for any help

  2. #2
    See me ride out of the sunset... Turbo Mopar Staff BadAssPerformance's Avatar
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    Re: Crank gear bolt size

    Which year and size engine?

    JT
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  3. #3
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Crank gear bolt size

    CB is 10x1.5
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
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  4. #4
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    Re: Crank gear bolt size

    My bad yeah 2.2 common block. Cool thanks alot I'll hopefully have the engine in the car this weekend! Thanks alot I appreciate it!

  5. #5
    See me ride out of the sunset... Turbo Mopar Staff BadAssPerformance's Avatar
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    Re: Crank gear bolt size

    Quote Originally Posted by turbovanman View Post
    CB is 10x1.5
    It's not M12x1.75?

    JT
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  6. #6
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Crank gear bolt size

    Quote Originally Posted by BadAssPerformance View Post
    It's not M12x1.75?
    Sorry JT, good catch, I was thinking of my Tall Deck crank, lol.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  7. #7
    Garrett booster
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    Re: Crank gear bolt size

    Haha I figured it out. M10 looked a little small so I grabbed a M12 and fit perfect. Thanks guys

  8. #8
    See me ride out of the sunset... Turbo Mopar Staff BadAssPerformance's Avatar
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    Re: Crank gear bolt size

    Cool. Make sure you use a hard bolt too, like PC 10.9 like the OEM ones... 8.8 might have issues

    JT
    SDAC Director
    SDAC-Chicago President
    JOIN SDAC and your local Chapter TODAY! - SUPPORT the CLUB that supports YOUR HOBBY!
    87 Shelby Z - 10.50@141.66mph
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    Submit your 1/4 mile times HERE!!

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  9. #9
    Garrett booster
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    Re: Crank gear bolt size

    I have to go back to get a longer one. Didn't think about having the trigger wheel mounted so it needs to be about an inch or so longer. But I did grab a hardened bolt tho. Figured I'd rather be safe.

  10. #10
    turbo addict
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    Re: Crank gear bolt size

    I replace that bolt with a stud, nut, and washer from aces.

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