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Thread: 1971 De Tomaso Mangusta with stiff shifting ZF gearbox

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    1971 De Tomaso Mangusta with stiff shifting ZF gearbox

    My Mangusta does not get driven as often as it should and lately the times I drive it, the shifter seems to be stiffer and stiffer.I lubricated all the linkage and it seems to be fine. The problem seems to be inside the gearbox. Does anyone have any ideas of where I should start looking or has anyone else had similar problems? Thanks in advance for any help...Bill Sorensen

  2. #2

    Re: 1971 De Tomaso Mangusta with stiff shifting ZF gearbox

    Call PI Motorsports in Orange CA

  3. #3
    Senior Member Bleach's Avatar
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    Re: 1971 De Tomaso Mangusta with stiff shifting ZF gearbox

    Is it filled with ATF or gear oil? Gear oil will make it stiff. It should have ATF.
    ~DJ~

    There's nothing like that old car smell.

    1956 Ford Fairlane Town Sedan 30K original miles

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