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draining coolant-where the plugs at?

im trying to drain the coolant out of the radiator and the engine and i have yet to find a draincock on the radiator or any on the engine block. the manual has a picture of one on the lower right corner of the radiator but i havnt seen it and the manual has no picture for the engine. anyone know what it should look like or where the plugs should be? i have a 1987 300zx any help would be amazing

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    yea its a z31

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    you want to be on here mate they be able to sort you out as there are for all types of zed. we're mainly z32. a good friendly bunch on there

    hth graeme

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