Date registered: Apr 2011
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water pump clearance in '66 230 with '61 m180.941
i bought a 1966 230 heckflosse for $100, it needs a water pump and some repair to the radiator support, but the water pump i bought that apparently is correct for the engine (numbers say it's from a 1961 220Sb) is too long to fit in there without rubbing the fan on the radiator. i noticed that the correct water pump for the year (1966) is about half as long, but the impeller design is different. what i'm asking is will the pump that is correct for the year work on the earlier motor? everything fits except for the length, the bolt holes all match up on both so it's physically possible, i'm just worried about it staying cool as the correct pump for the motor has a much more aggressive looking impeller. any help would be great, thank you!