Ok -- I gave up.

Went to the pool store fully intending to get ONLY a new motor -- but then they reccommended replacing seals, and the impellar also. All of this combined was 189.00, well I could but the whole new combo for 219.00, and save myself a lot of work, so they suckered me into it.

I have a Hayward 166t sand filter, I have always thought that a 1hp pump was too much for this small filter, so I downgraded to a 3/4.

So I am the proud new mom of a Hayward 3/4 hp pump!!