Not sure about the auto, but I just purchased (this morning) a new circulating pump from skidim. It is bo-rotational, but delivered to my door cost 132.66. I have an 86 351 PCM. It comes with a gasket, that is needed so you don't need to buy a new one and you use the same pulley you currently have. I should have it by Friday and I will install that night if time allows. If needed I will keep you updated on it if you want. Good luck.
**On a second note, I just looked closely at the pictures of each online. I don't know if its just the pictures, but look at where the pulley bolts up. The marine one from indmar has bolts on it. The one from RockAuto only has spots where you put bolts thru pulley an then tighten into the pump. Im not sure how much difference that will make, or how you can change it but thought I would throw that at you.
Last edited by suprasam; 06-27-2012 at 02:16 PM.
Shane
"The man who smiles when things go wrong has thought of someone to blame it on." Robert Bloch
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