Re: Henry's 55 Constellation

Posted by Owen_Dyneto On 2010/9/9 9:23:55

Several of the commercial water pump rebuilders are substituting a stamped stainless steel impeller, perhaps not a bad idea given the possibility of age deterioration of plastic ones, even NOS. Here's a pic of mine, impeller from a late model GM water pump, I believe. It's been in there about 13 years now, no problem. I had to very slightly grind the edges of the vanes to get an appropriate minimum clearance to the housing (could have used a thicker gasket, I guess, but seemed the better solution).

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