JWL1940 Posted June 10, 2016 Report Share Posted June 10, 2016 I have radiator shroud, fan and drive removed with the water pump exposed. I think this would be a good time to install a new one. Understand the pump bodies with the reinforcing ribs are the ones to get. Recommendations for a source for new/rebuilt pumps, please. Thanks. (o{}o) Link to comment Share on other sites More sharing options...
Mike Sal Posted June 10, 2016 Report Share Posted June 10, 2016 Always go for the new manufactured ones (w/ ribs). They have an improved pump seal that the originals didn't have. Original pumps (and rebuilt originals) use the body casting as one half of the seal. The seal cartridge has a molded carbon/phenolic ring which rubs against a polished surface of the pump body. Over time, corrosion attacks the cast iron surface & the "rust texture" starts to erode the phenolic ring, creating a leak path. This is particularly harmful to vehicles which do not get started or used much. The newer seals are self contained & have their own pair of sealing rings which are not as susceptible to corrosion. Mike Sal (24 years water pump engineer) Link to comment Share on other sites More sharing options...
PackardV8 Posted June 10, 2016 Report Share Posted June 10, 2016 Pretty much all the Stude vendors buy their pumps from the same source, so price and service are the only variables. jack vines Link to comment Share on other sites More sharing options...
JWL1940 Posted June 11, 2016 Author Report Share Posted June 11, 2016 Thanks, located a reproduction Avanti type heavy duty pump from Nostalgic. It is supposed to have the new type seals and body ridges. (o{}o) Link to comment Share on other sites More sharing options...
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