Composite or metal water pump impellers?

[itskenallen]

Originally Posted by 78F350

I'll be scrapping the engine that this pump came out of, or selling it cheap to someone who wants to part it or rebuild. Pieces of the composite impeller are somewhere in the engine and not coming out. Driven hard, it dumps coolant, then overheats (The cooling system has been replaced/tested).

Metal or composite? I don't care. Replace them about every 3 years and they should be fine. Wait 'till a failure and you can get bad results with either.

Pierburg makes good pumps, so does Geba, most forum members who are into this stuff will recommend the Pierburg.


https://rennlist.com/forums/996-forum/666866-update-thoughts-on-preventative-water-pump-replacement-79k-my-03-a.html#post9051269

Use gt3 water pump with metal impeller?

Thanks for this.. Some good info there.

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