04-11-2014, 06:46 PM
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#32
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Senior Member
Join Date: May 2010
Location: Daytona Beach, Fl & Spencer, W. Va,
Posts: 4,449
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Re: Water pump rebuilds
GM .........................
Most of these engines still have foundry sand in them, from day one.
I don't believe it is possible to have perfectly clean internals, in the cooling system.
When my mishap happened, it was not too long since I had given my engine the vinegar treatment.
It doesn't take much to clog that small opening.
MIKE  (mikeburch)
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