Quote:
Originally Posted by 2forme
I think Don @ AP has been running his turbo kit to 9000RPM regularly... I haven't heard of him modifying the stock pump at all....
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But to be honest, his car doesn't see long periods at that rpm. Drag racing can cause water pump cavitation too, but you may not see it because of the short burst of speed. Holding that engine at over 7000rpm for extended periods will show cavitation, but you won't necessarily see that in drag racing conditions.