Pulley Diameters

mbaird said

I have to say that I am surprised that overdriving the pump would have made that much difference.

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Me TOO!! But it does make sense...

mbaird said

This was a great experiment and a great learning excersize!

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There was enough improvement with the 1st change--water pump pulley only that it made sense to overdrive the water pump & fan additionally with the 2nd crank pulley change.

Thanks for your input. :)