Moroso water pump drive kits

I have the Moroso belt drive set-up.
For consideration...

The DC motor runs at 2800 RPM nominal
The motor has a 10 tooth drive cog belt pulley
The water pump has a 28 tooth cobg belt pulley
So.. the water pump turns at 1000 RPM

With that in mind I went with the 8 blade water pump, no restriction at the thermostat housing, a flow restrictor w/ 3/8" hole in the bypass hose.
I added an 'idler' to provide better contact of a couple of extra cog teeth engagement.

Seems good but the real test will be 'hot lapping' round robin style as that's what this car is built to do.

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