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Author Topic: Cooling Water Pump  (Read 1383 times)

Offline smblocksteve

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Cooling Water Pump
« on: February 22, 2018, 09:57:39 AM »
   Hey Guys,
I'm redoing my cooling system and I would like to know if I should run an 6 vane water pump or an 8 vane? The engine is stock- a rebuild 305 030 over. The engine I hope will be out of there this yr.
and a 383 going in.
      Thanks
   smblocksteve
« Last Edit: February 23, 2018, 08:42:15 AM by smblocksteve »
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Offline 75gmck25

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  • 1975 GMC K25 Camper Special, 350/TH350/NP203
Re: Cooling Water Pump
« Reply #1 on: March 09, 2018, 03:27:19 PM »
I used a Stewart Stage One high flow iron water pump, since it was high flow and not much more than a stock pump.  I never saw any specs on the number of vanes, but the pump seems to work really well.

Bruce
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