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73-87 Chevy _ GMC Trucks => 73-87 Chevy & GMC Trucks => Topic started by: smblocksteve on February 22, 2018, 09:57:39 am

Title: Cooling Water Pump
Post by: smblocksteve 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

Title: Re: Cooling Water Pump
Post by: 75gmck25 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