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FFCobra Craftsman
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Discussion Starter · #1 ·
Does anyone have any specs on the coolant flow that it takes to cool a 302/351? I've been researching electric water pumps and see quoted rates all the way from 35 to 55 gpm. If 35 gpm would cool it sufficiently, then 55 gpm would seem to be unnecessary, even detrimental to the pump, trying to pump 55 gpm through a system restricted to something less.
The application I'm thinking of would be a 351W/350HP in a street driven Daytona Coupe.
If anyone has any experience they'd like to share, I'd appreciate it.
Thanks,
 

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This will be an interesting thread...

Anecdotally, Doug Meldrum says his 302 stays about 10degs cooler using Mike Everson's radiator panel.

ROADSTER RADIATOR ALUMINUM PANEL
 

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If you take a look here:

http://www.stewartcomponents.com/catalogs/stewart_catalog.pdf

on page 15 of that catalog you will notice that the flow rates for belt driven water pumps are in the 140-160 GPM range at full tilt. Comparing a good belt driven water pump to an electric pump is apples to oranges. The electrics simply can't touch them.

Not saying it won't work for you and your particular application, but if you are doing anything high performance and will be running at the higher output levels consistently, then the electric pump probably won't cut it.
 

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If you take a look here:

http://www.stewartcomponents.com/catalogs/stewart_catalog.pdf

on page 15 of that catalog you will notice that the flow rates for belt driven water pumps are in the 140-160 GPM range at full tilt. Comparing a good belt driven water pump to an electric pump is apples to oranges. The electrics simply can't touch them.

Not saying it won't work for you and your particular application, but if you are doing anything high performance and will be running at the higher output levels consistently, then the electric pump probably won't cut it.
Thats BS. those figures are for fullout race ready pump on a race car, that has nothing to do with a stock water pump. That makes as much sense as comparing a full blown hemi to 4 cylinder.
 

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