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Old Nov 29, 2017 | 06:08 PM
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Default Water pump.
Is it worth putting a high flow water pump on my 383S. I have one in a box brand new. Will it make a big difference?
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Old Nov 29, 2017 | 06:14 PM
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If the car is running hot it will help.
If the car is not, save it for when the old one dies.
My 2 cents.
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Old Nov 29, 2017 | 06:29 PM
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Okay thanks. That makes sense.
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Old Nov 29, 2017 | 10:42 PM
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I'd add one more scenario: If you plan to run an underdrive crank pulley, a high flow water pump can help maintain the same cooling ability as a "normal" water pump when the water pump is underdriven and with less parasitic drag.



Adam
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Old Nov 29, 2017 | 11:10 PM
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Hey Anam. I don't really understand the mechanics of what your saying. So are you suggesting that I put it on?


John
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Old Nov 29, 2017 | 11:21 PM
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Originally Posted by jhopper408
Hey Anam. I don't really understand the mechanics of what your saying. So are you suggesting that I put it on?


John
http://www.hotrod.com/articles/hrdp-...ps-suck-power/

I didn't understand that you already had the high flow water pump.

If you don't have a heat problem, a high flow pump won't fix anything but it WILL steal more HP. If you swap to an underdriven crank pulley you get good cooling and less parasitic power loss (slightly more parasitic loss than an electric pump but without the reliability issues with an electric pump).


Bottom-line: IMO, high flow pump without an underdrive crank pulley not usually a good idea, with one, a great idea.


Adam
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Old Nov 29, 2017 | 11:37 PM
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Thanks Adam. Thats exactly what I wanted to hear. Now it makes sense. Thank you! Sure don't want to lose HP.
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Old Nov 30, 2017 | 12:29 PM
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Just to add another perspective - I have a LOW flow, Moroso, aluminum water pump on my 383 with no cooling problems.
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Old Nov 30, 2017 | 12:52 PM
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That sounds even better. Thanks!
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Old Nov 30, 2017 | 02:35 PM
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For MOST applications, a standard flow pump will be fine for your Chevy V8 engine.
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Old Nov 30, 2017 | 03:59 PM
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Thanks. Stock one will stay on!
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