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Old 02-26-2010, 08:36 PM   #21
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same thing happened to me... and it was OEM.
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Old 02-26-2010, 09:02 PM   #22
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Quote:
Originally Posted by JasonC SBB View Post
Do V8 pukes use these electric pumps for track days or just for dragstrip passes?

Adding a restrictor to an electric water pump is the wrong thing to do. (Pls. don't bring up the old wives' tale about "flow too fast not enough time in the radiator" )

The right thing to do is to vary its voltage with coolant temp.
See linked thread.
It maybe a wives tale, but without a thermostat it ciruclates too violently for my taste. It blows water all over the place if you pull the cap. With a thermostat or restrictor it flows like stock. I have a gutted thermostat as a restrictor.

I thought that it would be cool to control it with a rheostat, but I really do not think it is that neccesary. While monitoring the gauge, I switch the pump on and off until it is at operating temp. Pretty effective so far.

In the end, it is pretty tempting to try to control it with some fancy electronics I must say.

Something else to note: On a hot day, it is great to have an electric water pump and fans on to cool the car down in a hurry between rounds at the drag strip.

Last edited by miata2fast; 02-27-2010 at 12:50 AM.
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Old 02-26-2010, 09:08 PM   #23
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Not a rheostat man, that's 30's technology. A PWM electronic motor controller.

You don't think the stock water pump won't blow water out the filler cap at 6000 engine RPM?
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Old 03-01-2010, 01:16 AM   #24
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k since my pump has started to go out my charge light has been going off and on

i'm pretty sure thats just the anti-freeze all over the alternator and shorting it out some where

but now my air bag light has started flashing would that just be an indicator that my alternator isn't charging enough or would it be a sensor going out?
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Old 03-01-2010, 01:18 AM   #25
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Probably a separate issue.
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Old 03-01-2010, 01:20 AM   #26
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Probably a separate issue.
any ideas as to what it could be?
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Old 03-01-2010, 01:24 AM   #27
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How's your belt? Old, new? Tight, loose? Check the big plug on top of the alternator, although if that was off the charge light would be on constantly.
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Old 03-01-2010, 01:29 AM   #28
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the belts are going to be shot no matter what due to the anti-freeze being sprayed everywhere and i'll check the connection on the alternator first thing.

would that still cause the air bag warning flash?
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