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Old 01-02-2018, 07:11 PM
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Water pump- Hi flow

I'm new at Forums. I hope I'm doing this right.
I have a 66 mustang coupe with a 347 stroker. I used a FlowKooler water pump. Twice the inner back plate gasket blew out. I wanted to know if anyone has had the same problem. The company says they have not heard of this. I don't want to use this anymore. Looking for a different high flow pump.
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Old 01-02-2018, 08:31 PM
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Bolts not tight?
Threads damaged?
Sealing rib flattened?
Casting warpage?

I like the Stewart Racing pump personally.
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Old 01-03-2018, 10:36 AM
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Do you have a heater core plumbed in? The heater core acts as a bypass when the thermostat is closed and engine is cold. If you don't have a heater, put in a loop of heater hose to act as a bypass.
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Old 01-03-2018, 05:01 PM
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Quote:
Originally Posted by VICTORYbob1966! View Post
I'm new at Forums. I hope I'm doing this right.
I have a 66 mustang coupe with a 347 stroker. I used a FlowKooler water pump. Twice the inner back plate gasket blew out. I wanted to know if anyone has had the same problem. The company says they have not heard of this. I don't want to use this anymore. Looking for a different high flow pump.
Just use a standard Ford pump, the concept these aftermarket people use of more flow is better is non-sense. The only thing doubling the flow does is to increase the pressure at the pump's outlet to the block. The block can only flow so much no matter how much pressure the pump puts on it. The factory puts a lot of time on this subject, and factory pumps already have more capacity than the engine can use.

If you're experiencing cooling issues with ahotrodbuild and a stock pump the first place to look is the radiator, then airflow through the core. The solutions to this are not found at the place you went to.

Bogie
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Old 01-03-2018, 08:56 PM
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Race it, Don't rice it!
 
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The idea is flow creates turbulance and reduces the boundary layer to help with heat transfer.

I'm sure you have heard that before but just throwing it out there.
I will agree that a pump won't fix everything. It's a system and the combination of parts make it work.
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Old 01-03-2018, 09:51 PM
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Here's a link that includes some interesting comparisons of installed water pumps with temp data... Cooling the Sunbeam Tigerby Tiger Tom and Chuck King - Tigers East/Alpines East

Grant
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Old 01-04-2018, 08:17 AM
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High flow pumps can have their uses, but I tend to only think of them as needed with underdrive pulleys. Lets you spin the pump slower without worrying about insufficient flow.
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Old 03-19-2018, 07:15 PM
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Ran into this 20 yr ago. Insufficient bypass when the thermostat is closed caused the blowout. The guy was starting up on a room temp engine and rapping it to 6000 showing off. Blew it out 3 times. Finally pulled the thermostat because he wouldnt change his ways.
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