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post #1 of 11 (permalink) Old 10-02-2006, 07:57 AM Thread Starter
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Which water pump?

I think my original water pump is going out on me.
The coolant level in the reservoir goes down every few days &
while I have not noticed/seen any leaks while the car is parked, I have smelled coolant.
I believe the water pump might be leaking the coolant from the "weep" hole.

Which water pump should I get?
Cobra? Bullitt? GT? Evans?

I have Windsor PI cylinder heads on the stock Romeo shortblock & '96 timing cover.
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post #2 of 11 (permalink) Old 10-02-2006, 08:10 AM
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I had to make the same call on my 96 grand marquis. I ended up going with the stock pump. From my understanding, the cobra pump was deisgned to help prevent cavitation at high engine rpm. The stock pump for my engine was designed to provide more flow at idle, ie for idling squad cars. Seeing as how my marquis ideld a bit more than running at high rpms, I went stock with no problems.
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post #3 of 11 (permalink) Old 10-02-2006, 08:22 AM
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For a ford pump, you want the long shaft, closed vane (early cobra, 99-mid-01 GT pump. You'll want the long pump to keep your current pump pulley. The closed vane pump is more efficient.

As for the Evan's pump, JL apparently uses one and has recommended it to a number of people. Kinda expensive though, I found a price of $170 (about 2.5 times more than a stock pump).




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Last edited by GreenBird; 10-02-2006 at 08:29 AM.
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post #4 of 11 (permalink) Old 10-02-2006, 06:31 PM
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The Meziere electric pump is yet another option, but it isn't super cheap. I'm very happy with mine.

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post #5 of 11 (permalink) Old 10-02-2006, 08:38 PM
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Yea, my pump is going out as well. So how many and what are the choices for stock ford pumps?

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post #6 of 11 (permalink) Old 10-02-2006, 09:09 PM
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everything 4.6 now is a closed vane pump. Even the explorer. If you want to save money, I new one from autozone is only 40$. OEM is about twice that....




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post #7 of 11 (permalink) Old 10-02-2006, 09:09 PM
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Quote:
Originally Posted by GreenBird
For a ford pump, you want the long shaft, closed vane (early cobra, 99-mid-01 GT pump. You'll want the long pump to keep your current pump pulley. The closed vane pump is more efficient.

As for the Evan's pump, JL apparently uses one and has recommended it to a number of people. Kinda expensive though, I found a price of $170 (about 2.5 times more than a stock pump).

huhhuhuhuuh you said long shaft.




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post #8 of 11 (permalink) Old 10-03-2006, 12:18 AM
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Quote:
Originally Posted by David_viny
Yea, my pump is going out as well. So how many and what are the choices for stock ford pumps?
there are at least three, but you only care about one. Get one for a 99-00 GT. Maybe the price has gone up, but this spring I paid $65 for a brand new ford pump.




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post #9 of 11 (permalink) Old 10-03-2006, 10:24 PM
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Quote:
The Meziere electric pump is yet another option, but it isn't super cheap.
Ditto here.
The temp holds rock solid no mater where I go, or how I drive. Because it's not engine driven, there's no chance of cavitation. Just a nice, constant flow rate.

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post #10 of 11 (permalink) Old 10-06-2006, 07:49 PM
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I actually use the '99GT pump with the closed impeller.Might be switching to a Meizere electric in the future though.
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post #11 of 11 (permalink) Old 10-06-2006, 08:53 PM
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Quote:
Originally Posted by Johnny Langton
I actually use the '99GT pump with the closed impeller.Might be switching to a Meizere electric in the future though.
JL
I also have one in my 96 Mark, nice pice. Definetly a noticable difference.

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