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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 02-19-2010, 02:15 AM   #1
Gabriel82
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Default Waterpump Warnings

So I am getting my engine rebuilt by Lucky7 soon. Since my engine is going to be fresh with 0 miles I want to have a new waterpump on that bad boy. So my question is are there any water pumps I should stay away from? or are there any people recommend. I just want a stock one that serves its purpose with my Koyo radiator and stock mazda thermostat.






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Old 02-19-2010, 01:05 PM   #2
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Just make sure you buy a 'new' water pump, not a reman.

I've heard great things about Beck/Arnley
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Old 02-19-2010, 02:31 PM   #3
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If you're talking "better" in terms of pump performance

Mazmart.........but its for the FD. And its, as far as I know, the only "highflow" replacement pump outside of an electric unit.

But just because its for an FD doesn't mean there's no FC's around with them on......
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Old 02-19-2010, 02:59 PM   #4
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how would you modify it to fit an FC pump housing?
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Old 02-19-2010, 05:37 PM   #5
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I guess I am just going to go with a new water-pump. I just need it to do its job and pump hahahah.
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Old 02-19-2010, 06:42 PM   #6
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how would you modify it to fit an FC pump housing?
Those crazy Canadians. I think classic has some crazy engine in his FC. That's how they roll in the arctic!
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Old 02-19-2010, 06:44 PM   #7
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hahahaha
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Old 02-19-2010, 07:57 PM   #8
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Just make sure you buy a 'new' water pump, not a reman.
Whats wrong with getting a reman?
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Old 02-19-2010, 08:08 PM   #9
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Joe is using the REW WP housing. The front cover too. Not too sure if the WP housing will work with an FC front cover though.
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Old 02-19-2010, 08:35 PM   #10
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I have the stock (read: 24 years old) radiator and water pump on my car and have never had a problem with them. My only cooling issue came up when I needed the thermostat replaced. Once I did that, she was fine.

Take that as you want.
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Old 02-19-2010, 10:54 PM   #11
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Waterpumps have a "Weep" hole in them. Once the water pump seal starts leaking, coolant slowly drips out that hole. This is how you can check if your water pump is bad.
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Old 02-20-2010, 01:28 AM   #12
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I was in a jam and bought a WP from my local jobber, installed it, tightened the belt, started it up and three things happened, it sounded like I killed a cat, chewed the belt to hell, and royally pissed me off. The impeller wasn't pressed in tight enough and it jammed on the housing.

The day I was supposed to leave for Deals some assholes at Hank Mays GoodYear in Stamford CT overheated my engine while doing an emmisions test, as in 265* water and oil temps. Not only did the kill the WP, the warped the front cover, warped the TB, popped the oil feed line, and broke a rear side side seal. In a jam again I bought a waterpump from a different jobber, that one held up fine and is still doing just fine. I was going to buy a MazMart pump, but my temps are about 170* on the highway.... so yeah.
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I'm pure Evil
I'm still insane, in the best possible way.
I think Brian's idea of romance is using lube.
Your rage caused the meteor strike in Russia. The Antichrist would be proud of his minion.
You win with your thread. Most everything
It's a truck with a steel gate on the back. Just a statement of fact

Motec M820, AIM dash, ported 13B-RE Cosmo, 6-spd trans, 4.3 Torsen, custom twin wg fully divided mani, Custom 4" split into 2x 3" exhaust, Custom HMIC, Custom custom custom custom I like to welder stuff....
No Bolt-ons allowed. Dyno'ed @ Speed1 Tuned by me - 405rwhp on WG.... WM50 cuming soon.
-Angry Motherf*cker Mode ENGAGED-
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