Does electric water pump save power?
Race Director
Joined: May 2001
Posts: 14,165
Likes: 9
Originally Posted by 2FST4U:
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Are you calling us all morons or am I just taking this wrong?!?!
Not much honey in your posts...lot of vinegar though.
JMHO,
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Just for daisyrock, here's how I wired mine.
[img]http]//24.17.202.123/wiring.gif[/img]
The way this works, it comes on when the key is in run, but not on accessory. This way you can still maintain the benefit of accessory without draining your battery due to the pump, yet you CAN run the pump without the engine running if you are at the track. Hope it helps.
Pro
Joined: Jun 2001
Posts: 697
Likes: 0
From: College Station Tx
Originally Posted by Denny McLain:
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Now theory is fine, but please, please, please I ain’t that smart. Has anyone actually used one in hot weather with a hot running motor and how did it fare against the stock pump? What are the tricks to install?
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I have heard of one person's pump going out - and meziere actually sent him a new one (no charge) - which they are under no obligation to do, so I surmise it is an infrequent thing?
Pro
Joined: Jun 2001
Posts: 697
Likes: 0
From: College Station Tx
With a motor like yours, 8-10hp is nice at the track somewhat and at the dyno, but honestly it's getting pretty close to irrelevant for just pure enjoyment sake. But for what you have invested in your motor, etc. I would definitley do it for the double roller conversion to protect your investment - esp. with the rpm's a solid roller can potentially turn.
I rigged up a warning light that triggers when the pump stops drawing current (dies) but haven't had the opportunity to use it - that should be some peace of mind. Really though as far as cooling is concerned - well, the pump isn't a big deal labor wise, why not just do it, and then test it out. If you end up not liking it you could still sell the pump to someone else easily, and swap out for their stocker/reman'd from A-zone.
Pro
Joined: Dec 1999
Posts: 559
Likes: 17
From: Coppell TX
The elec pump actually cools better than a mechanical.. more so at low RPM
There is more room for failure with an electric pump.. that is the only down side. relays can go bad, wires can come undone, etc etc etc.
There is more room for failure with an electric pump.. that is the only down side. relays can go bad, wires can come undone, etc etc etc.
