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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

electric water pump?

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Old Feb 27, 2008 | 10:45 PM
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Default electric water pump?
any of you guys daily drive your car with ewp and have u had any problems with them just need to know before i order one. thanks.
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Old Feb 28, 2008 | 02:52 AM
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I got a CSR unit on mine and have had no problems whatsoever. Just get the painless electric water pump relay kit and you should be fine. You should make it a habit to always check your gauges anyways and you will be fine.
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Old Feb 28, 2008 | 03:19 AM
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I've been DDing my Mezierefor 2 years with no issues at all. (30K miles)
Wire it up with proper sized wire and a relay and you're good to go.
(leads to power and relay should be at least the same gauge as the wire that comes with the pump)
I think it was 12ga ... I'll have to look in the morning.

I've seen guys melt wires down because they tried to skimp by with 18ga wire.
6A will melt that **** real fast. LOL
Last edited by James Montigny; Feb 28, 2008 at 06:31 AM.
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Old Feb 28, 2008 | 06:13 AM
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I've had one for many years with No problems.
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Old Feb 28, 2008 | 06:21 AM
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Meziere also for about 20,000 miles. 14 gauge wire is plenty. I think it comes with 16 gauge.
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Old Feb 28, 2008 | 11:17 AM
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is the performance gain really 20 hp like i have read?
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Old Feb 28, 2008 | 11:26 AM
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MEZ HD for a couple of years no problems. I don't believe your going to get a 20rwhp gain. But you will get at least 6 rwhp and you can use double roller timing sets (reason I went ewp)
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Old Feb 28, 2008 | 11:27 AM
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Love mine...more hp and better flow. No problems. My buddy has one too and it's ran flawless.
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Old Feb 28, 2008 | 11:50 AM
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Originally Posted by maroon88iroc
is the performance gain really 20 hp like i have read?
5-7 maybe, 20 seems a little high.
Easy install, relatively inexpensive way to gain .05 in the 1/4
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Old Feb 28, 2008 | 12:10 PM
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I think they have dynoed a 10Hp/10 lb tq increase
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Old Feb 28, 2008 | 12:18 PM
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Originally Posted by iceman15
I think they have dynoed a 10Hp/10 lb tq increase
6.2 / 5.2 is the only dyno I've seen published.
http://www.ws6.com/mod-14.htm

EDIT: I take that back
9.6 / 10.7 on Kelly's page
http://www.ws6.com/kelley-wp.htm

Might be even more for cars revving towards 7k
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Old Feb 28, 2008 | 12:18 PM
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It's about a 8-10 hp gain...wish it was 20
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Old Feb 28, 2008 | 12:20 PM
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would there be any problem with running an ewp with underdrive pullies at idle?
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Old Feb 28, 2008 | 12:27 PM
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Originally Posted by Renegade87
would there be any problem with running an ewp with underdrive pullies at idle?
nope..I put the march pulley set on at the same time..it's dope
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Old Feb 28, 2008 | 05:38 PM
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Originally Posted by ROWDYZ28
nope..I put the march pulley set on at the same time..it's dope
+1 CSR ewp here for two years and hypertech pulley without any problem.
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Old Feb 28, 2008 | 05:45 PM
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Originally Posted by balzyz28
Love mine...more hp and better flow. No problems. My buddy has one too and it's ran flawless.
The electrics free up HP by flowing LESS, simple science, a third grader could grasp.


The mechanical uses about 11hp at 6000rpms, so your gains have to be less than that.
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Old Feb 28, 2008 | 06:56 PM
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Originally Posted by 96capricemgr
The electrics free up HP by flowing LESS, simple science, a third grader could grasp.


The mechanical uses about 11hp at 6000rpms, so your gains have to be less than that.
You must know it all huh?
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Old Feb 28, 2008 | 06:59 PM
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I've seen that the mec will outflow an elec at high rpm.
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Old Feb 28, 2008 | 07:07 PM
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Originally Posted by balzyz28
You must know it all huh?
If you think I am wrong please explain why, and how it is possible?
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Old Feb 28, 2008 | 07:10 PM
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the mech will flow more at high rpm, the electric will flow more at idle.

the electric will have a constant flow rate, whereas the mechanical will vary with rpm.

not hard to understand really.
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