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

electric waterpump

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Old Oct 10, 2006 | 12:01 AM
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Default electric waterpump
I have a 95 Z28 and its my DD is it ok or a bad idea to put a electric waterpump on.....
thanks
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Old Oct 10, 2006 | 12:46 AM
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no one
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Old Oct 10, 2006 | 12:47 AM
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ya do it they have a life span of 2800 hours or so thats 3 hours a day for the next 3-4 years i think?
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Old Oct 10, 2006 | 10:19 AM
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My CSI pump has been on mine for 4 years and 50,000 miles, no problems so far, but I do carry a spare with me.
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Old Oct 10, 2006 | 01:27 PM
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I cant think of any reason for not changing it
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Old Oct 11, 2006 | 02:02 AM
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so it is a good idea... which one do you guys have....
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Old Oct 11, 2006 | 02:58 AM
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CSR is pretty nice unit...you have to modify the wp to fit it on takes 10min... if you have a die grinder
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Old Oct 11, 2006 | 06:26 AM
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I have a Meziere and installed it with the Painless wiring kit...Been on for a year and works well. You have to trim the fan shroud a hair to clear the pump. It does run much cooler at idle and in traffic, but I've noticed a slight increase in temp while at cruise, which is probably because the EWP runs at a constant speed regardless of engine rpm...Before and after dyno #s on my car with a Mustang Dyno revealed 9-10 rwhp across the entire tested rpm range...Its a good mod imho...

--Alan
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Old Oct 11, 2006 | 10:43 AM
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Originally Posted by ABA383
I have a Meziere and installed it with the Painless wiring kit...Been on for a year and works well. You have to trim the fan shroud a hair to clear the pump. It does run much cooler at idle and in traffic, but I've noticed a slight increase in temp while at cruise, which is probably because the EWP runs at a constant speed regardless of engine rpm...Before and after dyno #s on my car with a Mustang Dyno revealed 9-10 rwhp across the entire tested rpm range...Its a good mod imho...

--Alan

yup, the EWP flows more at idle than the mechincal, but less at higher rpms.


didn't know painless made a kit for the electric water pump?
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Old Oct 11, 2006 | 10:49 AM
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From: Hockessin, De
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I also have the Meziere EWP and used the painless wiring harness kit and love it. And trimming the fan shroud is a sinch
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Old Oct 11, 2006 | 12:34 PM
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Originally Posted by BlazerINtheWork
yup, the EWP flows more at idle than the mechincal, but less at higher rpms.


didn't know painless made a kit for the electric water pump?
Yep, its around $25, but its got all the wiring you need, including a circuit breaker and a relay...

--Alan
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Old Oct 11, 2006 | 01:47 PM
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sweet, mind if i ask where you got it from? $25 isn't bad at all, i've delt with painless before, and they're worth every penny.
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Old Oct 11, 2006 | 02:53 PM
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I too would like to know where you got it from....
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Old Oct 11, 2006 | 06:52 PM
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I got mine from Summit
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Old Oct 11, 2006 | 09:40 PM
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Originally Posted by ToxicFormula
I got mine from Summit
x2 ^^^

--Alan
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Old May 17, 2007 | 03:32 AM
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wow, this is old...maybe I'll get a response anyway. Does anyone have a part number for this painless ewp wiring kit?
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Old May 17, 2007 | 09:51 AM
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http://store.summitracing.com/egnsea...s=false&N=+115
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Old May 17, 2007 | 09:58 AM
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good thread to bring back i was wonderign ab the electric wp's on dd's also.
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Old May 17, 2007 | 04:27 PM
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Thanks BlazerINtheWORK. Also, does anyone have experience with the meziere heavy duty ewp (the 50 gpm model)? The description on the thunder racing website says it requires modification to make it fit. How much modification and what all is involved to make it fit?
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Old May 17, 2007 | 06:21 PM
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For anybody that has the AIR pump removed, you can wire the ewp through the AIR relay and fuse. Thats how I have mine wired works great.
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