electric water pump

[overlap]

HELLO,
is anyone running high horsepower and useing an electric water pump?( CSI or MAGUIRES)
is it working good for you with the long coolant pipeing run?
if so is it 35gpm or 55gpm ?

[Stig]

Ran a Davies Craig pump.

Made no difference really and then seized after about 2 hours use!

Concern was that whilst giving good idle flow, it was more restrictive than the mechanical pump at higher rpm.

So I ditched it.

[gtrclive]

I shall be running a CSI pump on my next car, all reports I have had are good, well worth the money, and they do every replacment part, so you can strip it down and replace the mechanical Seal, or just the motor etc. I will be carrying a Spare Motor unit when I do long trips, but that just me being over carful..
Lets face it better for traffic jams, turn off engine and keep the pump running for 2 Minutes. Also full flow on tickover helps while ordinary pump is strugelling to pump enough, for those hot days.

[overlap]

one positive one negative , hmmmm!
anyone else have any input?

[steve_D]

Dwayne
Why do you think you want/need one?
From my time on the Chevytalk forum I have seen very little about electric pumps so they are not a 'must have' for the chevy engine.
It seems to me that they may help at idle in trafic but hinder when on the run.
If you are concerned about engine bay temp. on a GTR then I think money will be better spent with heat reducing measures like header coatings.
Steve

[adequatespeed]

I have the CSI pump. It is a nice piece of kit and works very well.

The bigest problem with the ultima is the inadequate standard radiator. Money would be best spend on a ALi rad or the 5 row rad option formthe factory.