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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 12-25-2006, 11:49 PM   #1
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Default electric water pump

anyone seen one or have any idea where to start looking for one to fit the GXP i would really like to use one free up some ponies
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Old 12-25-2006, 11:53 PM   #2
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Please don't post Performance topics in the Mechanical sections of the Forum.

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Bonneville GXP/ Northstar Powered Cars

Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8'*. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Moving to Performance and Brainstorming.
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Old 12-26-2006, 12:48 AM   #3
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Default Re: electric water pump

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Originally Posted by ReallyAGXP
anyone seen one or have any idea where to start looking for one to fit the GXP i would really like to use one free up some ponies

I don't believe anyone makes a specific one for that engine, however you could get an adaptor plate made and use a generic pump that any electric water pump producer has.

Although I think I'd do quite a few other things before getting an electric water pump.
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Old 12-26-2006, 12:50 AM   #4
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And you'll have to figure out some custom method of bypassing that pulley on your serpentine path.

The gain isn't worth the cost and effort as a first mod. There are cheaper and easier methods of improving performance before you get to that point (to some extent).

The basics work. Intake and exhaust. Other than that, there isn't much aftermarket for the Northstar.
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Old 12-27-2006, 12:01 PM   #5
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well it'* all getting done at the same time new fans, electric water pump and ac compressor.

since it might be easier to pull the northstar to add on the the sts remote turbo (since they left no room) also ported and polished STS heads. aswell as a nitrous set up not that im building a race car as much as lets put it together and see how it does and show it off.

so maybe i should have put it all out like that but in my original post was just looking for other GXP/Northstar owners to put in.

thanks
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Old 12-28-2006, 11:38 AM   #6
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I wonder if a inline pump added to the existing one would be of benefit. Or if the pressure of the OEM would effect it. ZEX makes an inline high pressure fuel pump that isnt effected by the other one. I wouldnt definatly want more water flow if you turbo, R A GXP. You really want to keep this all aluminum engine with head bolt issues cool. I am exited and attentive to how your build goes Man. I am weary about porting and polishing known porous cast aluminum. As well head warpage on stock N* heads is very common. Especially older STS heads before squeeze cast technology.
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Old 12-28-2006, 02:21 PM   #7
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well seriously im looking for STS heads to be put on the flow bench also trying to locate a set of OEM heads from our car.

we'll see but like i said im not building it to be anything more to me then what it already is but it would be nice to smoke what ever rice i wanted lol
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