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I know that bosch makes a water pump suitable for an rb20/35/26/30 so they are all the same in design... However i believe the flow rate would be different from a stock item....

But yeah they do all fit each other.... Its only the oil pump that is different...

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No it is not the same, but you can use the rb30 water pump.

It has less blades so it flows less coolant at a given revs. Which means you get the similar effect as the N1 water pump at about 20% of the price :)

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Thanks guys!

I got a price on both water pumps:

R32 GTR water pump $325

VL Turbo water pump $126

I might save myself any hassle and get the R32GTR pump. Massive price difference though!

From my experiences the only different one is the rb25 pump.\

If I were you I'd just get the holden one - mind you that is a pretty expensive price you've got there - I'd look a bit harder.

Cheers

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Nissan, i just checked my invoice $120.39+ gst =132.43 , well thats close to $130 but thats trade price , about $150 including gst retail .

If you want one and you cant get trade give me a p.m. and i can order one for you .

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There is a mounting hole different between the rb20 and 25 pumps, the small one to the top right of the impeller when looking from the front is in a slightly different position.

The N1 pump has an elongated hole so fits both.

I also picked up my last genuine pump (for an rb20) for about $130.

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davies craig are certainlly electric....

All they make are pumps and fans...

I heard they are "no good" on RB26's by a workshop here in Melbourne. I was pretty keen on running an electric water pump as I have read that you would be able to gain as much as 15kw at the rears.

Anyone use these pumps on RB26?

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a water pump is a water pump. it has a pretty basic job to perform. :P i cannot see how one pump will be "no good" for a particular engine. did they give you any reasons or anybody else heard this?

from memory the davies craig pump itself is <$200 and there's a EWP controller that allows you to set engine temps (through flow rate of the pump) and keep the water pump running after engine shut-off to assist in cooling everything down.

i've yet to hear bad things about the thing...

d

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if your electrics fail your car will not run either, so the no pump wont be such a problem. lol.

but i agree if the wiring was faulty just for the pump it could be a problem, but a simple warning buzzer could be incorporated.

I must say i have heard people say to stay away from them too, but i've never heard it backed up. I'd love to know why there is such a fear of using them on GTRs.

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i didn't have any problems whatsoever on my gtst with the ewp. i was very impressed with it. and i've yet to hear about one failing. i'd love to hear any problems people have had tho!

and re: the electrics. if you install ANYTHING dodgily on a car you're gonna have headaches. it isn't hard to wire one of these suckers up, nor is it hard for anyone with a head on their shoulders to make the wiring reliable.

d

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and re: the electrics. if you install ANYTHING dodgily on a car you're gonna have headaches. it isn't hard to wire one of these suckers up, nor is it hard for anyone with a head on their shoulders to make the wiring reliable.

mmmmmmmm My thoughts exactly! I'm really keen on going with the electric water pump. In two minds now. What do I do? Pay $325 for a new GTR water pump or a little over $200 for an electric water pump? :)

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