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Electric Power Steering Pump Conversion For Rb Engine

9krpm

By 9krpm,
in Engines & Forced Induction

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Acrula Rookie

Acrula

Posted
Posted
On 30.4.2017 at 11:59 AM, aleks said:

Acrula, which pump do you think is heavier the nissan one or the A-class? what car do you have? any pictures of where you mounted it?

I've weighed an rb26 pump and I think it was 2kgs, just the pump no belt, bracket or lines but I will double check.

I'm thinking of sneaking one in under the starter motor, even if it weight is close to the same, having it lower and further back would be nice.

Think I might head down to a wrecker and ask them if I can look at and weigh every type of electric pump they have.

Hi there! I am not sure wich is heavier, atleast the R32 one would be abit of a heavy lump compared to the R33 P/S pump for example.

I would say this one is a tad lighter or close to stock weight. The car I have is R32 GT-R. I have mounted it near the stock location, since this was a quick fix and another belt driven pump wasnt easy to get. I will relocate it and "hide" it later, I thought about the boot, but unsure about pressure loss. If not, maybe between radiator and intercooler in a corner?

With the stock location I could use the stock piping bolt-on the pump, then it just need 12v. The steering rack itself adjust rack pressure so it get stiffer at higher speeds.

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18471895_10158614514275537_640121798_o.jpg

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Acrula
Acrula

Hi, my stock belt driven P/S pump got a ripped hose under driving, the pump failed quickly as a result of that. So, since it was hard and expensive to get a new pump here in Norway, I found a ele

Acrula
Acrula

Hi there! I am not sure wich is heavier, atleast the R32 one would be abit of a heavy lump compared to the R33 P/S pump for example. I would say this one is a tad lighter or close to stock weight

sneakey pete
sneakey pete

Funnily enough i got my car out to the track* for the first time with the pump today. No complaints! No idea about current but i've got twin walbros and this added to the mix of the normal system an

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aleks Community Regular

aleks

Posted
Posted

So the standard pump, belt, bracket and bolts weighs 4kgs. The lines and reservior are probably another two kilos plus the extra power steer fluid if you can mount the pump closer to the rack.

I got my hands on an mrs power steering pump and they weigh 4.6kgs.

I think it can be done weight neutral. maybe even less weight and off the front the car if I can fit it under the starter motor.

  • 2 months later...
sneakey pete Grand Master

sneakey pete

Posted
Posted

Funnily enough i got my car out to the track* for the first time with the pump today. No complaints!
No idea about current but i've got twin walbros and this added to the mix of the normal system and no issues that I can see. Throw in twin thermos and maybe?
Might have to see if i can get a current draw measuremnet taken some time during use.
 

Mounted it under battery tray using astra mount with flat bar welded to create 3 points of attachment.
Pass lines through old BoV vacum feed enlarged. Run down chassis rail past steering column to rack. Feed is -6 200 series line, return is just to barb with 3/8th or some size hose. Used exactly 1m of hose for return, feed was probably about that long.

One of the rack fittings and the one in the PS pump are one size, one is one size smaller, any Speedflow/aeroflow etc bump fitting should do the trick. Used a local brand though did have leaks, re did them using some thread sealant and no issues since.

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P1150627.thumb.JPG.560b36c1c1dfa6b0e275f5f190a412d3.JPG

 

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*track being happylaps at lakeside, though I did get in a few 70-80% attack corners here and there

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sneakey pete Grand Master

sneakey pete

Posted
Posted

earth and power to battery post, both of the control circuits to ign. there's also a fuse in there. 
Apparently both of the control wires do different things and i'll probabyl sort it out using one so it only turns on when engine is actually running unless i flick a switch

sneakey pete Grand Master

sneakey pete

Posted
Posted

Known as 'bump fittings', pretty sure it was 1x 8m and 2x 10mm but you'd need to google up some info about it. Search for skyline rack fitting size or similar.

 

Still running a stock alternator with all this extra electrical load, Pete? 

Be interesting to see a voltage log.

for what its worth with the second fuel pump going now i'm seeing voltage drop now so will need an ARD unit or something at some point

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