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Old 01-23-2012, 07:07 PM
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Mini Cooper power steering

This weekend I heard someone talking about using a Mini Cooper electrical power steering pump for steering on a Mustang 2 rack and pinion steering....I may be way behind on the latest mods, but I was wondering if anyone had heard of this or has done this modification

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Old 01-23-2012, 08:48 PM
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I think the problem with that idea is all about weight difference of the vehicles. I would also say longevity of the mini installed on the mustang II would be short lived because of the mass being moved.
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Old 10-17-2018, 09:00 PM
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The electric power steering pump used on the earlier Mini Coopers, had problems, resulting in some government recall action. I am sure there were/are many that are working just fine. As far as these pumps not being able to handle a heavier vehicle, the pump makes hydraulic pressure, and it doesn't know how heavy the vehicle is (be it greater or less than the donor vehicle. What does matter is the fluid volume required to operate the subject vehicle's power-steering box. If the hot rod's original power steering box needs five gallons per minute (gpm) and the mini's electric pump can only supply two gpm, the electric pump will fail to maintain a high enough pressure to operate properly. An auto parts rebuilder probably know the pressures and volumes of both the hot rod's original power steering pump and the possible replacement mini electric pump. Maybe some member here works for Cardo or a auto parts rebuilder?
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Old 10-18-2018, 02:13 AM
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Check out this from the archives: https://www.hotrodders.com/forum/35-...cs-454530.html If you don't want to the DIY route you could contact these folks for a bolt on kit. http://www.unisteer.com/unisteer-blo...teer-work.html
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Old 10-19-2018, 09:36 AM
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Direct drive a electric water pump motor to your mustang PS pump and lines.
Mount it on the inner fender, run a relay to it off the battery turning on at key on power with switch intrupt.

Bam electric power steering pump for around $100 that you can cut off on the highway. Could get real cool and have a GPS switch turn it off at xx mph.
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Old 10-19-2018, 10:13 AM
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Quote:
Originally Posted by cerial View Post
Direct drive a electric water pump motor to your mustang PS pump and lines.
Mount it on the inner fender, run a relay to it off the battery turning on at key on power with switch intrupt.

Bam electric power steering pump for around $100 that you can cut off on the highway. Could get real cool and have a GPS switch turn it off at xx mph.
That's interesting !
Thanks.


454 RATTLER
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Old 10-20-2018, 08:18 AM
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Quote:
Originally Posted by cerial View Post
Direct drive a electric water pump motor to your mustang PS pump and lines.
Mount it on the inner fender, run a relay to it off the battery turning on at key on power with switch intrupt.

Bam electric power steering pump for around $100 that you can cut off on the highway. Could get real cool and have a GPS switch turn it off at xx mph.
Seriously? Pretty sure there's NO automotive electric water pump in existence will put out the 1500 PSI required to drive a power rack. Besides the pump internals would have to be rated for PS fluid vs water. It's not April 1st, but I sure hope this is a joke...

Russ
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Old 10-20-2018, 08:29 AM
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https://www.summitracing.com/parts/mor-63750
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Old 10-20-2018, 10:53 AM
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Quote:
Originally Posted by S10xGN View Post
Seriously? Pretty sure there's NO automotive electric water pump in existence will put out the 1500 PSI required to drive a power rack. Besides the pump internals would have to be rated for PS fluid vs water. It's not April 1st, but I sure hope this is a joke...

Russ
Read that post again. He said to use the MOTOR from an electric water pump to drive a PS pump.
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Old 10-20-2018, 09:24 PM
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Quote:
Originally Posted by joe_padavano View Post
Read that post again. He said to use the MOTOR from an electric water pump to drive a PS pump.
PS pump draws 4-5 HP from the engine.
A 5 horse electric motor would need 3730 watts to run it
That would be 310 amps at 12 volts.

Hmmmmmmm
A true electric power steering setup only runs on demand so current draw is lower and intermittent
That is where the fuel savings comes in verses a belt driven constant flow pump setup with an internal bypass (read parasitic loss)
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Old 10-21-2018, 07:52 AM
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Quote:
Originally Posted by joe_padavano View Post
Read that post again. He said to use the MOTOR from an electric water pump to drive a PS pump.
Yup, my bad. I had read the original post and was going from that...

Russ
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