S2000 Under The Hood S2000 Technical and Mechanical discussions.

Miata Steering Rack, or any other Manual

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Old Sep 19, 2007 | 02:28 PM
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Default Miata Steering Rack, or any other Manual

Has anyone attempgted to put in a manual steering rack in from a miata, or is there an aftermarket manual steering rack available?
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Old Sep 19, 2007 | 03:17 PM
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Originally Posted by PeanutButter,Sep 19 2007, 02:28 PM
Has anyone attempgted to put in a manual steering rack in from a miata, or is there an aftermarket manual steering rack available?
the size of my NA miata rack is no where near the size of my s2k rack.
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Old Sep 19, 2007 | 03:39 PM
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you can try to convert your power steering rack to manual.

What you DO NOT do is just disconnect the p/s lines, remove the pump and all associated hardware and run the rack dry. the rack willl eventually go bad.

What you DO is modify the p/s lines right at the rack and run lines up to the top of the engine bay and get a universal power steering fluid reservoir from your local Checker Auto Parts or heck you can even fabricate one out of a Coke can. The reservoir will keep a steady supply of lubrication for the rack.

Of course you'll notice better steering feedback but you will also lose a significant amount of parasitic drag.
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Old Sep 19, 2007 | 03:43 PM
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Originally Posted by slipper,Sep 19 2007, 04:39 PM
you can try to convert your power steering rack to manual.

What you DO NOT do is just disconnect the p/s lines, remove the pump and all associated hardware and run the rack dry. the rack willl eventually go bad.

What you DO is modify the p/s lines right at the rack and run lines up to the top of the engine bay and get a universal power steering fluid reservoir from your local Checker Auto Parts or heck you can even fabricate one out of a Coke can. The reservoir will keep a steady supply of lubrication for the rack.

Of course you'll notice better steering feedback but you will also lose a significant amount of parasitic drag.
Sorry, dude, but this indicates you have no Fing clue. The S2000 is electric power steering, not hydraulic. Next time, please know what you are talking about before you post.
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Old Sep 19, 2007 | 03:52 PM
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If you unplug the electric rack it becomes a manual rack.
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Old Sep 19, 2007 | 03:59 PM
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Heh heh I wasn't even thinking for a moment and was ready to explain that when I swapped the motor in my old civic I didn't have a PS pump that fit so I just disconnected it and left it. I suppose it was probably likely

No hydraulic power steering in the S! Good catch guys. I don't know what the point would be in the S, frankly, as it's not like you're going to regain any lost power by doing this. With the amount of feedback this car gives already I wouldn't be willing to give up the non-power-stealing just to get a LITTLE bit more.


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Old Sep 19, 2007 | 04:09 PM
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Originally Posted by MikeyCB,Sep 19 2007, 04:59 PM
I don't know what the point would be in the S, frankly, as it's not like you're going to regain any lost power by doing this.
Power sent to the EPS by the alternator is still power taken from the engine. And some people complain that the EPS has a "dead" feel compared to a manual rack. Doesn't bother me, though. I've driven the car a little bit with the EPS off, and I prefer having it on.
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Old Sep 19, 2007 | 05:17 PM
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EPS unplugged is not where near that of a conventional manual steering rack.

What is in our rack, a motor or fluids, what is the electric in EPS controlling
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Old Sep 19, 2007 | 05:22 PM
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There is an electric motor in the rack, no fluid.

There is a mechanical link between the steering wheel and the rack, it's still manual. Just has a electric motor in the middle that provides assist power. When the power is off to the motor, it's a manual rack..
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Old Sep 19, 2007 | 05:47 PM
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Tell me this then.

I understand the car will be hard to turn when stopped and lower speeds, but at higher speeds you should be able turn with ease. Just like my miata(please dont tell me about the weight diff).
Well with the EPS unplugged and at higher speeds it feels like I am fighting the steering wheel.

Id like to get into the s2000 steering rack and see what is going on.
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