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-   -   power steering cooler options (https://www.miataturbo.net/engine-performance-56/power-steering-cooler-options-56225/)

JasonC SBB 03-12-2011 08:57 PM

power steering cooler options
 
Is there a cheap bastard version of this:

http://www.bellengineering.net/produ...roducts_id=301

chpmnsws6 03-12-2011 11:45 PM

http://cgi.ebay.com/ebaymotors/Finne...Q5fAccessories

???

kotomile 03-13-2011 03:29 AM

http://www.flyinmiata.com/tech/depow...ering_rack.jpg

Savington 03-13-2011 03:56 AM

I don't think I've talked to a single person who has driven a depowered power rack and wanted to keep their power steering afterwards.

chpmnsws6 03-13-2011 11:33 AM

Even with a smaller steering wheel and wheel spacers?

Faeflora 03-13-2011 02:37 PM

Yes. Alternative is my used one. Sitting in my trunk right now.

40% off.

Fireeeeee shipping.

Reverant 03-13-2011 03:05 PM


Originally Posted by Savington (Post 700797)
I don't think I've talked to a single person who has driven a depowered power rack and wanted to keep their power steering afterwards.

Anyone with a daily driver? In a crowded city?

wittyworks 03-13-2011 05:01 PM

I'm a daily driver in the bay area, and love my depowered rack

Stealth97 03-13-2011 06:07 PM

Regarding the depowered rack, My wife don't like it :/ I love it.

baron340 03-13-2011 06:10 PM


Originally Posted by Reverant (Post 700907)
Anyone with a daily driver? In a crowded city?

I DD mine, on campus, parallel parking nearly every day. I would never go back.

MartinezA92 03-13-2011 06:39 PM


Originally Posted by Savington (Post 700797)
I don't think I've talked to a single person who has driven a depowered power rack and wanted to keep their power steering afterwards.

This.

Originally Posted by wittyworks (Post 700922)
I'm a daily driver in the bay area, and love my depowered rack

And this.

Reverant 03-13-2011 06:48 PM

That does sound tempting. MiataRoadster is making a rack depowering kit, I may give it a go as I would not mind getting the PS pump and reservoir out of there.

Faeflora 03-13-2011 07:27 PM


Originally Posted by chpmnsws6 (Post 700844)
Even with a smaller steering wheel and wheel spacers?

Damn it buy my cooler

chpmnsws6 03-13-2011 07:52 PM

I already have a PS cooler. Snaked it off the C5, along with the PS pump and lines.

How much easier is it to steer with the seals out of the rack? I've tried a car with a looped rack and it was yuck.

Savington 03-13-2011 08:34 PM


Originally Posted by chpmnsws6 (Post 700976)
I've tried a car with a looped rack and it was yuck.

Sounds like they didn't evac any of the fluid. If you get the fluid out and loop/plug the rack, it should be excellent - that's how my car is done.

hosspoons 03-13-2011 09:04 PM


Originally Posted by Savington (Post 700988)
Sounds like they didn't evac any of the fluid. If you get the fluid out and loop/plug the rack, it should be excellent - that's how my car is done.

Hmm, I've had mine for several years, and I must say I'm getting tired of it.
Difficult in parking lots and with race tires it takes a lot of shoulder in tight turns. I enjoyed it on the track, kinda sux around the city.
I've got a manual rack on the shelf that a spec racer rebuilt, was thinking of trying it out.

Maybe I've still got some fluid in it, I did it when it people first started doing it.

i had two other thoughts that it might make me faster in autox:

Read a piece by Mark Donahue where he said adding PS to one of their race cars improved their times by like a second a lap - his idea was that with the car so much easier to steer, he could plan more on where to put it instead of having to muscle it around.
Parallel to this is the idea of using your smaller, better controlled muscles in your forearms over the large muscles in your shoulders - more fine control. I recall something along these lines from Midohio driving school or one of my race books.

y8s 03-13-2011 09:46 PM

anyone else care to answer the original question?

I just re-checked the thread title. It didn't say "how to depower steering rack?"

chpmnsws6 03-13-2011 10:07 PM


Originally Posted by y8s (Post 701020)
anyone else care to answer the original question?

I just re-checked the thread title. It didn't say "how to depower steering rack?"


Check post #2. 30 dollar option.

Faeflora 03-13-2011 10:15 PM


Originally Posted by JasonC SBB (Post 700728)
Is there a cheap bastard version of this:

http://www.bellengineering.net/produ...roducts_id=301

Buy my begi PS cooler. It is awesome. I have hose and some clamps with it too.

JasonC SBB 03-14-2011 01:58 AM

PM me the price.

To all the others: When PS conks out in WRC cars, they slow down a hell of a lot.
Not that I'm Sebastien Loeb, but I like being able to catch the tail very quickly.

Savington 03-14-2011 02:56 AM


Originally Posted by hosspoons (Post 700999)
it takes a lot of shoulder in tight turns.

Sounds like too much caster. Run a depowered car at 5.5-6 degrees like everyone else does, and you can skip the gym after work. Run it at ~3.5 degrees and you can drive it with your fingertips - and since you don't have a huge hydraulic system in the way, your fingertips can actually feel what's going on.

Look at all the effort my fingertips are putting into steering my 225mm R-comp-shod Miata through a fairly tight autocross course:




Originally Posted by JasonC SBB (Post 701099)
PM me the price.

To all the others: When PS conks out in WRC cars, they slow down a hell of a lot.
Not that I'm Sebastien Loeb, but I like being able to catch the tail very quickly.

That comparison is so ridiculously flawed I don't even know where to start, Jason.

When the PS FAILS, you are pumping fluid through the failed pump, all of the lines, etc. when you turn the wheel. I've driven a car with the PS/AC belt off - it was downright awful and it's no wonder it slows them down. When you depower a rack, though, you get rid of all of the fluid, so the two examples are not even REMOTELY comparable.

Let's ignore the fact that the two situations wouldn't be comparable even in the same car, though. It's still a WRC car - NOT a Miata. WRC cars go down roads I would think twice about traveling in my truck, and they do it at speeds my truck cannot obtain on pavement, let alone on such a road. I can't imagine the kind of forces that rocks, ditches, etc. put on the steering systems, but those guys have to go breakneck speeds stage after stage after stage without getting tired out. If the wheel is snapping around, it's going to be tiring (and potentially dangerous - if a big enough rock were to grab a tire I could see a broken hand fairly easily).

I'm no Frenchman either, but I have absolutely no trouble catching fairly lurid, obscene slides, even at triple-digit speeds, with my depowered rack. Nick drove my car for a session at Buttonwillow on Saturday and commented on how easy it was to drive sideways, in fact.

If you want a cheap PS cooler, buy a cheap fluid cooler, stick some compression/barb adapters on the stock PS cooler lines, and jam the cooler somewhere. It's not difficult to do.

fmowry 03-14-2011 06:50 AM

To the OP:

http://www.summitracing.com/search/?...20cooler&dds=1

I've got the Permacool 1200. No hard data yet as the car hasn't been driven in forever.


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