[Diy_efi] power steering pump relocation

[J Creech]

Didn't MKII Toyota MR2s ('91-'94) come with a power steering of this nature? By
that, I mean an electro-hydraulic steering setup that was "on demand" so the
pump didn't run except at lower vehicle speeds. I don't know if it was ECU
controlled or not, as The Wife has a MKI & it's manual steering only.....

Might be worth checking into.

-Scott Creech


> Bernd Felsche quipped:
> > Seriously off-topic. :-)
>
> Actually, it won't be shortly, because the next questions will be about
> variable speed assist and integrating this circuitry with the ECU. Well
> okay, this truly has nothing to do with fuel injection, but it is system
> electronics nonetheless. Close enough? :^)
>
> > The other concern is one of the steering getting the
> > required pressure soon enough if the pump is modulated
> > in some way.
>
> Hmm... good point. This project is in its seminal stages. Perhaps hard pipe
> and braided steel will be necessary to cut the damping effect...
>
> Mike D. wisely asked:
> > why do you need power steering in a Scirocco???  That's
> > a pretty light car.  You can loose up to 10 lbs by removing
> > all that stuff and free up some power.
>
> Yup, you're quite right about that, Mike. I'm running a 2:1 steering
> quickener which brings the turns lock to lock to just two. I'm no weakling,
> but that kind of steering effort would be murder on me over the course of a
> long rally event or even in an an autocross. A precision touch is needed
> rather than the ham fisted approach. Okay, back to my laboratory...
>
> Thanks,
> --
> Scott F. Williams
> Team Director
> Usually Sideways Rally Team


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