Power Steering Delete?
#1
Power Steering Delete?
A lot of e30ers have resorted to deleting their PS systems using something like this:
(old bad link deleted, so sorry guys)
here's one from another site:
http://www.r3vlimited.com/board/showthread.php?t=130389
Looks a lot cleaner than having an exposed loop most would do.
Has anyone experimented w/ something similar on the R50/53? This could be a simpler/cheaper route to solving all the PS related problems the 1st Gen has. Advantages are said to include weight shaving & better road/steering feel on e30s.
Feedback, anyone?
(old bad link deleted, so sorry guys)
here's one from another site:
http://www.r3vlimited.com/board/showthread.php?t=130389
Looks a lot cleaner than having an exposed loop most would do.
Has anyone experimented w/ something similar on the R50/53? This could be a simpler/cheaper route to solving all the PS related problems the 1st Gen has. Advantages are said to include weight shaving & better road/steering feel on e30s.
Feedback, anyone?
Last edited by minsanity; 06-22-2011 at 03:43 PM. Reason: 1st link has trojan
#3
I've driven 1 with failed PS. Drivable, but far from ideal. Was just wondering if anything like this $35 delete kit could be a possible alternative to an expensive PS pump replacement w/o risking rack damage. Since our system is electro-hydraulic, not belt driven, having the same expectations as those in e30s would be a long shot.
Anyone w/ empirical info? Please chime in. Thanks.
Anyone w/ empirical info? Please chime in. Thanks.
#5
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#9
Why this may not be a good idea
-The BMW has less weight over the front wheels making the steering lighter
-the bmw may have a steering geometry that better lends itself to a manual rack (the whole front geometry on the mini is kinda sucky to begin with). Caster and scrub radius should be looked at and compared. I would not suggest doing the running this with wheels that have a low offset number.
-the bmw may have beefier steering columns with beefier bearings supporting them. The steering columns and associated bearing in our car are not that good. The U-joint seen on that BMW is far more robust looking then the one on our car
Also:
We do have a parasitic drag on our car, the only difference is that it comes as extra work to turn the alternator (to power the huge electric motor) rather than a PS pump. So there is a gain to be had there.
-The BMW has less weight over the front wheels making the steering lighter
-the bmw may have a steering geometry that better lends itself to a manual rack (the whole front geometry on the mini is kinda sucky to begin with). Caster and scrub radius should be looked at and compared. I would not suggest doing the running this with wheels that have a low offset number.
-the bmw may have beefier steering columns with beefier bearings supporting them. The steering columns and associated bearing in our car are not that good. The U-joint seen on that BMW is far more robust looking then the one on our car
Also:
I'm not sure why you would delete it with an electric pump? No parasitic drag...
#10
#11
Agree with some here that I would never consider driving my Mini without a PS pump. It's a great pump and when the car gets up to speed, the pump is hardly working, so you always still have that pure rack and pinion feeling.
The ECU plays no role in the operation of the PS pump. It's self contained as far as how hard it works. It's why it is used by some other race cars. So the ECU could car less about deleting it. Your arms will though. ;-)
And Charlie is right, there is no "free" work when it comes to using an electric pump over a belt driven one. The Alt works hard at low RPM, but when up to speed the pump draws quite a bit less.
The ECU plays no role in the operation of the PS pump. It's self contained as far as how hard it works. It's why it is used by some other race cars. So the ECU could car less about deleting it. Your arms will though. ;-)
And Charlie is right, there is no "free" work when it comes to using an electric pump over a belt driven one. The Alt works hard at low RPM, but when up to speed the pump draws quite a bit less.
#12
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