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Old 09-11-2004, 09:45 AM   #1
bambams247
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Default What is Perrin Positive Steering Response System and whats it do?

What is a Perrin Positive Steering Response System and what does it do? Is it basically a fancy name for an ALK or is it something else I can add to my suspension above an ALK??? Any idea what it is ro does and does anyone have this??
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Old 09-11-2004, 11:22 AM   #2
redcoupe
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i thinks a fancy name for the ALK.
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Old 09-11-2004, 06:02 PM   #3
bambams247
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how does it compare with the whiteline kit and with other ALKs out there?? Thanks!
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Old 09-11-2004, 06:08 PM   #4
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Old 09-11-2004, 06:38 PM   #5
nhluhr
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unfortunately, scotty, the search you posted doesn't link to the single best info thread on ALKs that has ever existed here:

"n00b alk question"

If you read the entire thread, you'll see that the Perrin kit has less of the "anti" effects and more caster than the whiteline kit - so much more caster, in fact, that you run into clearance issues with the wrx control arms.
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Old 09-11-2004, 06:41 PM   #6
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.......I DID try.......













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Old 09-11-2004, 06:44 PM   #7
nhluhr
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at least you didn't just link to this -- that would have been a mean thing to do.
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Old 09-11-2004, 07:05 PM   #8
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Nick......what ARE we going to DO with you..........
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Old 09-11-2004, 07:31 PM   #9
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still really doesnt give em enuf info.

So does the Perrin cause problems therefore I should go with whiteline?? I really wanted Perrin to work with my sway bars but I guess it dont sound like a good idea.
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Old 09-21-2004, 01:30 PM   #10
Wolfen42
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Quote:
Originally Posted by bambams247
still really doesnt give em enuf info.

So does the Perrin cause problems therefore I should go with whiteline?? I really wanted Perrin to work with my sway bars but I guess it dont sound like a good idea.
After reading through the apparently ongoing issues with the Perrin version of the ALK I ordered myself the sport version of the whiteline ALK...

Nothing appears to have been solved in the discussion w/ Perrin. the last thing they were talking about was having people use thread-loc or something similar to try to hold their spherical bearings together... gah!
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Old 09-21-2004, 06:05 PM   #11
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Wise choice....

I had the loose spherical bearing problem with my Perrin PSRS, and after spending a lot of money and teim to try to get it resolved, they told me to ship it back so they could investigate.

I haven't heard from them since, and I don't have the time or energy to pursue a compensation. I think that's what Perrin is counting on with most people............
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Old 09-22-2004, 12:16 AM   #12
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Please...just go with Whiteline. Save yourself the time, money and frustration. Its a proven product that Whiteline pioneered and has refined to its current state of perfection! Gush! Seriously, if you like to drive hard out of corners, the Whiteline ALK is the way to go.
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Old 11-16-2004, 09:38 PM   #13
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Default Buy Perrin*

I bought my kit when they were having problems with the PSRS. I waited two months to put it on. The day after driving home from the install, I had two clunking sounds. I got on the Intarweb and search for <PSRS clunk> and what do you know... this is a known issue. So I called Perrin immediatly. Jeff answered and we diagnosed while I had my car in the air and the PSRS removed. We determined that my anti-swaybar was on backwards and that problem combined with the STi aluminum control arms causes a clunking sound when I turned far left or far right. However, I had two types of clunking sounds and Jeff knew what both of them were. The second one is when I would stop fast or accelerate fast. This he attributed to an early faulty batch. He happily asked me to send them to him for inspection.

A few days later I got a newly designed pair that have a retaining pin for the bearing. This is a precaution for people that don't install it properly. If you torque the end bolt on while the opposite side of the control arm is mounted then you can pull the bearing out of the PSRS. Or if you don't torque the bolt on tight enough your braking and accelerating cause the bearing to slide back and forth (doh).

Even though Jeff knew I probably installed the part wrong, he still offered to replace the set free of charge. I'd rate him an honest man and say that Perrin puts customer satisfacation first.

If you are looking for raw performance get a Perrin PSRS. It gives you more of that good castor and a solid pillowball bushing. The noise is harsh over railroad tracks and potholes. Otherwise it sounds like the stock bushing on smooth roads. It greatly increases your feel of what is going on with your tires. I've improved my racing skills manyfold just from the feedback I get in the steering wheel.

Read my product review in this thread.


Last edited by orion411; 11-16-2004 at 09:55 PM. Reason: Making it on topic
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Old 11-17-2004, 08:34 AM   #14
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Don't dismiss the Perrin PSRK base on a very few manufacturing/installation errors, which are now resolved. If the unit is installed per directions, and tightening sequence, you'll be fine. I preferred the performance of the Perrin over the WL, it is notable. How ever there is one side effect of the Perrin to consider: Increase road vibration. I live in Boston and the roads are horrid. I swapped out to a WL sport, to enjoy 25% less road vibration. (girl friend demanded it too...) But, if I lived south of the sno belt and in area developed after WWII, chance are the Perrin would still be on my car. And FWIW: replacing R-sway bar, end links, and castor kit (ALK/PSRK) are the best mods I have done to my WRX wagon.

Happy trails,
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