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2G ***NEW PRODUCT*** Quaife rack and pinion AKA Quickrack, W/Optional EPS kits (CLOSED)

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I’m being told that the price on the EPS kit has changed from the price listed in this thread to $320 plus shipping?
 
I’m being told that the price on the EPS kit has changed from the price listed in this thread to $320 plus shipping?
It might be due to parts cost, it was always an estimate on his side, different places will charge different prices for the unit itself, I have zero control over any of that, he was just nice enough to accept helping out doing these kits for us.
 
Dang. Well thats quite a bit more. I’ll have to think about it now. Thanks ec17pse.
 
Dang. Well thats quite a bit more. I’ll have to think about it now. Thanks ec17pse.
Its not alot more and sorry it is more, ask if thats a bulk cost or if it will go down when a few jump in st the same time as he ssid to me he was able to reduce costs if bulk buying and such.

Sorry i cannot help more here. I have no control over stuff when its not my parts.
 
If a few people have messaged the EPS provider, can you add any info you have to this thread? A bunch of people asking the same questions will probably get annoying if the info can just be shared here.
 
Its $80 more than the initial cost expectation. I do consider that a substantial amount more than was expected. Either way, I did ask about it. He said that he had explained it to you that the first two kits would be priced at the $240 as “trial kits” and then the bulk price would be somewhere around $280 for the rest. But then quoted $320 plus shipping for the cost. So I guess I’m not sure at this point of the cost is $280 or $320 but he was very prompt, professional, and polite when I emailed him today. I may just eat the extra cost just based on that.
 
Its $80 more than the initial cost expectation. I do consider that a substantial amount more than was expected. Either way, I did ask about it. He said that he had explained it to you that the first two kits would be priced at the $240 as “trial kits” and then the bulk price would be somewhere around $280 for the rest. But then quoted $320 plus shipping for the cost. So I guess I’m not sure at this point of the cost is $280 or $320 but he was very prompt, professional, and polite when I emailed him today. I may just eat the extra cost just based on that.
I never got any mention of trial LOL, all i got was single kit and bulk discount,

He is a nice chap and greatful he is on board helping with this as i has no solutions to this myself LOL
 
Hello all,

I emailed Chris who will be providing the EPS kit and service and asked him as many questions as I could think of. I will summarize here to avoid duplicate questions being asked.

The EPS kit is made using Koyo parts.

Chris estimates current draw during operation at 30-50 amps. I recommend a minimum of 10 gauge power wire and would suggest using 8 gauge from the battery post for this unit. Also make sure your relay of choice can support that power draw.

The unit is not adjustable because a CAN bus input is required. CAN messages can be generated using an arduino so adjustability without a CAN ecu is possible but we would have to know the message structure required by the Koyo unit. I will look into it, but this information is typically proprietary. I will follow up if I can come up with anything.

If the unit were to fail, it will disengage and default to manual steering. This fact allows for ECU control of the units power using ECMlink or standalone. Simply wire the relay to be switched by the ECU based on whatever parameters you like. Not adjustable but an on/off switch for parking lot speeds or something. Again, not required, but possible.

Chris requires the steering column and lock cylinder to be sent to him to be modified. The steering column cannot be returned to factory once this is done. He did not specify but I believe he will need to cut the column in half to install the unit in the middle. If you can, I would suggest finding a junkyard column or something to send so that you can minimize car downtime and have something to revert back to should you desire.

Chris is ready now for orders. Simply email him at the address provided by Bobby above to get started.

Hopefully this answers some questions that may still be lingering.
 
Its $80 more than the initial cost expectation. I do consider that a substantial amount more than was expected. Either way, I did ask about it. He said that he had explained it to you that the first two kits would be priced at the $240 as “trial kits” and then the bulk price would be somewhere around $280 for the rest. But then quoted $320 plus shipping for the cost. So I guess I’m not sure at this point of the cost is $280 or $320 but he was very prompt, professional, and polite when I emailed him today. I may just eat the extra cost just based on that.

I think you needed to read the initial ad closer. Bobby said $280 for a single unit and perhaps $240 if you went to Mr. Cole as a group batch. $240 was never promised $280 was the number. So the increase to $320 is a $40 difference for a process where someone is going to take your column and modify it by hand and it includes the EPS unit. If the price had doubled or something I might understand where you are coming from but in my mind it's still a bargain.

As far as the Koyo unit CAN communication I have done quite a few arduino setups with CAN and it's pretty easy. Like was already mentioned finding the CAN message address and figuring out what they control is the hard part. If we can get a part number for the Koyo unit we may be able to get a hold of a ECU or BCM out of one of the cars it was used on and monitor the CAN messages between the two. Would take some time but might be worth it.
 
Let's also remember a few of us might have CAN bus enabled standalone ECUs :)

Things sound promising from my communication with him, and his basic on/off solution works the same as the hydraulic EPS unit in my race car already, and it's been fine like that.

I'd love to be able to control it, though, so if it's figured out, consider me intrigued.

You must be logged in to view this image or video.
 
I think you needed to read the initial ad closer. Bobby said $280 for a single unit and perhaps $240 if you went to Mr. Cole as a group batch. $240 was never promised $280 was the number. So the increase to $320 is a $40 difference for a process where someone is going to take your column and modify it by hand and it includes the EPS unit. If the price had doubled or something I might understand where you are coming from but in my mind it's still a bargain.
I am well aware of what the ad said. Currently, I was ok with $240 for a batch job. Now its venturing into territory where I can choose other options. I feel like this option may be less of a value than initially expected.
 
I am well aware of what the ad said. Currently, I was ok with $240 for a batch job. Now its venturing into territory where I can choose other options. I feel like this option may be less of a value than initially expected.

Well I'm sure we will all be very interested to see what other EPS "options" you come up with for under $320 without doing the fab work yourself.
 
I paid over $200 alone for my electric power steering unit alone with no installation. I think this is an amazing deal. Just Google the large EPS providers and the costs range from $500 for a DIY kit to much, much more. I bought an extra rack and steering column just so I could have this done.

For the CAN information, we need someone with access to a running and driving Nissan Versa, Prius, Corolla, or similar car with the same Koyo EPS. (We should verify year and exact details first) We need to tap the two CAN lines and log the CAN data while the vehicle is driving. I have seen data playbacks from some Toyotas, but I'm unsure if all the wheel speed data is sent to the Koyo rack, as subset or perhaps different data all together. If you Google "CAN Hacking", you'll come across several cheap setups to record CAN bus data.

However, it sounds like the base assist level should work well. However I'd love to work on tweaking it.
 
I am using a Prius column for my EPS. It was really cheap from a junkyard (<$50).
The seller of this item said it works for the Prius column as well, as they use the same control unit, but I have not tried it out yet.
https://www.ebay.com/itm/Toyota-YAR...ering-control-unit-box-kit-epas-/252474090150

EDIT: confirmed controller works. Assistance changes with potentiometer

Also, this page describes how to adjust the assistance if you want to put together something yourself.
http://www.autospeed.com/cms/article.html?&title=Modifying-Electric-Power-Steering&A=111532

I just ordered the Yaris controller kit. I will confirm it works (or doesn't) when it arrives. (mid May)
---CONFIRMED--- It works.
 
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I’ve been researching the prius column myself and it looks like a very viable option. I don’t really see why anyone is getting upset over someone looking into other, less expensive options. I’ve already got access to a machine shop and have experience with machining so I am not afraid of that. No need to get upset over what I choose to do with my money. For the record, I never said I wasn’t going to purchase his product, only that I was considering other options, which there are out there.
Well I'm sure we will all be very interested to see what other EPS "options" you come up with for under $320 without doing the fab work yourself.
 
That's a good article about adjusting the assistance but only good for the older Koyo style units, not the newer (roughly 2008+).
 
I am using a column from an '07. Are there advantages to using the newer units? I have not seen any information about the design changes... Very curious

I'm curious if that module you are getting off ebay is sending CAN messages to the Yaris column or if it is just giving an analog input to it that is adjusted by the knob. If it is not CAN then that is definitely the simpler way to go and you could always piggyback your own control (arduino or standalone ecu) in place of the manual control knob so you could change assistance automatically with speed of the vehicle, etc.

Does anyone have the exact part number or model/year car of the EPS unit being used by Mr. Cole in his conversions?
 
I'm curious if that module you are getting off ebay is sending CAN messages to the Yaris column or if it is just giving an analog input to it that is adjusted by the knob. If it is not CAN then that is definitely the simpler way to go and you could always piggyback your own control (arduino or standalone ecu) in place of the manual control knob so you could change assistance automatically with speed of the vehicle, etc.

Does anyone have the exact part number or model/year car of the EPS unit being used by Mr. Cole in his conversions?

He didn't specify. I asked for it explicitly but there were a lot of questions in my email do it may have been missed. I'll follow up about it now.
 
I am using a column from an '07. Are there advantages to using the newer units? I have not seen any information about the design changes... Very curious

I honestly don't really know. There seemed to be higher failure rates of the older units, however, I'm not sure this is accurate at all. I'm actually planning on using this newer unit on my Talon and depending on how it goes, I'll implement something myself on our classic mini.

I'm a bit concerned about electric power steering because of the horrible feedback on some modern vehicles. (Ever driven a recent Nissan Versa? yuck.)
 
Feedback is inversely proportional to amount of assistance. If you have too much, it dulls the feedback. With adjustable assistance I am hardly worried...

They did have problems out of these older units. I believe there was even a recall. You can check if the car has had the recall done if you pull it at the junkyard. I didnt... however, if it fails it could be redone very easily. The "custom" work is all done on the shaft, and you could simply swap that into a new housing.


I'm curious if that module you are getting off ebay is sending CAN messages to the Yaris column or if it is just giving an analog input to it that is adjusted by the knob. If it is not CAN then that is definitely the simpler way to go and you could always piggyback your own control (arduino or standalone ecu) in place of the manual control knob so you could change assistance automatically with speed of the vehicle, etc.

Does anyone have the exact part number or model/year car of the EPS unit being used by Mr. Cole in his conversions?

Bingo!
 
Good work guys on this EPS stuff, its not my knowledge base so im kind of out of this one LOL, if i ever get EPS im getting a race kit thats adjustable but its not for the penny pinchers wallet haha.

As to the dead feel on steering alot of the time thats down to the crappy negative scrub radius they make the car have, it really kills steering feedback and alot of the average run of the mill cars like prius and audis and so forth all have negative scrub to keep steering easy,

We have positive scrub radius so i think you cannot say its going to be numb on this car as it is from the car it came from, so keep an open mind to our setup and its effects it will have,

Also reguarding a switch and such, when i started looking into the EPS setup i asked s few racers about it and i got mixed reviews on it and who uses it so it is a wide range of yes and no's, some liked it all the time and some turned it off and they all had a different level of aero so it will vary, if you got super wide tires it may be needed as apposed to something not so wide say 235 ish, as the new racks are less turns for a greater steering angle it might be alot easier and the eps can be switched off or volt controlled perhaps and lower the volts to the unit (again not my expertise)

Its good you all have ideas and possible ways to make it work out
 
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