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Old 06-03-2015, 11:02 AM   #101
zantman
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Quote:
Originally Posted by GrpB View Post
I surrendered. Already had an 02 WRX subframe in the car and just put the rack into it as per the other installations. Got frustrated with my potential solutions because my workspace is temporary and my machine tools are in storage, so something as simple as reducing the hex size for a fitting needed to go to an outside shop, who messed up the first one because they put the fitting right into the vice without putting a nut over the threads to protect them from deforming.

My intent was to use AN adaptors at the body Ė 37 deg JIC to AN - to high pressure soft line on the pressure side and conventional AN on the return side. What killed this is that it needs a 150deg fitting on the high pressure side to clear the reinforcement, Parker lists one, p/n: 14V43-6-4, but they donít actually stock it, high cost + many weeks lead time. Even then it would have been iffy. With the off the shelf 90 deg fitting it's just too tight, and doesn't allow room for the return line to pass through also.

Could do AN hard lines from those adaptors, but would need to be a very tight bend, might not have room for the flaring tool since the lines need to start bending immediately after the fitting. Also, the center to center of the 2 threaded ports in the body are very tight, a -6 and -8 standard hex size would need to be clocked just so in order to work.

So the best solution would probably be to re-use the threaded ends of the OEM hard lines and make new lines to a new routing, but the tubing/fittings are metric, not fractional, so would need someone that is tooled for metric double flares.

Views showing HP line removed, interference with low pressure line. With HP line it's not possible to get the rack in, the reinforcement would need to be cut out almost completely. Note this is alo without the necessary spacer which would rotate the lines further into the reinforcement:



JIC to AN adaptor, clearance is deceptive, with the 90 deg outlet elbow there is almost no room left:




OEM hard lines, would be best to just fixture new hard lines and have them made, bends need to be tighter and re-oriented:
Instead of going 90 degrees from the adapter, is it possible to come straight out from there and run a hose forward around the steering rack? Or maybe put an adapter in after you have made the turn? Not sure if you had already thought of this and it wasn't possible.

I really want to put this into my car as well (05 STI) but this seems to be the biggest hurdle that I have observed so far.
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Old 06-04-2015, 08:01 PM   #102
zeroluck
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This might be a newb question... but would the 2015 STI Front crossmember fit on to the older Imprezas? I have a 01 RS, so would have to get a new crossmember to make this rack fit and might as well get the crossmember that the rack was meant for to reduce the number of modifications required...

Again sorry for the newb question
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Old 06-09-2015, 01:55 PM   #103
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The adapters we made were put to the test a couple weekends ago with some canyon runs. Everything held up great on Whiteout06's car!
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Old 06-16-2015, 03:39 PM   #104
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Originally Posted by yebokmj View Post
I was told they would have to do it on a lathe, so I was going to remove them from the rack to ensure I wasn't charged any extra labor. Plus since I am supplying another to compare it to it will help with that part.
This is a couple months old now, but if you still have the ITRs off the car can you get a measurement of the total length of both tie rods?

Moog has a part EV396 that is M20-1.5 inner to M14-1.5 outer with a length of 13.06 inches. I don't know how that stacks up against the 15 STi and GD rack inners, but it might make a turnkey swap easy.
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Old 06-16-2015, 03:40 PM   #105
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Also been confirmed that 02-14 wrx's all run the M14 tie rod, so the adapters would work on them!
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Old 06-16-2015, 04:37 PM   #106
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Quote:
Originally Posted by Regardie View Post
This is a couple months old now, but if you still have the ITRs off the car can you get a measurement of the total length of both tie rods?



Moog has a part EV396 that is M20-1.5 inner to M14-1.5 outer with a length of 13.06 inches. I don't know how that stacks up against the 15 STi and GD rack inners, but it might make a turnkey swap easy.

I have a set of GD and a set of '15 STi ITRs in the garage. I'll see if I can get some measurements for you.
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Old 06-17-2015, 03:42 PM   #107
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Originally Posted by gregroot198521 View Post
I have a set of GD and a set of '15 STi ITRs in the garage. I'll see if I can get some measurements for you.
Thanks, I have found the boots torn on my 2000 Legacy GT when then rack started making all sorts of noise so this is now on the list of things to do.
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Old 07-02-2015, 02:45 PM   #108
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bump for an update on the requested length of the tie rods. This Moog part might just be another solution.
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Old 07-02-2015, 07:21 PM   #109
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Hey bud, sorry I haven't been able to get to my garage and remember to measure for you. I'll try to get in there and measure for you after the weekend. BUT, just in case, take a look back through this thread or the other ones about it (both here and on IWSTi) because I posted some part numbers for a M20 tie rod for the TriBeCa (IIRC) that I thought would work and it is the same part number as the '15 STi ITRs.
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Old 07-04-2015, 06:25 PM   #110
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Looking forward to a full write up and kit for this swap for the GDBs...I want one!
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Old 07-05-2015, 09:59 AM   #111
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Originally Posted by gregroot198521 View Post
Slowly getting all the parts together for this swap. I've got the rack, modified ITRs and some OTRs with Zerg fittings. Fresh hydraulic lines to replace the hard-lines, fresh reservoir and a cooler, and the Whiteline bushings for both sections (GD set and a set for the GR). The reservoir will be going in the battery location to remove it from beneath the snorkel and the cooler will be in line between the reservoir and the pump. Should be able to get this job started one of these coming weekends hopefully.
Any updates?
BTW I'm also in El Paso and would love to see the results firsthand.
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Old 07-05-2015, 01:34 PM   #112
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Yeah, jobs been done for a few weeks now. It's a lot nicer than before IMO. In not sure how you'll see the results though, no one else drives my car and I don't do auto-x. I can say it is a worthwhile mod though, just be sure to remove the sway bar before attempting the job.
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Old 07-06-2015, 11:52 AM   #113
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Had a handful of the adapters and they are already all gone. Will be making more very shortly.
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Old 07-07-2015, 08:54 AM   #114
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How did you get the plumbing on the steering rack to fit?
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Old 07-07-2015, 09:49 AM   #115
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How did you get the plumbing on the steering rack to fit?

Not applicable since I went a fully custom setup. It's all "soft" lines other than the 2 lines that have both ends into the rack. You're welcome to take a peak though the next time I make it to a Saturday meet.
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Old 07-08-2015, 06:15 AM   #116
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Wish I could, stuck in Iraq for another month or so :/
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Old 07-08-2015, 08:23 AM   #117
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Ah, okay. Offer still stands when you get back (if I'm still here). Keep your head down.
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Old 07-08-2015, 09:30 AM   #118
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Ah, okay. Offer still stands when you get back (if I'm still here). Keep your head down.
Thanks. Any chance you know some of the guys from EPAWD?
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Old 07-08-2015, 10:39 AM   #119
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Thanks. Any chance you know some of the guys from EPAWD?
Almost all of the old timers in the group, been here almost 4 years.
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Old 07-09-2015, 07:08 AM   #120
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Almost all of the old timers in the group, been here almost 4 years.
I probably know you then . Hell, I knew Donald since he came to El Paso.

Anywho, back on topic. Could you give me a parts list that you used to route the plumbing? Thanks in advance
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Old 07-09-2015, 01:09 PM   #121
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I probably know you then . Hell, I knew Donald since he came to El Paso.

Anywho, back on topic. Could you give me a parts list that you used to route the plumbing? Thanks in advance

It's a probability then, what's your name? /OT

For my build I used a good amount of R16 hydraulic hose and a variation of 90*, 45* and straight crimp on fittings. All 3/8" hose and JIC/SAE 37* fitting ends. The fitting on the pump housing (outlet) is a M14x1.5 or M16x1.5 banjo. Pump inlet can be replaced with a fitting from Tigwerks that is, IIRC, a -8AN fitting on the threaded side. Fittings on the rack are M14x1.5 inlet and M16x1.5 outlet. Line lengths will be dependent on your choice of where you choose to put components. If you google custom power steering lines you can find the lengths for stock location stuff. I used a cloth tape measure to determine my lengths.

I replaced the reservoir with an Aluminum one and placed it where the battery was. There is an inline cooler in line between the reservoir and the pump too now.
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Old 07-13-2015, 10:11 AM   #122
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Tx for the post. I did the install over the last few days on my 04 STI as well. I should be able to test drive tonight if I get the fluid today. I probably overtightened the hard line like you posted, I'll see how it goes.

To make it fit I actually used a tap to make about 1 cm of extra thread and removed 1 cm of thread on top, this was way enough to make it fit with whiteline RCE (which seem to thread a bit deeper than the stock one).

I had to grind the reinforcement on the sub frame like GrpB was talking, I'll try to take a few picture and post.

Another trick, removing the passenger side axle (only disconnect the tranny side) helps a lot making room to connect the line to the steering rack.

Here are a few pics:


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Old 07-13-2015, 04:27 PM   #123
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great idea with the tap and die set, I just didn't know how accurate that would be. I'm a wagon owner so I would have to cut about an inch of thread and then trim the same amount off the ITR.
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Old 07-14-2015, 11:28 AM   #124
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Originally Posted by kenliu84 View Post
great idea with the tap and die set, I just didn't know how accurate that would be. I'm a wagon owner so I would have to cut about an inch of thread and then trim the same amount off the ITR.
Or use your stock tie rods and use our adapters
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Old 07-14-2015, 12:38 PM   #125
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Or use your stock tie rods and use our adapters

As stated before, only works for certain vehicles. Doesn't help the STi guys one bit.
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