S13 Brakes/coilovers With R31 Arms In Ke70

[me!!!]

Hey all!

I've just been test fitting a bunch of parts I got for my old KE70

I got some S15 coilovers (same as s13) with AE86 camber tops fitted

On S13 "JDI track spec extra lock knuckles" with nonTurbo brakes (smaller)

And R31 Control arms (because they're a bit shorter then S13)

 

I have done some searching but not finding heaps on the use of R31 arms, so, anyone thats used them, some questions;

Firstly the rackend/tube/tierod como;

I have read for S13 arms you'd use Bluebird TRX tierod ends and RA60 Rack ends, I suppose the TRX option is so the stub part fits in the S13 knuckle or something, right? And since the R31 arm is shorter, will this combination still be the right length? Or what about RA40 tierod and RA60 tube?

What would people recomend?

 

And I have fitted the coilovers, knuckles and arms no problem, but the swaybar link is at a retarded angle, like the hole in the r31 arm is too far in (toward car center), Others got the same problem? Just Drill another hole? I'm aware caster rod holes must be drilled, don't recall hearing about the swaybar though.

 

I can get pictures if necessary.

Any info/advice/links ect much appreciated, thanks all!

[NinjaMekanik]

And I have fitted the coilovers, knuckles and arms no problem, but the swaybar link is at a retarded angle, like the hole in the r31 arm is too far in (toward car center), Others got the same problem? Just Drill another hole? I'm aware caster rod holes must be drilled, don't recall hearing about the swaybar though.

 

 

just redrill it mate. did the same thin on my ke55 when i put sigma LCAs in. the standard sigma hole was too far out.

 

EDIT: not sure what the go with the picture there is... wont embiggin. you get the idea though ....

Edited December 15, 2012 by NinjaMekanik

[irokin]

I got some S15 coilovers (same as s13)

 

False! There are a few small but critical differences. Probably the most critical is the bolt diameters, IIRC S13 is 12mm and S14/15 are 14mm or something to that effect.

[B.L.Z.BUB]

False!

 

[me!!!]

just redrill it mate. did the same thin on my ke55 when i put sigma LCAs in. the standard sigma hole was too far out.

Yeah, seams pretty fair, thanks pal.

False! There are a few small but critical differences. Probably the most critical is the bolt diameters, IIRC S13 is 12mm and S14/15 are 14mm or something to that effect.

Yeah, your right, the S15 are 14mm, but thats not a major issue.

Still wondering about the steering side of things... Can I just use RA40 tierod and RA60 tube? RA40 tierods fit in the s13 knuckles? The ke70 ones seem to fit fine, so I guess RA40's should too... Just need more length.

[JDMJared]

I put R31 control arms in my KE55 (cause I had them lying around), should be the same as KE70 yeah? It was a pretty dodgy job, if you're not a ghetto fix sort of guy I wouldn't suggest it.....

 

Anywho KE55's have 10mm or so bolt for the crossmember -> control arm

R31's have a bolt with a 10mm or so thread but a 14mm or so body, so I drilled the rear holes of my crossmember out with some drillbit I had lying around which happened to be the right size (can't remember what size but about 14mm). Like I said the thread is the same size so you only have to drill out one hole for each side. By some chance the bolts were the perfect length and the bushes the correct width so it turned out pretty damn snug in the end.

 

The second problem is the ball joints, the R31 has giant huge ʞ©$ɟ-off indestructible bolts for the ball joins -The tapers will NOT fit stock KE55 steering arms, but since they're so giant huge ʞ©$ɟ-off indestructible you can just bolt them in anyway and get heaps sick roll centers.

~I just read you're using s13 hubs (durr) so NM this part, but *THEMOREYOUKNOW!*~

 

My stock KE55 tie rods had more than enough adjustment to be used with the longer control arms because steering boxes kick arse, since you have a homosexual rack I don't know if you'll have the same luck.

 

Caster rod holes I redrilled heaps futher out, which allowed me to wind in dickloads of castor with stock rods -I can suggest this!

 

Here's an illustration I prepared in super special christmas colours:

[irokin]

The tapers will NOT fit stock KE55 steering arms, but since they're so giant huge ʞ©$ɟ-off indestructible you can just bolt them in anyway and get heaps sick roll centers.

 

Just want to note my objection to this. It is a ʞ©$ɟing terrible idea to ever use ill fitting tapers. They WILL fail.

[JDMJared]

Just want to note my objection to this. It is a ʞ©$ɟing terrible idea to ever use ill fitting tapers. They WILL fail.

 

Like I said, if you're not a ghetto fix sort of guy I wouldn't recommend it... But the bolts are giant huge ʞ©$ɟ-off indestructible, so they should be right.

[ke70dave]

The blue bird toe rod ends (taper) fit in the s13 hubs so why aren't you using them?