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Author Topic: How To: S13 Coilovers  (Read 44644 times)

Offline JRaub

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Re: How To: S13 Coilovers
« Reply #40 on: 12:27:24 AM / 18-Nov-10 »
so what is "one of these" called?


I have only seen the fork style ball joint removers never seen one like that before. However I do have to say its a rather clever tool. I haven't seen any that looks like that any tool stores either.

Anyways I was thinking the same thing about the welding the castle nut to the tie rod. I was also thinking about getting some bar stock the length I need it. Drill it out and tap it to thread the tie rods ends into it. Anyone know how much longer or shorter it would need to be. This could possibly be a little cheaper. I don't know yet. I will have to get in there. Then if need be I can shorten or lengthen them.

I have a little bit of fabrication background. I just need to have an idea of what im doing before I dig into buying raw materials and trying to do this or that. Im just making a list on what I will need to do this conversion.

I want to run this suspension set up.

http://www.meganracingperformance.com/8488-nissan-200sx-coilover-damper-kit-street-series-megan-rac-p-186376.html

Now being that I already have the Independent rear suspension do I need to convert over to the s13. It says I only need the front conversion. Anyone have any more advice to this?
1984 Datsun 200sx

Offline Jay

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Re: How To: S13 Coilovers
« Reply #41 on: 05:28:19 AM / 18-Nov-10 »
Welding the castle nut is bad juju. If you car were to ever break a tie rod or ball joint at the track or on the street you would be beyond screwed. I have a plasma cutter and would never consider it due to the fact that it would be very easy to damage the knuckle having to cut it off. Plus, the taper of the S12 outer tie rods and the S13 knuckle's receptor are not the same.

With the megan kit, you only need the front S13 hub assemblies with brakes, rotors, and an S13 ball joint pressed into your S12 arm. I have resolved the tie rod issue and have a cheaper solution than the A1 setup, with no tapping, cutting, welding, etc. Factory style regreasable stuff. No heim joints to corrode. 100 bucks shipped for both inner, and outer tie rod ends.

And as a side note, I can't stand that style ball joint/tie rod end remover. I have yet to not break one. I'll take my pickle fork and 3lb maul any day of the week. Never had a ball joint or tie rod end take more than two swings.

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Offline JRaub

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Re: How To: S13 Coilovers
« Reply #42 on: 12:12:53 PM / 18-Nov-10 »
Well I wasnt going to weld it to the knuckle. That would be pretty dumb. I was just talking about a tack on the castle nut to the tie rod end.

But I can get bar stock here locally drill it out on the ends then tap it for the tie rod ends so they would be the correct length. Then I can get them powder coated for like 20$ from a buddy of mine. Which I dont think it would be too terribly bad of an idea.

Like I said I just need to know what piece doesnt line up. I have the ability to make virtually any part I really need. Your only limited by your imagination, amount of money, and skill with a CAD program. If you have lots of the before mentioned things. Well then you have almost limitless possibilities.
1984 Datsun 200sx

Offline Jay

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Re: How To: S13 Coilovers
« Reply #43 on: 01:37:20 PM / 18-Nov-10 »
I wasn't referring to the nut being welded to the knuckle. It was to the tie rod shaft. You'll still have to cut it off, which can damage the threads and bind the whole assembly (And the worst case scenario, ball spinning in cup), causing you to have to cut near the knuckle anyways.

As for what doesn't line up? Everything...  The inner is too short, so you will need to extend it. The S12 outer tie rods shaft taper is wrong, drops down and angles to the rear. The S12's mounting point is a good 3 inches lower and back than the S13 mounting point. So you would need cut the outer ball joint and weld on a different coupler (Thus heating the cup, and distorting it). Or get bar stock of 2 different sizes (The S13 tie rod doesn't drop down, but is a much smaller rod size) and couple or weld the two together, and then use the S13 outer tie rod. The S13 rod

I thought of it. calculated the angular stresses, tested it in solidworks, and concluded that it would most likely snap/fracture/be a waste of money. and promptly cut a S13 inner tie rod 17mm down, welded it back together, threw it on a lathe, and then just used a factory S13 outer. Took maybe 20 minutes for something I know won't break or stray while drifting. I have since used my parts sourcing, and ASE Parts specialist skills, with a friend in japan who sent me a good 10 catalogs to go through, and found a proper outer tie rod end that uses uncut, factory S13 inner tie rod ends. And I won't give out this information :P

CAD skills mean modeling
Machining, fabrication, and programming skills mean making
Once you have all three, you don't really need much money.

And, for references, picture of the two next to each other, using my original cut and welded tie rods (track backups that I lost the nuts for, and don't care to buy more) against my old factory S12 ones. Yes, they're rusty. I didn't have time in the 3 minutes it took for them to go from the lathe, to the car. And I just never cared enough to go back for it after I pulled them off...


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Offline S12-AR

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Re: How To: S13 Coilovers
« Reply #44 on: 02:50:26 AM / 04-Apr-11 »

Offline radoublely

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Re: How To: S13 Coilovers
« Reply #45 on: 04:33:59 PM / 24-Apr-11 »
you know, I was just looking for some the brakes, but I'd been reading on s13 front ends and such, saw this laying in the ground at the junkyard and picked it up.  Now, I did get tein s13 coilovers and I'll let you guys know how the package turns out :)

Special thanks to Special Vehicle Services in El Paso TX.  Check out http://www.txsvs.com/ for more innovative builds or stop on by and ask them a few questions.

Offline DeeTeez

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Re: How To: S13 Coilovers
« Reply #46 on: 02:41:07 PM / 11-Jul-11 »
how do you remove the s12 tie rods?

Post Merge: 02:46:27 PM / 11-Jul-11
the inner rod that is...
« Last Edit: 02:46:27 PM / 11-Jul-11 by DeeTeez »

Offline TX200sx

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Re: How To: S13 Coilovers
« Reply #47 on: 03:10:22 PM / 11-Jul-11 »
Ok, possibly a noobie question. I am looking/planning to buy a complete S13 (I know of one with a bad motor and was told I could buy it for a couple hundred) anyways my plan was to just unbolt the entire front end steering rack the whole assembly and swap it with my stock S12. Do you guys think it would work?

Offline Justin Banner

Re: How To: S13 Coilovers
« Reply #48 on: 05:22:59 PM / 11-Jul-11 »
Ok, possibly a noobie question. I am looking/planning to buy a complete S13 (I know of one with a bad motor and was told I could buy it for a couple hundred) anyways my plan was to just unbolt the entire front end steering rack the whole assembly and swap it with my stock S12. Do you guys think it would work?

From what I understand and have seen, if you use the S13 cross-member, your front tires may stick out too much and have a ton of negative camber. You can use S13 arms on the S12 cross-member, it's been done plenty of times.
« Last Edit: 05:23:16 PM / 11-Jul-11 by Justin Banner »

Offline Deezus

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Re: How To: S13 Coilovers
« Reply #49 on: 08:36:54 PM / 11-Jul-11 »
Im pretty sure you can leave the stock s12 lcas, they are the same as s13/14 theyre all just different lengths.


Deez why the flip are you so smart sometimes.

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Offline DeeTeez

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Re: How To: S13 Coilovers
« Reply #50 on: 12:01:06 AM / 12-Jul-11 »
But is it possible to remove the s12 lcas, because i am wanting to upgrade the tie rods so the stock ones will not bend

Offline David B

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Re: How To: S13 Coilovers
« Reply #51 on: 03:17:08 PM / 13-Jul-11 »
But is it possible to remove the s12 lcas, because i am wanting to upgrade the tie rods so the stock ones will not bend

the aftermarket ones will just break instead of bend. and if they dont break something its attached to will. nature is glorious when you have no suspension travel


IMO, cheap autozone shit lifetime warranty you can always replace when they bend! though ive never bent one.
trust me though, the brand of tie rod you have will NOT really change what happens when you slam into a curb at 40+ mph. stuff breaks


id only use aftermarket rods if you need them for length reasons. if not focus on some adjustable tension rods or some weed
« Last Edit: 03:20:08 PM / 13-Jul-11 by David B »


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Offline radoublely

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Re: How To: S13 Coilovers
« Reply #52 on: 03:01:01 PM / 17-Jul-11 »
Well, we're almost complete on this setup but we wound up noticing a few problems and here's what I ran into.

The rotors on the s13 front are 4 lug and small.  S14 brake system will go on without too much fabrication so start considering how far you want to go into your brake system BEFORE beginning this operation.  My personal set-up is s13 front suspension mixed with s14 brake components.  I found that this was the best time to put on the cross drilled slotted rotors and get the brake lines steel-braided.

You're going to notice that some of the components aren't as sturdy from the s13 as the s12 and so don't be afraid to use this time to begin re-inforcing some of those components (or just make bigger ones, none of the components we had to re-inforce were complicated to fabricate but it's best if you have access to the right shop)

I couldn't find any sway bars... Custom, $500.  No biggie.

Also, you're going to have a hard time adjusting your rear suspension due to the totally different Geometry.  I hear Meghan racing has some good stuff but they were out of stock so I"m sitting on Tiens right now.

Final set-up-
tien coliovers
s13 front conversion
s14 brake setup
cross-drilled slotted rotors
custom sway bars
steel-braided brake lines
Special thanks to Special Vehicle Services in El Paso TX.  Check out http://www.txsvs.com/ for more innovative builds or stop on by and ask them a few questions.

Offline David48

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Re: How To: S13 Coilovers
« Reply #53 on: 10:03:09 PM / 04-Sep-11 »
So in the original post he said he would also do S13 rear coilovers? Was that ever accomplished? I tried contacting henry on his facebook page to ask, but no response :( Has anyone done rears yet?

Offline I_heart_VVL

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Re: How To: S13 Coilovers
« Reply #54 on: 11:48:07 PM / 04-Sep-11 »
So in the original post he said he would also do S13 rear coilovers? Was that ever accomplished? I tried contacting henry on his facebook page to ask, but no response :( Has anyone done rears yet?
here ya go:
http://club-s12.org/v3/index.php?topic=18344.300

basically,
remove pillow-ball tops/spring/perch from coilovers and use the bottom-mount bushing from your old OEM shocks and done.
then you can weld on the spring perch to the control arm and use the same spring off the coilover or just go to daymotorsports.com and buy springs and perches(real cheap)
« Last Edit: 11:57:33 PM / 04-Sep-11 by I_heart_VVL »
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Offline radoublely

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Re: How To: S13 Coilovers
« Reply #55 on: 05:08:03 AM / 25-Dec-11 »
So in the original post he said he would also do S13 rear coilovers? Was that ever accomplished? I tried contacting henry on his facebook page to ask, but no response :( Has anyone done rears yet?

I have s13 coilovers on the rear, but they don't mount up quite like you'd expect.  The height adjustment doesn't sit where you think it will so you'll have to permanently set it at some point.  It's a different suspension.  Like I said earlier though, Meghan racing has a great product for the 900-1000 USD price range but they were out of stock when I tried and they should be adjustable in the rear as long as you do the s13 front conversion.

Once again, 5 lug guys be aware that the s13 is a 4 lug so plan on doing something to correct that (or go s14 setup).  I did a combo, reinforced s13 setup on s14 brakes and then promptly modified.
Special thanks to Special Vehicle Services in El Paso TX.  Check out http://www.txsvs.com/ for more innovative builds or stop on by and ask them a few questions.

Offline Dr.Steels

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Re: How To: S13 Coilovers
« Reply #56 on: 11:22:39 PM / 27-May-12 »
So like deffinitive list of what I need?
I go slideways

Offline pakii-afa

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Re: How To: S13 Coilovers
« Reply #57 on: 08:20:27 PM / 02-Jun-12 »
im going the full s13 route, so s13 lca spindle hub caliper ball joint and tc rod. so far ive got all of that and also s14 tc rod brackets. i couldnt find an s13 sway bar but the guy gave me the s14 one free when i picked up the brackets. can i use the s14 sway bar on the s13 setup? thanks.

Offline Arro

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Re: How To: S13 Coilovers
« Reply #58 on: 01:09:00 PM / 04-Jun-12 »
Here are the facts broken down in simple terms.

Megan Racing does indeed make the best kit, but you will have to convert to S13 front suspension (only front). The rears are uniquely designed for the S12.

You can also create your own adjustable height front and rear suspension. The fronts require some cutting and welding though not much. The rears are 100% bolt-in, using a 5x8" spring and a universal fit adjustable spring perch.

S13 rear suspension is a lot of customization: cutting and welding the unibody. The S13 rear suspension is radically different from the S12 setup. A couple people on here have done it but it's a lot of work unless you are experienced with metal fabrication and like math and measuring.
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Offline pakii-afa

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Re: How To: S13 Coilovers
« Reply #59 on: 02:55:04 PM / 04-Jun-12 »
that doesnt asnwer my question at all lol