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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 01-07-2017, 02:36 PM   #7261
MyblackS13
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Looks like Strange Engineering struts on the drag car, spindle integrated into the bottom of the strut.
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Old 01-07-2017, 03:10 PM   #7262
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it's using typical promod/A-arm for front suspension. Not much left of that car that's actually 240sx. He's got a build thread on ka-t.org


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Old 01-08-2017, 01:38 PM   #7263
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That doesn't make sense. I'm running +25mm s13 flca, GKTech RC kit and 17x10+0 up front and I don't rub on anything.
I have a similar setup and 7.5deg of caster: I rub front bumper / fender in that same area.
285's tho...

Rocket bunny front flares, so another 50mm wider than my previously rolled fenders.
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Old 01-11-2017, 01:26 PM   #7264
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These are the coolest extended FLCA I've ever seen. They are also priced amazingly:



https://technotoytuning.com/nissan/s...arms-s13-240sx
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Old 01-11-2017, 05:46 PM   #7265
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This is the roll center, suspension pickup, and steering angle modification thread.

Look cool, and heavy. Also no inner heim joint so caster adjustment is limited. Weird that they're wider than stock.


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Old 01-12-2017, 08:00 AM   #7266
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yeah, the lack of inner heim makes me flaccid.

the increased width would limit drift applications, but could be nice for road racing.
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Old 01-12-2017, 09:16 AM   #7267
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Anybody see the new grip oriented knuckles from GKTech? Probably going to be selling my GKTech drift knuckles for those.
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Old 01-19-2017, 03:42 PM   #7268
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Anybody see the new grip oriented knuckles from GKTech? Probably going to be selling my GKTech drift knuckles for those.


I'm about to purchase their front set and they only sell the V3 on their site? Am I missing something? PBM came out with a new set is that what you mean?
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Old 01-19-2017, 07:26 PM   #7269
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In-cabin adjustable rear sway bar on Chris Forsberg's Z. I'm guessing there's a cam profile inside that tube.

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Old 01-19-2017, 09:37 PM   #7270
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Acostal Motorsport Development kit. First I've ever seen of it.

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Old 01-20-2017, 07:10 AM   #7271
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I'm about to purchase their front set and they only sell the V3 on their site? Am I missing something? PBM came out with a new set is that what you mean?
They posted it on their Instagram. They're not for sale yet.
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Old 01-20-2017, 07:16 AM   #7272
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Quote:
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In-cabin adjustable rear sway bar on Chris Forsberg's Z. I'm guessing there's a cam profile inside that tube.

IIRC, an adjustable swaybar like that works because as you rotate that flat endlink, it's resistance to bending changes. No need for a cam profile.

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Acostal Motorsport Development kit. First I've ever seen of it.
Yeah it's been out for a while. The cost is a little exhorbitant IMHO, but it's interesting to see a caster-biased kit. Stewy loves caster haha.

One of these days I'll update the OP, I swear, hahah.
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Old 01-20-2017, 12:08 PM   #7273
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Quick question guys. I am putt on my front driftworks knuckly. The top of the spindle is hitting the bottom bracket of the coilover ever so slightly.

I have two options,

1. flip the coilover bracket

2. grind a little of the knuckle <1.5mm on the edge. (I went with this one, but the coilover bolts on a little tight to the knuckle...

What you guys think?

Thanks!
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Old 01-20-2017, 12:45 PM   #7274
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Anybody see the new grip oriented knuckles from GKTech? Probably going to be selling my GKTech drift knuckles for those.
I'm definitely getting a set.
It'd be cool if they made the steering arm a touch shorter to speed up the steering a tiny bit.
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Old 01-20-2017, 09:33 PM   #7275
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So get the drift knuckles lol.


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Old 01-22-2017, 11:03 AM   #7276
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So get the drift knuckles lol.


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The ackerman setup on the drift knuckles doesn't work well for road racing.
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Old 01-23-2017, 06:40 AM   #7277
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I currently have the GKTech drift knuckles but I autocross, not drift. They're better than stock knuckles for me but the grip knuckles would be even better in my case. If you want the extra lock and adjusted ackerman, go drift knuckles, if you just want the fixed geometry, go grip knuckles.

Slider, I'd say you're fine having ground off a bit of the knuckle, those things are pretty beefy and 1-2mm isn't gonna change much.
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Old 01-23-2017, 01:53 PM   #7278
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So get the drift knuckles lol.


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Umm.
No.

I don't want fast as hell steering while going 100+mph.
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Old 01-23-2017, 02:08 PM   #7279
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Quote:
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The ackerman setup on the drift knuckles doesn't work well for road racing.
Where are you getting this?

Quote:
Originally Posted by Razi View Post
Umm.
No.

I don't want fast as hell steering while going 100+mph.
You've never driven a car with shorter tie rod pickups have you? You still have 2.25 turns lock to lock, it's nothing crazy.
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Old 01-29-2017, 12:38 AM   #7280
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Been looking into getting an angle kit for my s13, and came across the "Unicorn Angle Kit"
LINK:http://www.driftknuckles.com/product...corn-angle-kit

Seems to be a pretty basic setup just seems the rank would over center like a mofo, can't seem to find any reviews or anything online of it, any feedback?
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Old 01-29-2017, 09:14 AM   #7281
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^^if they have cut and shut the knuckles like we do over here then you would want to move the rack forward an inch and not a few MM like those offset bushes do^^.
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Old 01-30-2017, 05:28 PM   #7282
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I've searched Silvia and google and can't quite get an answer. I've messaged gktech and pbm and they both vary from answers.

The pbm top camber plate (16mm) and spacer (7mm) according to pbm are able to be used and would avoid cutting of the strut top.

According to messsges from gktech they say you will need their top plate (20mm) and if it's an s13 a 8mm spacer in order to not cut the strut top.

Short story pbm says 23 mm clears gktech says 28mm has anyone actually purchased either of these sets would like to elaborate on which is the correct one or what makes them vary in size other than I assume the allowable clearance of the dampener screw top.
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Old 01-31-2017, 08:37 PM   #7283
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They're probably both correct due to design differences between each brand's plate. PBM's requires the 23mm to clear and GkTech requires 28 like they said. Doesn't mean either is incorrect it means they're designed differently.


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Old 02-12-2017, 09:24 AM   #7284
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Who does rack relocations in the states?! Price helps too!
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Old 02-12-2017, 01:17 PM   #7285
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Quote:
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I don't want fast as hell steering while going 100+mph.
Quote:
Originally Posted by PoorMans180SX View Post
...a car with shorter tie rod pickups... still [has] 2.25 turns lock to lock, it's nothing crazy.
Agreed. I had MA Motorsports knuckles and a HICAS steering rack. There was a ton of angle (too much actually); but honestly, the steering response didn't feel any different than stock. Not twitchy or anything.

Also, I know these are terribly wrong, but not sure exactly how. I figured you guys would have fun tearing them apart.

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Old 02-12-2017, 02:13 PM   #7286
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Those arms hurt my eyes. They will sit flatter/lower like they are correcting roll center, but the centerline of the ball joint to the centerline of the spindle is all that matters. Plus putting the kink in the arm introduces a potential bending stress since there is no longer metal in a straight line between the ball joint and the pivot pt of the bushing.
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Old 02-12-2017, 04:15 PM   #7287
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Who does rack relocations in the states?! Price helps too!
The guys at HeatMaker helped me with a rack relocation. Moves rack brackets 25mm forwards.
225

Link:
http://heatmaker.bigcartel.com/produ...nt-crossmember
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Old 02-27-2017, 02:22 PM   #7288
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Just FYI guys, over the course of this week I'm going to be overhauling the original posts, so if they're all jacked up for a bit, you now know why, haha.
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Old 03-03-2017, 08:34 AM   #7289
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Driftworks just released pre-orders for Geomaster V3! compilation with wisefab. Drift and grip settings on front knuckle. New rear knuckle with revised kinematics.







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Old 03-04-2017, 01:36 PM   #7290
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First two posts updated. Let me know what you guys think, or if you have any input!
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