Anyone have a setup of 15mm spacers in front and 20 rear?

Mike

no, just 15s in front. I had 20s rear originally, but they didn't work out due to the clearance issue, and I had ichiba 15s originally, but the hubcentric rings weren't deep enough for the nismo's, so I switched to 15 H&Rs

I do have a set of 15mm type 1 with studs and 20mm type 2 ichibas available for cheap if anyone wants them. The outsides are also powdercoated satin black so they don't stand out.

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spearfish25

At this point, I can't figure out what you sizes you guys are actually running right now...

Can we consolidate with each of you posting your current setup?

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Mike

Mike
Sport 19s (or same as)
15mm type 1 H&R front
25mm type 2 Ichiba rear

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NISSAN: 75 280Z / 86 300ZX GLL /87 Sentra SE / 03 350Z / 23 Z
Porsche: 93 968 / 23 Macan GTS / 93 968

RCZ

Sport 19s
15mm H&R Trak+ DRS Front
20mm H&R Trak+ DRS Rear

Silo

You can go 20mm all around, no rubbing even with lowering springs. This is using Eibach System-6 spacers which have the pressed-in studs and are installed within minutes:

http://eibach.com/eibach/img/prod_prospacerlrg.jpg

There is just a slight issue on the front wheels (speaking about the 19" OEM wheels). The OEM studs are a few milimeters too long and hit a spot where the pocket is not equaly deep. It can easily be corrected:

Installed images.

JB1

Mike and RCZ, did you notice your cars being more "tail happy" after the spacer install? From what I have heard and read, increasing rear track width relative to the front will increase oversteer. Mike increased the rear by 10mm, RCA by 5mm relative to the front.

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m4a1mustang

I just ordered H&R 15mm front and 20mm rear, both DRS.

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m4a1mustang

That's what it should do.

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Mike

I brought the car home from the dealership when I bought it, raised it in the air and swapped out wheels, springs, sways and put spacers on, so I have no idea how the car was stock. Also, I run the same size tires all around on the track, and yes, the car is very tail happy, but I want it that way.

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RCZ

I have a custom alignment, different tires, sways and a different suspension. Also I installed sways at the same time as spacers, so I have no idea. The car is pretty tail happy though, I haven't taken it to the track with the new setup yet.

ZForce

Sport 19's
15mm H&R Trak+ DRS Front
25mm H&R Trak+ DRM Rear


Eibach springs
SPC Rear Camber Kit
Stock tires

Still waiting to install them.

So guys, with this setup I understand the rear is tail happy with understeer. Which sways would you recommend (Stillen ??) with Eibach springs and would sways correct the understeer and bring it back to a OEM setting or even better feel? Forgive me if I sound naive on the sway setup and function I am still learning this.

RCZ

^ What kind of alignment do you have? The front-to-rear camber ratio is a big factor on the behavior of the car. I can't assume you have stock settings because you will be lowered and have only the rear camber kit. If I had to speculate and you did you alignment right, the front camber should end up around -1.5 and the rear can be adjusted to -1.2 or so. Assuming thats the case, you should have a little bit of understeer with that 10mm spacer offset you created.

I would say that adding Stillen swaybars would balance out the car nicely. If you want more control, you should get an adjustable bar setup such as the hotchkis.

There are a lot of "ifs" in there though. Make sure you get an alignment after everything is installed. Since you aren't going to gain THAT much negative camber in the front, I'd say keep the rear within .3 degrees closer to 0 than the front.

Others might have other suggestions, but thats what I would aim for..

m4a1mustang

I think you are confusing understeer with oversteer. Understeer is "tight" and oversteer is "loose."

Aftermarket sways are going to be stiffer than stock. A stiffer rear bar is going to free up the rear of the car adding some oversteer depending on how big of a bar you go with. A stiffer front bar will tighten the front of the car up and can induce understeer if you go too stiff -- it's all about finding the right balance.

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marcussoori

Someone mentioned tailhappy and understeer as a result of these spacers. How is this possible?

Also, don't spacers hurt the wheel bearings, i.e. the wheel bearings wear out much faster? I like the look, but don't want to negatively affect the factory maintenance intervals.

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RCZ

^that someone was a little confused.

Granted you CAN have a car that swings from understeer to oversteer all over the place and depending on the situation. Thats usually the result of a very poorly setup car...or a car thats not meant to be getting into understeer/oversteer situations.

Spacers dont do that. Depending on how much wider you go in the rear than in the front, you may induce a little understeer, but you wont kill the handling.