Breaking my vow of never posting for this one. Car and myself went through a few mid-life/indentity crisisis this year and I have an unattractive mess on my hands.

So...

S-tune suspension
+
275/40/17 X 4
=

Livable front/ jacked up (literally) rear.

I can't figure out why its that high and the math is giving me headaches.

Its sitting pretty much at stock ride height 26.4/27.5 (spec is 26.81/27.56).
The tires are 25.7 overall diameter uninstalled 25.ish on the wheels.
Stock tires are 25.9/26.3 uninstalled; not sure about mounted.

At this point I'm probably going to get SLP mid-links+camber arms/swift springs matched to the front rate and drive it till tax time and then finish with __?___ coil-overs and the rest of the SLP goodness.

Any insights/temporary solutions/commiseration/flaming/joking/etc is welcome.

 

Looks like a truck my friend!

 

good lord, put some superswampers on that bish

 

It is an optical illusion because your tires are same diameter all around. Its filling more than stock gap in the front, and less than normal/stock in rear. It just appears higher in the rear.

Springmount mod for temp fix of the rear. take 1/2 to 3/4" off the mount. Dont waste money on swift springs and just wait for coils.

Change front tires to smaller diameter for perm fix after coils.

 

Wow!

First post in almost 7 years!

Hahah, this is great!

 

I also ran the numbers, and like you, the numbers and the photos do not match. The rear springs are properly installed? The spring-seat is correct?

 

Thanks David,

I threw a friends shop a bone for the install. I'll pull it apart tomorrow.

 

wow, what happened lol

 

ha ha...

Members have a habit of installing this progressive spring upside-down.

 

I checked spring orientation today. I think Nismo means something in Spanish so that probably helped.

 

Oo I missed the part about u being on stune. So was that it? Are they upside down?

 

17s... that is the optical illusion

 

Yeah, someone told me once that nismo in Spanish means, "the same."

 

Throw 275/40-18's on the rear and the illusion will go away. It will also handle real well.

 

A couple times at Cal Speedway and WSIR I had 350Z guys come by and tell me my car was sitting too high and that I needed to lower it to make it handle better.



They still said the same thing after I ran laps 6 to 9 seconds faster then them and their lowered cars. BTW... in that picture the car is running 285/30-18s all around on stock springs.

 

There's autocross at the Coliseum this Sunday. If nothings wrong with the springs I'm going.

 

Took driver's side apart, no 1" block of wood under spring like I was hoping.

Almost cut the mounts but didn't have a precise way of doing it. Also it seems ghetto.

Can someone measure a stock 17" with 235/50 overall diameter for me?

This is so I can compare what my theoretical S-tune+stock wheel tire gap is to pictures of other S-tune/stock gaps.

 

http://www.1010tires.com/TireSizeCal...?action=submit here you go

 

That's uninstalled/no weight on it. The 275/40/17s I have are listed at 25.7 total diameter. On the car they are just over 25. So the stock tires are 26.3; I'm assuming they compress similar to about 25.7...so I gain .6ish wheel gap. Right now it does need gas but I measure at:
Front 26.25 with 1.5 gap.
Rear 27.75 with 2.75 gap.

The ride height does not make sense. It should be -.8 from the springs and -.35 from the sidewall reduction.

 

When I swapped from my 255/35/19's front, 285/35/19's rear to 255/40/17 all around (Before I dropped it and had it realigned) I looked liked I was driving a 4-wheel drive 3/4 ton Z.