Joe clan

This might already be on here but I was wondering if the rear wheels will fit on the front? I hate that the front are a different size then the rear and makes rotating them a pain when you have to pull the tire off the rim just to rotate.
Stock rims front-18x8 rear-18x8.5.

Do not want to upgrade rims just wanting to make life easy.

I was looking at getting a rear set 18 x 8.5 so 245x45x18 for front also will the off set be an issue? Has anyone done this?

dcains

iTrader: (15)

There's a pin you need to remove from the front brake rotor before a rear wheel will fit. You'll see it when you pull the wheels off.

jhc

If I understand correctly you want to run stock 8.5x18s all around. Yes, you can. You need to remove the 10mm bolt from front hubs. What you describe will not rub.

dboyzalter

iTrader: (3)

Unless you have a base model running all the same sized tires will be an issue... Theirs a dude on here running back anniversary wheels on all 4 corners... Think he has 245-40 front and 265-40 in back... Not 100% on tire size.

iideadeyeii

iTrader: (6)

If you have two sets of(what I am assuming) 18" track wheels. I might be interested in 4 fronts 18x8.

dboyzalter

iTrader: (3)

Track wheels are not that easy to find my money is on anniversary wheels...

I almost got a set of track wheels for $450... Kinda kicking myself now for not getting them.

Joe clan

I have 18" anniversary wheels. I have a 2008 enthusiast. Stock everything but exhaust. Any one know were I can get 2 rears in good shape for a good price? That might be the route I will go if they do not rub.

dkmura

iTrader: (64)

Getting bargain tires is tricky and best handled locally to allow for a close inspection and avoid shipping charges.

dboyzalter

iTrader: (3)

Always up for grabs on craigslist or check your regional marketplace on the forum... I got a set for $450... Sometimes they go for higher some times they go for lower... Can also check the junk yards. Lots of 350z's end up in a ditch somewhere if you just need the back 2 you might get lucky.

Keep in mind that if you just want them so you can run all 4 of the same tires for rotation purposes your going to have problems with your slip light coming on and power being cut.

Joe clan

Why would the slip come on and cut out?

dboyzalter

iTrader: (3)

Because the car is set up to run a staggered tire setup when you change that staggered set up to a non staggered set up the car thinks the wheels are slipping throws the system shows the light and cuts power...

dboyzalter

iTrader: (3)

Default Also.. Q: What size tires should I buy?
Q: The "Slip" light come on randomly, especially in turns, even though my tires aren't slipping. What's up with that?
A: Both the Traction Control System (TCS) and Vehicle Dynamic Control (VDC) can cause the "slip" light to come on. There are a couple of things that can make it come on even though you don't feel/hear your tires slipping.

The most common cause for this behavior is replacement of the OEM tires with a different size. All Zs come with staggered tires, that is to say the fronts are a little shorter than the rears. This causes the tires to rotate at different rates which TCS and VDC depends on for normal operation. If you install tire combinations that don't maintain that stagger, it can cause problems for TCS/VDC resulting in the "slip" light illuminating.

The stock tire sizes and Outside Diameters are:
225/50/17 25.9"
235/50/17 26.3" (0.4" stagger)

225/45/18 25.9"
245/45/18 26.7" (0.8" stagger)

245/40/18 25.7"
265/35/19 26.3" (0.6" stagger)

265/40/18 26.3"
285/35/19 26.9" (0.6" stagger)

When choosing new tires, try to find front/rear pairs that maintain the stagger of at least ½" and less than 1". You should also look for front/rear setups that maintain the same OD as that will keep your speedometer and odometer accurate.

Here are the most common "upsized" tire combinations. These are known to work and keep TCS/VDC happy.

245/40/18 25.7"
275/40/18 26.6" (0.9" stagger)

245/35/19 25.8"
275/35/19 26.6" (0.8" stagger)

255/35/19 26"
285/35/19 26.9" (0.9" stagger)

245/30/20 25.8"
275/30/20 26.5" (0.7" stagger)

Check the manufacturer's website to find the Outside Diameter of tires before you buy them, or use one of the online tire calculators:
http://www.miata.net/garage/tirecalc.html
http://www.wheelsmaster.com/rt_specs.jsp


A less common cause for the "slip" light to illuminate comes from replacing the fronts or rears only. If you replace only the fronts or rears, the stagger may not be what you think it is because the other worn pair is actually up to ½" smaller than they were when new.

New tires also come with a release agent on the surface of the rubber that must be worn off. That makes them slick and can result in your tires actually slipping, hence the "slip" light.


NOTE: The slip light does and will come on during "normal" driving that is unrelated to tire size or wear. If you apply too much throttle when launching or going around a turn, the wheels will slip and cause the light to illuminate. Also, driving on slick road surfaces (water, oil, rocks) can also cause your tires to slip.
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Last edited by DavesZ#3; 04-12-2010 at 06:21 PM

Joe clan

Wow, 225 to 245 would make it do that! Is there a way around it? Like to permitly cut the switch off? Maybe replace the push button with a toggle switch so it is always in the off position. Then you could throw the switch to on if you ever go back or during winter?

dboyzalter

iTrader: (3)

To disable it you need to take your abs fuse out, disables the system but also disables your abs system... The warning lights will always be on. That button doesn't exactly disable the whole system.

Long story short you should learn to live with the stagger.

Joe clan

Gay. Lol

jhc

Go, Matt

dboyzalter

iTrader: (3)

Haha Go Mike Thanks John...

jhc

Excellent advice Mike, as always.

VenomGT9

iTrader: (1)

Sports car struggles