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18x 10 in the rear *getting new track wheels possibly* ideal offset

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Old Sep 26, 2007 | 02:21 PM
  #21  
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here is my +20 10.5 rim...



sticks out.
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Old Sep 26, 2007 | 02:23 PM
  #22  
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I have 18 X 10 +18 and i wish I had gotten something like a +25. With a +25 I could fit 295/30 in the rear without being worried about rubbing.
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Old Sep 26, 2007 | 02:24 PM
  #23  
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I have a 275 and doubt i could fit a 285-295 without running a lower profile.
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Old Sep 26, 2007 | 02:25 PM
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Originally Posted by Motormouth
true, what about handling characteristics?

even changing the width of the tires on a stock rim/track has effects on all sorts of things.

also, do you have a current pic of your rims? I can't remember what it looked like at the final suspension settings.
i have pics of rims @0 offset, new pics soon when i install my new front bumper.

handling can be thrown in so many directions if you dont research enough. fundamentally, from my go kart/track experience, usually wider front track can lead to oversteer and wider rear track leads to understeer. its all about balance and what the driver wants out of his/her car.

my personal vote would be 18x9+5 18x10 0

btw motormouth, clean and simple car-love it
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Old Sep 26, 2007 | 02:31 PM
  #25  
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thanks, soon it will be better.. coilovers, my bodykit installed... mmmm... everything clean though

and don't get me wrong, I love the low offset look like you have, but for the track... I mean, you are talking about alot of suspension compression and side loads on the tire wall...

and yeah, karting taught me the same!! wide front track and you are SPINNING hahahah... so funny.
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Old Sep 26, 2007 | 02:39 PM
  #26  
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Ur right, probably need +30 for 295. I think I can just barely fit a 285/35/18
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Old Sep 26, 2007 | 02:46 PM
  #27  
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Originally Posted by plumpzz
Ur right, probably need +30 for 295. I think I can just barely fit a 285/35/18

you have +18 right? if so there is plenty of room for 285/35, 295 and you may have to roll your fender.
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Old Sep 26, 2007 | 02:47 PM
  #28  
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Im lowered 1.5 inches. I would rub if i didnt have my fender cut (rolling rubbed!) with 275/40/18. With 285/35/18 i should be good, but 295 would be pushing it
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Old Sep 26, 2007 | 02:53 PM
  #29  
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Originally Posted by plumpzz
Im lowered 1.5 inches. I would rub if i didnt have my fender cut (rolling rubbed!) with 275/40/18. With 285/35/18 i should be good, but 295 would be pushing it
I was lowered with tanabe gf210's and never rubbed with 285/35/18's. No fender modifications at all. Camber in specs too
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Old Sep 26, 2007 | 07:19 PM
  #30  
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thanks for the feedback ill probably go +15 my car is pretty much a daily / track car though i havent seen a good track day in months due to the emptiness of the wallet but hopefully soon


appreciate it folks !!!
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Old Sep 27, 2007 | 12:31 AM
  #31  
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Originally Posted by Boneout JZA80
the front offset is fine for the track wheels ill be getting next it is 18 x 9 -22 but the rears are 18 x 10 my choices are -25 or -15 i would want the lowest possible but im not the greatest guy with offsets... your advice would be appreciated

thanks
There you go, fixed that for you . And you should go with the -25
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Old Sep 27, 2007 | 12:35 PM
  #32  
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Get the +15.

The lower you are the better the aggressive offset is, just rememeber to roll your fenders though.

With my time attacks, the rear coilovers are adjusted to the lowest setting and this is a 19x10.5 +22 offset and the rims rubbed against the coilover on the inside because of the sick camber from the drop. I need a spacer now to avoid rubbing on the inside. The fender is rolled and has plenty of room.

Aggressive offsets FTW!

I can't wait to put those 5 zigens on my ride Ben.
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Old Sep 27, 2007 | 12:37 PM
  #33  
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why did you not get camber adjusters and remove some of the camber so you didn't contact the coilover?
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Old Sep 27, 2007 | 12:45 PM
  #34  
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Originally Posted by Motormouth
why did you not get camber adjusters and remove some of the camber so you didn't contact the coilover?

Z's love negative camber. Besides it's not too bad at this point. It only rubs when entering parking lots in weird angles. I'd rather just get a 5mm spacer and not deal with it. I've lifted the suspension for now temporarily.
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