V36 General Tech Questions Questions and Posts that Do Not fit under the other Tech catagories

245/45/18 or 235/50/18 on all four corners?

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  #16  
Old 08-14-2008, 03:13 AM
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would really appreciate your help here gang. i'm at about 22K mi on a '07 g35s with the original sport package oem wheels. it appears they're getting ready to be replaced. been doing lots'o research for staggered tires that fit.

will these work?

225/45/18 & 245/45/18 NANKANG NSII G35 UHP TIRES

I can get these for a nice deal at about $300 TOTAL after cashback on live.com, so a pretty good deal all around. but i've been seeing some talk about it being better/smarter to go with bigger tires up front?

i'm a newbie, so go easy (if you want) and tell me what you'd do? I'll post pics soon.

thanks, the angrybulldog
 
  #17  
Old 08-14-2008, 09:06 AM
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Again, you're going to have to use a 225/50 with a 245/45 rear due to the overall diameter needs to be pretty close to each other. all you have to do is find the tire, look at the specs and see the diameter... if it's off 3/4", then it's probably too much. I'd much rather put 245s on front and rear rather than go with such a narrow front. handling will be improved.

Originally Posted by sredish
The VDC (traction control) monitors revolutions per mile on the front and rear tires for wheel spin and they need to be close to matching. if they're off much, it won't be happy and think the wheels are spinning.
 
  #18  
Old 08-14-2008, 09:19 AM
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i looked at mine and i have 225's on the front and 245's on the rear and i dont have any problems with vdc...i dont know if mine came like that though or if they were replaced...i have the factory sports for a 03
 
  #19  
Old 08-14-2008, 09:22 AM
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you have 225/45s or 225/50s? there's a 1" difference there. our stock tires are 225/50 fronts and 245/45 rears...

he was asking about 225/45 fronts which are 26" tall and then the 245/45s on the rears which are about 27" tall.

my point for going with 245s front and rear is the added width of the 245/45 over the 225/50 is going to add more stability and handling, so why not if you have the chance.
 
  #20  
Old 08-14-2008, 10:09 PM
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Well I just couldn't pass up those BFGs for $77 so I ordered them today (against everyones advice )
I don't get too wild in this car and the tires were well reviewed so I think they'll work out OK. I'm putting another 2k on the Potenzas before I get them installed, but I'll post my opinion on them when they're on. The BFGs seem to be a solid all-season Zrated tire and even though they're 235/50/18s I think the slightly wider front and narrower rear shouldn't be something I can't live with.
I crunched the numbers and compared all the tire sizes available at discounttire.com and only the Goodyear F1s would work as stock. I was a bit more concerned about going 20mm wider on the front than 10mm narrower on the rear so I went ahead and ordered them. If it turns out bad, we;ll it was a $400 lesson learned, but I think the G will still rip just fine
Thanks for your opinions BTW, much apreciated
 
  #21  
Old 08-14-2008, 10:29 PM
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the widths aren't the potential problem, the overall height is. what size rears did you get again?

Edit: oh wait, you went the 235s all around. that'll work just fine, again, as long as the overall height is the same, it'll work, which in this case it is, so it will.
 
  #22  
Old 08-14-2008, 10:55 PM
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It'll work fine, as long as the larger bulge up front doesn't bother you. And you may lose a bit of traction in the rear. You shouldn't have a problem spinning those snow tires.

FWIW, even though tires seem expensive (because you pay so much up front), it's actually one of the cheaper parts of car ownership. They cost you about 2.5 cents per mile. Compare that to gas ($4/gallon, city driving) at about 23 cents per mile.
 
  #23  
Old 09-04-2008, 02:58 PM
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OK, got the new 235/50/18 BFGs installed today, here's some picks to show how they look & fit. They ride very smooth and the overall road noise is less, haven't got too loose w/ the car yet but gave it a couple good runs and the grip is pretty impressive





 

Last edited by blnewt; 05-25-2011 at 05:16 PM.
  #24  
Old 09-04-2008, 06:16 PM
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Not too bad.

Just be careful about running over curbs with the rear tires. You can get curb rash pretty bad now.
 
  #25  
Old 09-04-2008, 09:50 PM
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Thumbs up

I like the looks of those!!!
 
  #26  
Old 09-04-2008, 10:02 PM
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Originally Posted by silverG2007
Not too bad.

Just be careful about running over curbs with the rear tires. You can get curb rash pretty bad now.
Actually I got a bit of curbrash on my right rear wheel when we first got the G The slightly taller BFG sidewall makes up a bit for the narrower tread, so the "bulge difference" is pretty minor although the rim protector on the BFGs isn't as substantial as the rim protecting ridge on the Potenzas. I'm going on a 1600 mile round trip soon so I'll post my opinions after some more seat time, but so far they seem like a pretty nice tire .
 
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