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Old 19-05-2008, 20:23   #1 (permalink)
Insane
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What tyre size for S13 on 9J 17 ET30

As above, Got a S13 with 9J 17 ET30 with 5mm spacer on the front. The car is lowered 40mm, not coil overs and standard arches.
Whats the best size in the front and in the back?
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Old 19-05-2008, 21:46   #2 (permalink)
MJG
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225 45 17. Easy to find and cheap if you wanna buy Should fit nicely with a subtle stretch.
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Old 20-05-2008, 13:35   #3 (permalink)
Pikey
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+1 for 225/45s
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Old 20-05-2008, 15:25   #4 (permalink)
charlay
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i wanna go for 235s when i get mine, with a roll/flare and possibly spacing if needed(To clear coilovers) this would work right
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Old 20-05-2008, 15:42   #5 (permalink)
Insane
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Quote:
Originally Posted by charlay View Post
i wanna go for 235s when i get mine, with a roll/flare and possibly spacing if needed(To clear coilovers) this would work right
Thanks guys
Since I don´t want to roll/flare the arches I might go for 225/45 then, they´ll fit without a roll/flare, right?
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Old 20-05-2008, 16:00   #6 (permalink)
RyanH
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How does a 225 fit a 9J and have a stretch? It's been confusing me for a while now!

225 = width of tyre in mm
9 inches x 25mm = 225mm

If they're the same, then why is there a stretch? I know there IS a stretch coz I'm runnin 225s on my 9Js, I just don't see how?
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Old 20-05-2008, 16:02   #7 (permalink)
chunk
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It's witchcraft
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Old 20-05-2008, 16:26   #8 (permalink)
MJG
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Just the weird way they measure it all, it doesn't make sense that a 195 fits a 7j flush with a slightly "on the small side" look about it when 195 is practically 8".
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Old 20-05-2008, 16:42   #9 (permalink)
tetsujin
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tyres and rims are full of voodo magic.

Like, whey a 14 inch tyre (or any tyres really) actually has an inch LARGER diamiter that the tyre size. So, a 14 inch tyres diamiter from bead to bead is 15 inch.


Strange.

Jut do what other people do ad just use what works

(I dont know anything about tyres etc above 15inch).



Quote:
Originally Posted by RyanH View Post
How does a 225 fit a 9J and have a stretch? It's been confusing me for a while now!

225 = width of tyre in mm
9 inches x 25mm = 225mm

If they're the same, then why is there a stretch? I know there IS a stretch coz I'm runnin 225s on my 9Js, I just don't see how?
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Old 20-05-2008, 19:02   #10 (permalink)
gaz_moose
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id say 215/45
but you could go with the man who has a bmw and the man who has a skyline' 225 choice.
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Old 20-05-2008, 19:11   #11 (permalink)
MJG
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Trust the moose. Although his exclusive tastes might leave you struggling to find such tyres.
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Old 20-05-2008, 19:27   #12 (permalink)
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Quote:
Originally Posted by RyanH View Post
How does a 225 fit a 9J and have a stretch? It's been confusing me for a while now!

225 = width of tyre in mm
9 inches x 25mm = 225mm

If they're the same, then why is there a stretch? I know there IS a stretch coz I'm runnin 225s on my 9Js, I just don't see how?

Its because of the way the tyres/ rims are measured. tyres are measured by the tread width, and rims the inside of the rim width, but the tread on flush tyres over laps to the outside of the rim if that makes any sense
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Old 20-05-2008, 19:31   #13 (permalink)
gaz_moose
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indeed but i doubt the particular gentleman in question will shop at the same end of the street as a man of your status and calibre sir michael of the shire.


black and round gets my vote
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Old 21-05-2008, 14:56   #14 (permalink)
Mike@TDSW
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215/40 215/45. I dont believe for a minute that a 225/45 will stretch on a 9j. I have 215/45 on my 9s atm and I think the stretch is weak, going for 40 profiles tomorrow.
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Old 21-05-2008, 15:33   #15 (permalink)
MJG
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Subtle stretch, as in it fits nicely. The tyre rim protector still sticks a couple of mm over the rim but the sidewall is visibly angled.
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Old 22-05-2008, 21:05   #16 (permalink)
pizzaboy
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Quote:
Originally Posted by steerfromtherear View Post
215/40 215/45. I dont believe for a minute that a 225/45 will stretch on a 9j.
Behold...my witchcraft! I've got 225/45s on a 9j rim which = stretchzorrrz (dunno how).

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