2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

255/40-17 on the rear?

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Old Oct 12, 2003 | 07:45 PM
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255/40-17 on the rear?

this is on an 8 inch wide rim. on the front i will be putting 235/40's on. i know it's not for an NA, but i don't care..

i don't think the front will be much of a problem, but the rears some guy (can't use the search right now) put 265's on...
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Old Oct 12, 2003 | 08:13 PM
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if the offset is right. i don't know about going that wide on just a 8" wheel though.
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Old Oct 12, 2003 | 08:17 PM
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I am running 235 40 17 and 255 40 17 on 17x8 and 17x9 wheels respectivley.


Daniel
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Old Oct 12, 2003 | 08:21 PM
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great then.. yeah, they are the right offset. they are the mustang 5 spokers. i saw 275's on a mustang with the same wheel.. it looked mean. heheh, buuut i am in no way gonna do that.
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Old Oct 12, 2003 | 08:23 PM
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oh, any pics Daniel? i bet it looks seeexy
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Old Oct 12, 2003 | 11:44 PM
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i got 255/40 in the back.. it rubs the exhaust shields in hard cornering. i dont know about the 235s in the front tho.

eddie
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Old Oct 13, 2003 | 12:04 AM
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255/45's out back here. No problems. If it rubs the shields, u can just push the shield back by hand and its fine.
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Old Oct 13, 2003 | 12:16 AM
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Originally posted by Sir Rupert Hobo
great then.. yeah, they are the right offset. they are the mustang 5 spokers. i saw 275's on a mustang with the same wheel.. it looked mean. heheh, buuut i am in no way gonna do that.
How do you know they are the right offset for our cars? I believe they have some low offset like +26 or something, which should work but I'm not sure.
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Old Oct 13, 2003 | 12:32 AM
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i'm 100% sure they're the right offset

there was a thread not too long ago about it.

i think it was somewhere close to +40...
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Old Oct 13, 2003 | 12:52 AM
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Well the ones I was referring to were the cobra rims, my bad. Anyways, I'd be completely sure. But with the rears, you shouldn't have a problem. The fronts are what I'd worry about.
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Old Oct 13, 2003 | 01:01 AM
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error!

Last edited by OC_; Oct 13, 2003 at 01:05 AM.
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Old Oct 13, 2003 | 01:03 AM
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yeah, i wanted as much tire as possible without rubbing in the front. that's why i want the 40 series instead of 45.

Ryde, you sound like you're in the hunt for some cobra rims
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Old Oct 13, 2003 | 01:51 AM
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Why would you want to do that and waste your money? Is it just about looks? The tire is unnecessarily wide, and it's just added weight for an NA to push around. A 255 is not recommended on an 8" rim, and it'll look like old hot rod rear fat tires, which does nothing for cornering as the sidewalls will squirm under load.



-Ted
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Old Oct 13, 2003 | 01:54 AM
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I run 235/45/17 all around. 255 in the rear shouldn't be a prob.
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Old Oct 13, 2003 | 11:47 AM
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ted, i've seen it done before.. not on our cars though and it doesn't look out of place. it looks great. like i said above i don't care about the added weight. i was thinking of going 245 in the first place so why would it be that much of a difference going 255 instead?

i'm just so damn sick of having that HUGE gap in the rear wheel wells. it looks whimpy as hell and it's about to be gone
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Old Oct 13, 2003 | 11:56 AM
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heh i know a guy with 275x17x45 in the rear and 255x17x45 in the front on his 91 GTU, not sure the offset of the rims but it sure does look clean
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Old Oct 13, 2003 | 01:09 PM
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Originally posted by RETed
Why would you want to do that and waste your money? Is it just about looks? The tire is unnecessarily wide, and it's just added weight for an NA to push around. A 255 is not recommended on an 8" rim, and it'll look like old hot rod rear fat tires, which does nothing for cornering as the sidewalls will squirm under load.
-Ted
......
Every aftermarket wheel I have used on my cars wieghs far less than any stock wheel combination, even my 275/40/17 on Enkei rims wieghs far less than any of the wheels any of my rx-7's came with... There is a difference of 5 lbs between the my TII oem's and my current rears...
I also disagree that 255 is to wide for an N/a, my n/a could easily have used 255's at the dragstrip last year, and who knows, what if he goes to an N20 kit or does turbo kit, I hate buying rims and tires twice...
Ford does the 245 on the the 17x8 rears from stock, 255 is probably not that bad of fitment depending on brand, plus it would afford the rim more protection from curbs and such..
I am a fan of as much rubber as possible, with my TII on 225's I use to get wheel spin all the way through 3rd gear , with the 275's its far more driveable, no use having power if you can't put it down.. With my N/a sometimes 225's aren't enough, you have to launch n/a's pretty hard, and the wider the rear tire the better stick you get...
Sir Rupert, here are some pics for you....
Thats an n/a with 225/50/16's on 38mm offset rims


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Old Oct 13, 2003 | 01:14 PM
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TII with 275/40/17's on 35mm offset 17x9's...
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Old Oct 13, 2003 | 01:18 PM
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235/45/17 on 17x8 fronts..


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Old Oct 13, 2003 | 01:22 PM
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oh... my ... GAD! that looks so good.
thanks for the pics.

is your car lowered any?
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Old Oct 13, 2003 | 01:25 PM
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The TII is dropped about 1" in rear and about the same in front, the tires still looked good even at stock ride hieght though, IMHO the 35 mm with staggered sizing is the perfect fitment for the TII... My n/a is sitting on stock suspension, but I have a set of 1" drop springs and kyb's sitting in a box ready for it, still even with wheel gap the 38mm sits the tire out to sit flush with the fender which looks nice...Max
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Old Oct 13, 2003 | 01:29 PM
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Wheels that weigh less then the 'vert rims? :-p
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Old Oct 13, 2003 | 01:32 PM
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I can pick up the Enkeis with my pinky.......Max
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Old Oct 13, 2003 | 01:37 PM
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Originally posted by Maxthe7man
I can pick up the Enkeis with my pinky.......Max
phhh, showoff...
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Old Oct 13, 2003 | 01:50 PM
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hahaha..........My pinky is huge....
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