245/40-17 fit aftermarket and stock susp?

#1
Looking to put some Rota Grids in 17x8 +40 on in the next month or two, and wondering if I can fit a 245/40-17 on there (Firestone, Federal, Falken..) looking to stay stock suspension for a while too, and I’m not looking to roll or pull my fenders. I’ve seen where some go 235/40 and have no issues, but haven’t seen a 245/40.

I think the x8 is enough width to not worry about the tire being too tall.
 

BRGT350

Senior Member
#2
I don't think there is anyway to get a 245 to fit the Fiesta. I run a P245/40 17 on my Mustang and that has rolled and widened fenders.
 
#3
Where have you seen anyone run a 235 / 40-17?

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#4
245/40/17FIST fitment

IMG_0919.JPG
Looking to put some Rota Grids in 17x8 +40 on in the next month or two, and wondering if I can fit a 245/40-17 on there (Firestone, Federal, Falken..) looking to stay stock suspension for a while too, and I’m not looking to roll or pull my fenders. I’ve seen where some go 235/40 and have no issues, but haven’t seen a 245/40.

I think the x8 is enough width to not worry about the tire being too tall.

Hello, I almost went there with Toyo proxes R1's, but in 35 series (23.8 inches tall) I have the Avanti DST's Storms, 45 mm offset, 17X8, I had looked at the Rotas. They are nice. The Storms (10 spoke) are roto forged, more expensive but lighter and stronger. Worth the $$ IMHO. With stock supension it will be a close fit without rolling fenders. Your tire combo is 24.4 or so tall. Single riding maybe ok but with passengers ??? There is a link on the FF but I lost it. Keep digging its here. One member had the Yokos in 235/40/17's and fit fine. There are pics. Not sure what rims. I ended up with 215/40/17 Neogens for cold weather and Federal 595 RS-RR at the front for summer. Going on soon, still cold in NJ. yeah I know I'm mixing traction capability but there is a method to the madness. I wanted to get the steering feel back from the 050's and more stick. Pretty sure the Feds will do that. If I find the link I'll let you know. Point of reference: one series change 35 to 40 is equal to 2 sizes in with in terms of overall tire height. Stan
 
#5
I've abandoned this idea. I plan to stick it out with the 215/40-17 in the Federal 595RS-RR
 
#6
I've abandoned this idea. I plan to stick it out with the 215/40-17 in the Federal 595RS-RR
Have I converted you ? Great. Mine are going on after the 15th. Still to cold here. Getting the V3 coilovers to boot.[wrenchin]
 
#7
Have I converted you ? Great. Mine are going on after the 15th. Still to cold here. Getting the V3 coilovers to boot.[wrenchin]
Lol I'm on the Formoza FD2 in the 215/40, and was looking for a trackable tire, car has been taken off of the daily driver roster.

I cant stomach buying wheels just as heavy as the stockers. I'll wait till I find some TD in 17x7!
 
#10
Have I converted you ? Great. Mine are going on after the 15th. Still to cold here. Getting the V3 coilovers to boot.[wrenchin]
Yeah, it seems as though some on here just don't care (or are just way too 'antsy' to wait) that they are using 200 tread wear (and UNDER) gumballs in under 40*F ambient temps, but my RS-RRs will NOT go on the car until the absolute/constant night time lows are ABOVE 50* F. [nono] [wink]
 
#11
Yeah, it seems as though some on here just don't care (or are just way too 'antsy' to wait) that they are using 200 tread wear (and UNDER) gumballs in under 40*F ambient temps, but my RS-RRs will NOT go on the car until the absolute/constant night time lows are ABOVE 50* F. [nono] [wink]
We are in the 60's here, low to mid 40's at night. Been seeing some 80s mid day too.
 

BDVRanger

Senior Member
#12
Where have you seen anyone run a 235 / 40-17?

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Here's mine on 235/45r17. I had to roll my fenders out Screenshot_20190408-003212_Instagram.jpg 1/4 inch
 
#13
Does that mean 215 45 17 would be fine? Dude in colton sells the rs rr,s for 365 for a full set.

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