PassionFord - Ford Focus, Escort & RS Forum Discussion

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-   -   Are rolled front arches needed for 18's? (https://passionford.com/forum/ford-sierra-sapphire-rs500-cosworth/484059-are-rolled-front-arches-needed-for-18s.html)

turbotrev 27-08-2015 05:23 PM

Are rolled front arches needed for 18's?
 
Got a set of 8x18 wheels to go on my saff, will be using 215/35 tyres and I believe they are an et35 offset.
My rear arches are already rolled but will I need the fronts doing?
The car is on koni shocks and springs and not crazy low

Cheers Paul

jason_nike 27-08-2015 09:40 PM

I had to roll my front arches, but rears are untouched

Cosworth Lad 27-08-2015 09:55 PM

iv got 215 35 18s on mine . mines are fine iv got avo coils on mine

Danielbetty 28-08-2015 07:52 AM


Originally Posted by turbotrev (Post 6618876)
Got a set of 8x18 wheels to go on my saff, will be using 215/35 tyres and I believe they are an et35 offset.
My rear arches are already rolled but will I need the fronts doing?
The car is on koni shocks and springs and not crazy low

Cheers Paul



I ran 8x18s et35 with no issues at all,back on 17s now with et20 on the rear which people say will never fit but they do

turbotrev 28-08-2015 09:18 AM

Cool cool people.
Had a look at the new wheels and they appear to be et30.
Tried em on the car last night and they look like they should clear...

Cheers Paul

cossynut2 31-08-2015 11:18 AM


Originally Posted by turbotrev (Post 6619044)
Cool cool people.
Had a look at the new wheels and they appear to be et30.
Tried em on the car last night and they look like they should clear...

Cheers Paul

Try them on full lock to make sure, as that is when they will rub on the arches.
I have got 335mm Hi-Spec brakes and my wheels have et35 offset and only just clear the calipers.

Glenn_ 31-08-2015 01:32 PM

Mine arnt rolled. Well not that i know of lol. Ive got 215/35/18 tyres on mine.

cossiestu 05-09-2015 12:19 AM


Originally Posted by Glenn_ (Post 6620031)
Mine arnt rolled. Well not that i know of lol. Ive got 215/35/18 tyres on mine.

They look really good on yours Glenn! What suspension you running?

Glenn_ 05-09-2015 04:04 PM

Koni shocks and springs.

Glenn_ 05-09-2015 04:05 PM

Oh and thanks.

The car drives ok on these 18s too. Its not too harsh.

jason_nike 05-09-2015 08:07 PM

1 Attachment(s)

Originally Posted by cossynut2 (Post 6619992)
Try them on full lock to make sure, as that is when they will rub on the arches.
I have got 335mm Hi-Spec brakes and my wheels have et35 offset and only just clear the calipers.

Mine are 360mm and also clear if that helps
Wheels are 8J, ET35

Attachment 28499

doga-ot 05-09-2015 08:55 PM

I have 17's 215/35 and i need my front rolled as i keep catching over big bumps i have konis (set to hard) with ahmed bayjoo springs

cossiestu 05-09-2015 09:01 PM

Quite fancy 18" Comps on mine, what suspension do you have Jason? I've got Koni shocks and springs on the back and Leda Coilovers on the front, so guessing it'll be ok? Arches are rolled at the front of the front arch, due to catching the tires where I set it up a bit too low to start with!! :wall::wall::wall:

jason_nike 05-09-2015 09:35 PM


Originally Posted by cossiestu (Post 6621646)
Quite fancy 18" Comps on mine, what suspension do you have Jason? I've got Koni shocks and springs on the back and Leda Coilovers on the front, so guessing it'll be ok? Arches are rolled at the front of the front arch, due to catching the tires where I set it up a bit too low to start with!! :wall::wall::wall:

Spax all round mate

dojj 06-09-2015 10:27 AM

The tolerances differed from car to car, what works on one might not work on another
Best thing to do is to remove the spring from the strut, refit everything and then turn the wheel from lock to lock with a jack underneath to see how far the suspension will travel before making any adjustments
Did that in mine and one arch needed rolling but the other was fine


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