Ford Sierra/Sapphire/RS500 Cosworth This forum is for discussion of all things pertaining to the Ford Sierra Cosworth.

2WD Saff tyre size + type on 8X18 mo6s ET35.

Thread Tools
 
Search this Thread
 
Old 20-05-2017, 01:19 PM
  #1  
Sierrasideways
Too many posts.. I need a life!!
Thread Starter
iTrader: (1)
 
Sierrasideways's Avatar
 
Join Date: Sep 2012
Location: Ireland
Posts: 850
Received 49 Likes on 49 Posts
Default 2WD Saff tyre size + type on 8X18 mo6s ET35.

Nowadays what tyres are you guys running?....Michelin/Toyo/Bridgestone/Continental/Dunlop etc. and what size, 225/235/40/35, can I use running comps mo6s (form an orderly queue for the tut tutting ), 6 degree beam, AP 6 pots 9040, konis and bayjoos and arches aren't rolled but will be if necessary. Finally have the parts mentioned except tyres so if I get a good indication of the right size to use, I can start fitting the lot.

Your input and views is much appreciated

Can't think of anything I've left out...if I have, do tell.

CheeRS lads.

Philip.
Old 20-05-2017, 03:21 PM
  #2  
cossynut2
PassionFord Post Whore!!
 
cossynut2's Avatar
 
Join Date: May 2013
Location: Holbury,Southampton
Posts: 4,562
Received 393 Likes on 358 Posts
Default

Originally Posted by Sierrasideways
Nowadays what tyres are you guys running?....Michelin/Toyo/Bridgestone/Continental/Dunlop etc. and what size, 225/235/40/35, can I use running comps mo6s (form an orderly queue for the tut tutting ), 6 degree beam, AP 6 pots 9040, konis and bayjoos and arches aren't rolled but will be if necessary. Finally have the parts mentioned except tyres so if I get a good indication of the right size to use, I can start fitting the lot.

Your input and views is much appreciated

Can't think of anything I've left out...if I have, do tell.

CheeRS lads.

Philip.
This is a question that comes up quite often and usually gets a lot of different answers. It seems to me its not a straight forward case of what will fit ok. Some people say they have 235/40/18s with 8 inch wide wheels others have smaller wheels and tyres as the bigger ones foul the bodywork.If your car is lowered and you want big wheel and tyre combinations then the arches need to be rolled in most cases.My advice would be if you can, trial fit first before you commit to spending a lot of money on what you hope will fit ok only to find they dont!
On my 2wd Saff which is lowered with rolled arches I have 215/40/17 Federal RSR tyres which seem pretty good but of course there are loads to choose from, no doubt others have their favourites as well.


Koni Shocks with Eibach 35mm lowering springs and rolled arches. ET35 offset 17x7.5 old school OZ Cronos alloys.



Even with rolled arches there isnt a lot of room between the tyres and bodywork.
The following users liked this post:
Sierrasideways (21-05-2017)
Old 20-05-2017, 03:40 PM
  #3  
costina
Live long and prosper!!
iTrader: (1)
 
costina's Avatar
 
Join Date: Aug 2005
Location: area 51
Posts: 9,158
Received 371 Likes on 346 Posts
Default

215.35.18 Toyo was on mine running std height springs and koni's.

Worked fine for me on et42 focus RS rims.

Last edited by costina; 20-05-2017 at 03:41 PM.
The following users liked this post:
Sierrasideways (21-05-2017)
Old 21-05-2017, 08:31 AM
  #4  
Cos500
I've found that life I needed.. It's HERE!!
 
Cos500's Avatar
 
Join Date: May 2004
Location: on ere at the mo
Posts: 1,190
Received 82 Likes on 72 Posts
Default

Originally Posted by costina
215.35.18 Toyo was on mine running std height springs and koni's.

Worked fine for me on et42 focus RS rims.
This is what I have on mine, no catching and not rolled arches on 2wd, needed 18's to cover ap6 pots, couldnt fit anything different than 215/35/18 as they would catch the arches, antiroll bar and shocker.
The following users liked this post:
Sierrasideways (21-05-2017)
Old 21-05-2017, 05:14 PM
  #5  
Sierrasideways
Too many posts.. I need a life!!
Thread Starter
iTrader: (1)
 
Sierrasideways's Avatar
 
Join Date: Sep 2012
Location: Ireland
Posts: 850
Received 49 Likes on 49 Posts
Default

Thanks for the replies guys. 215/35/18 seems to be popular. Was thinking possibly fitting wider tyres at the back, possibly 235s, to put the power down better and for more grip. Mightn't be right about that though, that's why I'm asking Unfortunately I don't have the option of trial fitting as I'll be ordering the tyres either online or from the tyre place in my home town so can't really order 2 sets and say I only want 1 if you know what I mean...Roads are shite here so kind of want as much sidewall as I can fit like 40 instead of 35.

I was hoping to fit 225/40/18 all round. Hope they won't rub or hit the shocks at the front. With my suspension setup do you think I'd get away with that?

Edit: I can get Toyo R888R for about Ł190 each...may be a stupid question but are these road legal? Just heard everyone raving about them so looking for your thoughts...

CheeRS.

Philip.

Last edited by Sierrasideways; 21-05-2017 at 05:26 PM.
Old 21-05-2017, 05:31 PM
  #6  
costina
Live long and prosper!!
iTrader: (1)
 
costina's Avatar
 
Join Date: Aug 2005
Location: area 51
Posts: 9,158
Received 371 Likes on 346 Posts
Default

Phillip you cant run 225 40 18 on a saff they will rub either on the strut or the arch. You might get away with it on the rear but you will have to lose the arch liners imo.

Paul
The following users liked this post:
Cos500 (21-05-2017)
Old 21-05-2017, 08:29 PM
  #7  
Sierrasideways
Too many posts.. I need a life!!
Thread Starter
iTrader: (1)
 
Sierrasideways's Avatar
 
Join Date: Sep 2012
Location: Ireland
Posts: 850
Received 49 Likes on 49 Posts
Default

Thanks Paul. Looking like 215/35/18 so as I don't want to remove the arch liners. Will get some ordered tomorrow hopefully.

Philip.
Old 21-05-2017, 10:16 PM
  #8  
cossynut2
PassionFord Post Whore!!
 
cossynut2's Avatar
 
Join Date: May 2013
Location: Holbury,Southampton
Posts: 4,562
Received 393 Likes on 358 Posts
Default

Originally Posted by Sierrasideways
Thanks for the replies guys. 215/35/18 seems to be popular. Was thinking possibly fitting wider tyres at the back, possibly 235s, to put the power down better and for more grip. Mightn't be right about that though, that's why I'm asking Unfortunately I don't have the option of trial fitting as I'll be ordering the tyres either online or from the tyre place in my home town so can't really order 2 sets and say I only want 1 if you know what I mean...Roads are shite here so kind of want as much sidewall as I can fit like 40 instead of 35.

I was hoping to fit 225/40/18 all round. Hope they won't rub or hit the shocks at the front. With my suspension setup do you think I'd get away with that?

Edit: I can get Toyo R888R for about Ł190 each...may be a stupid question but are these road legal? Just heard everyone raving about them so looking for your thoughts...

CheeRS.

Philip.
Tyres like mine, Federal 595RSR and ToyoR888R are track day road legal and do offer very high levels of dry road grip.If you are running a big power engine in a 2wd Saff you do have to be more careful in the wet!
Old 21-05-2017, 10:27 PM
  #9  
Cos500
I've found that life I needed.. It's HERE!!
 
Cos500's Avatar
 
Join Date: May 2004
Location: on ere at the mo
Posts: 1,190
Received 82 Likes on 72 Posts
Default

I'd just stick with 215/35/18, looked at 225 for the same reason on rear but as stated I think I'd have been changing them again.
R888 have a solid tyre wall and on my evo the ride was terrible, good for the track yes but after 2 track days they were dead and expensive to replace, I've gone for toyo proxes T1R for the cossie, good price and excellent all round tyre also very good on the track including Nurburgring, where other tyres failed the toyos did not.
Old 22-05-2017, 08:23 PM
  #10  
Sierrasideways
Too many posts.. I need a life!!
Thread Starter
iTrader: (1)
 
Sierrasideways's Avatar
 
Join Date: Sep 2012
Location: Ireland
Posts: 850
Received 49 Likes on 49 Posts
Default

Originally Posted by cossynut2
Tyres like mine, Federal 595RSR and ToyoR888R are track day road legal and do offer very high levels of dry road grip.If you are running a big power engine in a 2wd Saff you do have to be more careful in the wet!
Cheers mate. Not much point in myself getting them after rethinking it, as shite weather here all the live long day and shouldn't be doing any track time until next year presumably. Have had a few moments in the wet already so hopefully with new shoes it'll be grippier! Beam should help. Have a full alignment setup booked in too. Just need to wait for my ordered parts and order the tyres. Then the fun can commence

Originally Posted by Cos500
I'd just stick with 215/35/18, looked at 225 for the same reason on rear but as stated I think I'd have been changing them again.
R888 have a solid tyre wall and on my evo the ride was terrible, good for the track yes but after 2 track days they were dead and expensive to replace, I've gone for toyo proxes T1R for the cossie, good price and excellent all round tyre also very good on the track including Nurburgring, where other tyres failed the toyos did not.
Cheers mate. I'm actually thinking along the same lines as yourself and can get a good enough price on T1Rs so will probably give them a go. Good reviews mostly and they're priced right. I could get more expensive types but I'll try these first as I'm getting a deal on them already so saving myself a few quid that I wouldn't on the dearer ones. Need to get them fitted asap

Thanks for the replies, great help as per usual

Philip.
Old 04-12-2017, 09:18 PM
  #11  
Adam-M
PassionFord Post Troll
 
Adam-M's Avatar
 
Join Date: Feb 2014
Location: Scotland
Posts: 3,120
Received 315 Likes on 288 Posts
Default

Any updates mate? Id like to run 225/35/18's on the rear of mine to at least try and get some wet grip but don't know if I'll need my arches rolled, like you I have et35 comp m06. Fronts I may have to stick with 215's.
Old 04-12-2017, 10:41 PM
  #12  
cossynut2
PassionFord Post Whore!!
 
cossynut2's Avatar
 
Join Date: May 2013
Location: Holbury,Southampton
Posts: 4,562
Received 393 Likes on 358 Posts
Default

Originally Posted by Adam-M
Any updates mate? Id like to run 225/35/18's on the rear of mine to at least try and get some wet grip but don't know if I'll need my arches rolled, like you I have et35 comp m06. Fronts I may have to stick with 215's.
If you have lowered your car you will need to get the arches rolled for sure if you are going to try and run the wider 225 width.
Old 05-12-2017, 03:52 AM
  #13  
2wd
Too many posts.. I need a life!!
 
2wd's Avatar
 
Join Date: Jun 2004
Location: Denmark
Posts: 773
Received 2 Likes on 2 Posts
Default

225/35x18 up front and 235/35x18 rear and rolled Arches ..
Old 05-12-2017, 06:43 AM
  #14  
cossynut2
PassionFord Post Whore!!
 
cossynut2's Avatar
 
Join Date: May 2013
Location: Holbury,Southampton
Posts: 4,562
Received 393 Likes on 358 Posts
Default

Originally Posted by 2wd
225/35x18 up front and 235/35x18 rear and rolled Arches ..
Can you tell us what you have had to do to fit such wide tyres on your Saff? What wheels and what off set are they? How much modification to the arches have you done? Do you still have arch liners fitted?
I tried a 225 wide tyre on the front of my lowered Saff and it fouled on the bodywork as soon as the wheel was turned left or right.
Old 05-12-2017, 11:14 AM
  #15  
Adam-M
PassionFord Post Troll
 
Adam-M's Avatar
 
Join Date: Feb 2014
Location: Scotland
Posts: 3,120
Received 315 Likes on 288 Posts
Default

Any pics of saphs with rolled arches?
Old 05-12-2017, 06:00 PM
  #16  
cossynut2
PassionFord Post Whore!!
 
cossynut2's Avatar
 
Join Date: May 2013
Location: Holbury,Southampton
Posts: 4,562
Received 393 Likes on 358 Posts
Default

Originally Posted by Adam-M
Any pics of saphs with rolled arches?
There are a couple of mine in this thread.
Old 05-12-2017, 08:44 PM
  #17  
Sierrasideways
Too many posts.. I need a life!!
Thread Starter
iTrader: (1)
 
Sierrasideways's Avatar
 
Join Date: Sep 2012
Location: Ireland
Posts: 850
Received 49 Likes on 49 Posts
Default

Originally Posted by Adam-M
Any updates mate? Id like to run 225/35/18's on the rear of mine to at least try and get some wet grip but don't know if I'll need my arches rolled, like you I have et35 comp m06. Fronts I may have to stick with 215's.
Hi Adam,

I went with 215/35/18s Toyo T1Rs and they're great so far but still rub a bit on the front when turning hard. Will update you when arches are rolled and respect done....hopefully soon after Xmas!

The other lads' replies seem to be way more informative though which is interesting reading

Philip.
Old 05-12-2017, 10:11 PM
  #18  
jason_nike
PassionFord Post Whore!!
 
jason_nike's Avatar
 
Join Date: May 2004
Location: East Sussex
Posts: 3,833
Received 98 Likes on 92 Posts
Default

Been running 215/35/18 for ages, front arches rolled, rears are standard
Attached Thumbnails 2WD Saff tyre size + type on 8X18 mo6s ET35.-img_3040.jpg   2WD Saff tyre size + type on 8X18 mo6s ET35.-image_zps0uvgghip.jpeg  
Old 06-12-2017, 07:19 AM
  #19  
cossynut2
PassionFord Post Whore!!
 
cossynut2's Avatar
 
Join Date: May 2013
Location: Holbury,Southampton
Posts: 4,562
Received 393 Likes on 358 Posts
Default

jason_nike Nice looking Saff. I am suprised you have not had any issues with the rear tyres touching the bodywork. I think it must depend a lot on how much lower the suspension is, the rolling radius on my 17inch wheels with 215/40/17s must be about the same as yours with the 18inch wheels but I had to have the arches rolled for clearance on mine.
Old 06-12-2017, 08:55 PM
  #20  
jason_nike
PassionFord Post Whore!!
 
jason_nike's Avatar
 
Join Date: May 2004
Location: East Sussex
Posts: 3,833
Received 98 Likes on 92 Posts
Default

It seems every car is different, some rub more than others strangely enough.
Old 07-12-2017, 04:35 PM
  #21  
Glenn_
Glennvestite
iTrader: (1)
 
Glenn_'s Avatar
 
Join Date: Jul 2006
Location: Darlington county durham
Posts: 62,755
Received 1,042 Likes on 996 Posts
Default

215/35/18s for me too. I have maxxis tyres on mine. There ok for a cheap tyre. I dont think the ride is as nice as with 17s on.
Old 12-01-2019, 09:46 AM
  #22  
ajs
Virgin
 
ajs's Avatar
 
Join Date: Jan 2019
Location: Christchurch
Posts: 1
Likes: 0
Received 0 Likes on 0 Posts
Default

Salutations, I've been reading these forums for a long time from New Zealand, but just joined now to reply to this one, and apologies for being late into the discussion.

Interesting thread. Just to be a pain, I'm going to throw another factor into the mix (yeah, I'm one of 'those'). My Saph is on 225/35/18 Bridgeys all round (the 18" RS Sharkstooth alloy). Yes, as pointed out, they rub at the front, or they did.

By the time I got her, someone had replaced the lower suspension arm bushes with nolathane ones. Yes, there are many who would swear black-and-blue that that these are the business, but I'm not so keen. For one, they have a tendency to just implode, as opposed to 'wearing' - I have seen this several times first hand, whereby the bush is just 'gone', leaving very fine fragments of blue speckled all over the rim, and a lot of free-play in the front wheel. On the open road or under decent boost, this could be catastrophic.

Anyhooo, I gave these the flick, went back to factory-spec'd rubber bushes, and voila: the rubbing totally disappeared. Furthermore, she handles much better; in fact, it's almost like she is on rails.

Now I know, we're all running different gear, but I thought that this was worth noting. I chatted to my mechanic, who is very, very good, and we came to the conclusion that, as the Cos was engineered for such performance and many parts were engineered to operate with mere millimetres of 'play', something like a slightly different (not factory spec) bush can make that much of a difference.

Hope this adds another string to the thread (if that even makes sense
Old 12-01-2019, 01:05 PM
  #23  
turbotrev
Advanced PassionFord User
 
turbotrev's Avatar
 
Join Date: Jul 2003
Location: Sutton
Posts: 2,051
Received 89 Likes on 85 Posts
Default

For normal road tyres and no grief go for 215/35/18’s.
Start going bigger and you may run into issues.

Also so don’t forget the track tyres like r888’s etc have a bigger diameter and width than a road tyre of the same size, so they will come up bigger and possibly rub.

I had t1r toyos on my old 18” rims and with over 500hp it was like driving on ice, they were terrible.
Mid you need grip go with some decent track tyres.
Leave the 18’s for show type use

Cheers Paul
Old 20-01-2019, 06:58 AM
  #24  
Adam-M
PassionFord Post Troll
 
Adam-M's Avatar
 
Join Date: Feb 2014
Location: Scotland
Posts: 3,120
Received 315 Likes on 288 Posts
Default

Originally Posted by turbotrev
For normal road tyres and no grief go for 215/35/18’s.
Start going bigger and you may run into issues.

Also so don’t forget the track tyres like r888’s etc have a bigger diameter and width than a road tyre of the same size, so they will come up bigger and possibly rub.

I had t1r toyos on my old 18” rims and with over 500hp it was like driving on ice, they were terrible.
Mid you need grip go with some decent track tyres.
Leave the 18’s for show type use

Cheers Paul
I wouldn’t say 18’s where show use only
Old 20-01-2019, 09:47 PM
  #25  
turbotrev
Advanced PassionFord User
 
turbotrev's Avatar
 
Join Date: Jul 2003
Location: Sutton
Posts: 2,051
Received 89 Likes on 85 Posts
Default

Originally Posted by Adam-M


I wouldn’t say 18’s where show use only
They may as well be if you can’t get decent tyres fitted to em and your running big power...

Cheers Paul
Old 27-01-2019, 11:27 PM
  #26  
scoooby slayer
10K+ Poster!!
iTrader: (4)
 
scoooby slayer's Avatar
 
Join Date: Jun 2006
Location: st neots cambridgeshire
Posts: 10,211
Received 415 Likes on 308 Posts
Default

Originally Posted by turbotrev


They may as well be if you can’t get decent tyres fitted to em and your running big power...

Cheers Paul

I wish I had filmed my supra before and after fitting tyres, going from pirelli p zeros to r888s on 19" rims with 800 hp was a night and day difference, I massively rate r888s brilliant tyres ime

It was no grip at 100 mph to full grip at 60 mph in the dry

This was with r888s

https://youtu.be/4iCg59ZbbSg

Last edited by scoooby slayer; 27-01-2019 at 11:29 PM.
Old 28-01-2019, 01:46 PM
  #27  
Adam-M
PassionFord Post Troll
 
Adam-M's Avatar
 
Join Date: Feb 2014
Location: Scotland
Posts: 3,120
Received 315 Likes on 288 Posts
Default

Originally Posted by turbotrev


They may as well be if you can’t get decent tyres fitted to em and your running big power...

Cheers Paul
just like saying smaller wheels are show use as you can only run small brakes

Seems 235 35 18 is possible with arch rolling which is the route im going to take
Old 28-01-2019, 01:58 PM
  #28  
scoooby slayer
10K+ Poster!!
iTrader: (4)
 
scoooby slayer's Avatar
 
Join Date: Jun 2006
Location: st neots cambridgeshire
Posts: 10,211
Received 415 Likes on 308 Posts
Default

Originally Posted by Adam-M


just like saying smaller wheels are show use as you can only run small brakes

Seems 235 35 18 is possible with arch rolling which is the route im going to take

Rods car runs 235/40/18s on the back, not sure what tyres are but I will report here once I have the cars here I think there r888s on the back
Old 28-01-2019, 07:34 PM
  #29  
Adam-M
PassionFord Post Troll
 
Adam-M's Avatar
 
Join Date: Feb 2014
Location: Scotland
Posts: 3,120
Received 315 Likes on 288 Posts
Default

Originally Posted by scoooby slayer
Rods car runs 235/40/18s on the back, not sure what tyres are but I will report here once I have the cars here I think there r888s on the back

be interesting to see how much arch work was done mate, my back arches have been rolled flush so if yours have been done the same I’ll go with that size tyre on the rear




All times are GMT. The time now is 08:53 AM.