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Fitting 18" wheels on a 3door

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Old Jun 16, 2015 | 05:41 PM
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Default Fitting 18" wheels on a 3door

Just wondering how much work is required to fit 18" wheels on a 3door.

Love the look but not sure if i fancy cutting the arches to bits.

Car will have 500 splitter and is sitting on coilovers.


Be great to see more pics of anyone's 3door with 18" also

Last edited by englandbrad; Jun 16, 2015 at 09:01 PM.
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Old Jun 16, 2015 | 05:45 PM
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Think you will have to trim arches bud mine are suppose depend on offset
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Old Jun 16, 2015 | 06:36 PM
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your car reminds me of the lambo prints that everyone posted on their walls in the 80s, stop teasing us mortals Si
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Old Jun 16, 2015 | 09:03 PM
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Originally Posted by siscossie




Think you will have to trim arches bud mine are suppose depend on offset

Stunning!
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Old Jun 16, 2015 | 09:11 PM
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Had 18s on mine for a few years.
Front and rear arches were modified.
Looked great but quite a harsh ride.


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Old Jun 16, 2015 | 10:00 PM
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I think 17's look far better on saff's and 3drs 18's look too big
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Old Jun 16, 2015 | 10:36 PM
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Originally Posted by jason_nike
Had 18s on mine for a few years.
Front and rear arches were modified.
Looked great but quite a harsh ride.
Looks spot on that! Think the older style MO's look so much better!! How much work did the arches need Jason?
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Old Jun 17, 2015 | 12:36 PM
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18's do change the ride, bit of a trade off really personally I think it's worth it but not everyone's cup of tea.

What do you mean by the lambo prints bud?
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Old Jun 17, 2015 | 12:48 PM
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back in the 80s everyone had huge prints of lamborghinis on the wall and what Im saying is yours is that good surprised everyones not got pics of yours on the walls , by the way do you need me to sell your ff tickets now your on the 3dr stand ?

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Old Jun 17, 2015 | 06:09 PM
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My arches are trimmed and my ride is perfect not hard or crashy at all.
Most people's harsh ride will be down to old or not good suspension.
All mine are 18", I'm running 362mm front discs so 18" is the smallest wheel I can use.
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Old Jun 17, 2015 | 09:32 PM
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It's this very picture that makes be think about 18's
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Old Jun 17, 2015 | 09:33 PM
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What size tyres are you running with?
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Old Jun 17, 2015 | 09:37 PM
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Originally Posted by englandbrad
What size tyres are you running with?
215/35/18 front
225/35/18 rear
Goodyear Eagle Asymmetrics
Them rim specs are offset ET35 8j wide all round with 10mm hubcentric spacers on the rear.

Last edited by 63np; Jun 17, 2015 at 09:38 PM.
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Old Jun 17, 2015 | 09:45 PM
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I was 100% set on the AGS touring car centre locks but after seeing this car think I'll be talking to Martin about a set of these.
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Old Jun 17, 2015 | 10:01 PM
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Originally Posted by englandbrad
I was 100% set on the AGS touring car centre locks but after seeing this car think I'll be talking to Martin about a set of these.
Thx,
I'm having some 18" AGS CentreLocks for mine. I'm just waiting for my rear brake setup to be fitted then I'm going down to make sure they'll be ok for clearance.
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Old Jun 18, 2015 | 07:10 AM
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Originally Posted by 1-PD
back in the 80s everyone had huge prints of lamborghinis on the wall and what Im saying is yours is that good surprised everyones not got pics of yours on the walls , by the way do you need me to sell your ff tickets now your on the 3dr stand ?
Cheers bud
Just sent you pm
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Old Jun 18, 2015 | 07:51 PM
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Originally Posted by 63np
Thx,
I'm having some 18" AGS CentreLocks for mine. I'm just waiting for my rear brake setup to be fitted then I'm going down to make sure they'll be ok for clearance.
So these will be for sale??
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Old Jun 18, 2015 | 09:03 PM
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Originally Posted by englandbrad
So these will be for sale??
Keeping all my rims(greedy bastard)
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Old Jun 18, 2015 | 09:30 PM
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Originally Posted by 63np
Keeping all my rims(greedy bastard)
Don't be like that!!! Lol I don't blame you. Well if you change your mind........
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Old Jun 19, 2015 | 06:45 AM
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Originally Posted by 63np
Thx,
I'm having some 18" AGS CentreLocks for mine. I'm just waiting for my rear brake setup to be fitted then I'm going down to make sure they'll be ok for clearance.
You'll need to make sure there the correct offset

I'm in the process of fitting a set for a customer just now the backs sit perfect but fronts are to far out and catch the kit but the maker of the wheels couldny be anymore helpful so there going to swap the outer rim for to allow more clearance due to that altering the offset
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Old Jun 19, 2015 | 10:21 AM
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Originally Posted by fordrs2005
You'll need to make sure there the correct offset

I'm in the process of fitting a set for a customer just now the backs sit perfect but fronts are to far out and catch the kit but the maker of the wheels couldny be anymore helpful so there going to swap the outer rim for to allow more clearance due to that altering the offset

Already had the conversation with Arden @AGS.
My car ha ps all the arches trimmed so gives me a bit more room to play.
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Old Jun 19, 2015 | 10:43 AM
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Wouldn't go there on a road car.
Will need to be tricky with offsets, and I imagine would need coil-overs to work?
Will definitely need to run silly lo-profile tires which is where folk tend to comment on the ride quality.
Will definitely need to trim arches unless running narrow tires.
I sold my 18's but even 8x17's with 225's (et33) my arches and bodykit have taken a lot of work.
Again, depending on tire width you might find running comp struts, adj TCA's (and/or) top mounts helpful in getting clearance up front; not just for arches, but also tire clearance behind your front bumper.
Good luck with it
Iain
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Old Jun 19, 2015 | 11:49 AM
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Originally Posted by 63np

Already had the conversation with Arden @AGS.
My car ha ps all the arches trimmed so gives me a bit more room to play.
I've got coilovers but so far just standard other suspension.

Have you got adj top mount, tca's or anti roll bar to make those wheels work?
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Old Jun 19, 2015 | 02:13 PM
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Originally Posted by IainRS1700T
Wouldn't go there on a road car.
Will need to be tricky with offsets, and I imagine would need coil-overs to work?
Will definitely need to run silly lo-profile tires which is where folk tend to comment on the ride quality.
Will definitely need to trim arches unless running narrow tires.
I sold my 18's but even 8x17's with 225's (et33) my arches and bodykit have taken a lot of work.
Again, depending on tire width you might find running comp struts, adj TCA's (and/or) top mounts helpful in getting clearance up front; not just for arches, but also tire clearance behind your front bumper.
Good luck with it
Iain
As Nick previously mentioned my old 500 has a superb ride, you may know I took it on a few road trips abroad and I simply wouldn't put up with any nastiness over thousands of miles. Coil overs are not needed (and I'd never fit them to a roadgoing Cossy!), my old car has Koni's, maybe the the hard ride comments come from guys with coil overs with wrong spring/damping rates?

Your car with 17" wheels and 225 width tyres.. What profile were you running?

Last edited by Martin-Hadland; Jun 19, 2015 at 02:14 PM.
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Old Jun 20, 2015 | 04:02 PM
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I've got them on now Martin, it was the 18's I had on before.
The 17's are 45 profile.
There's a massive difference in rolling diameter compared to smaller stuff on 17"s as this pic shows! I appreciate 225/45's wouldn't be the norm for most looking at a road car tire for bigger wheels on a 3dr.

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Got a bit of a shock when I offered them up for sure. Go well though.

Generally I've never had good experiences going too big on wheel diameter and compensating with lower profile tires for road cars. Preferred my Integrale on 15's compared to 16's; Preferred my wife's Impreza STI on 17's compared to my Forester STI (on same suspension) on 18's, (infuriating), and prefer my Mrs' M3 on 18's compared to 19's. Perhaps it's not that I'm getting old - I must have been old all along! All were acceptable on bigger wheel, lower profile options, but not as good compared to the smaller options.

That said I prefer the characteristics of my current 17's compared to the compo splits (16's) that I started with, but I think the tires are simply a fair bit better, and it's purpose has changed considerably since then!

One word of caution if running comp struts, depending on offset you can end up touching the comp strut on full lock which is an MOT fail. Would imagine you'd clear an ARB ok, but not tried.
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Old Jun 21, 2015 | 06:37 PM
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Originally Posted by jason_nike
Had 18s on mine for a few years.
Front and rear arches were modified.
Looked great but quite a harsh ride.




Nice interior, are they Saff front seats?
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Old Jun 21, 2015 | 08:12 PM
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Originally Posted by englandbrad
Nice interior, are they Saff front seats?
Thanks mate.
Yes they are indeed, fitted rears too as nobody had done it at the time.
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