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Topic: Are these tyres the wrong size? (Read 962 times) |
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tricky_dicky
Newbie
1997 2.3 Ultima saloon
Posts: 27
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Are these tyres the wrong size?
« on: May 6th, 2009, 10:01am » |
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Could anybody tell me if these tyres are the wrong size for my Ultima 2.3 saloon, it has the 12 spoke soft-effect alloys fitted with 225/55/v16. Shouldn't they be either 205/55 or 225/50 ? Will it matter if I leave these tyres on it as they have thousands of miles left in them? The tyres seem very close to the wheel arches which I thought was just saggy worn out springs (I ordered some heavy duty springs to sort the ride hieght out) now i'm confused 
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Are these tyres the wrong size?
« Reply #1 on: May 6th, 2009, 11:01am » |
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55 profiles arent listed for the Scorpio but they should be fine, your 55 tyre diameter is only around 2cm larger than the 50 profiles so 1cm nearer the wheel arch.
You're speedo will be reading about 3% slower than normal so bearing in mind Scorpio speedos can read 10% over you probably have one of the most accurate speedos out there 
Might be worth double checking with your insurance company, it can invalidate insurance if you are not using manufacturer recommended tyre sizes.
Shouldnt be a problem though i wouldnt think.
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy! |
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tricky_dicky
Newbie
1997 2.3 Ultima saloon
Posts: 27
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Re: Are these tyres the wrong size?
« Reply #2 on: May 6th, 2009, 11:43am » |
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Thanks Highlander, I am going to be changing the rear springs to heavy duty ones which lift the back up by about half an inch according to johnnycab so they should be alright. I dont want to bin 4 nearly new tyres.
I'd better check the size of the spare as well I suppose.
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Are these tyres the wrong size?
« Reply #3 on: May 6th, 2009, 11:59am » |
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Hi tricky, I think you miss-understood what I said. The heavy duty springs I fitted lifted the rear by almost 2 inches initially, but once they settled down it dropped by about half an inch. So the car still sits about an inch & a half higher than it originally did........I hope this makes sense 
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: Are these tyres the wrong size?
« Reply #4 on: May 6th, 2009, 12:06pm » |
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anything for an extra inch and a half Jonny
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Are these tyres the wrong size?
« Reply #5 on: May 6th, 2009, 12:50pm » |
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 ....Yea, & it feels stiffer as well 
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Highlander
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Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: Are these tyres the wrong size?
« Reply #6 on: May 6th, 2009, 12:55pm » |
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depends on your rubber i suppose (Admin incoming)!
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Are these tyres the wrong size?
« Reply #7 on: May 6th, 2009, 2:41pm » |
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: Are these tyres the wrong size?
« Reply #8 on: May 6th, 2009, 3:09pm » |
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Ahhh ! those were the days
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Are these tyres the wrong size?
« Reply #9 on: May 6th, 2009, 3:54pm » |
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My wife says the ride has deffinately improved
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Highlander
Moderator
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Are these tyres the wrong size?
« Reply #10 on: May 6th, 2009, 4:04pm » |
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I'm quitting before I get deleted!
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Are these tyres the wrong size?
« Reply #11 on: May 6th, 2009, 4:44pm » |
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Wise move Stuart !!
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Now I'm an OAP
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Are these tyres the wrong size?
« Reply #12 on: May 6th, 2009, 6:01pm » |
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 ........me too
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pinto
Full Member
TD04 on a galaxy manifold ? whooooooosh !
Posts: 474
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Re: Are these tyres the wrong size?
« Reply #13 on: May 8th, 2009, 3:55pm » |
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Well, you know what they say - never buy cheap rubber as a blowout at high speed could be costly.......
I use du..............nlop 
On a more serious note.. 
http://www.miata.net/garage/tirecalc.html
Use this to work out your sizes - its quite natty - remember tyre manafacturers reccomend no more that +3/-5 % from stock size (although as highlander says, the scorp speedo is invariably -10% out anyway lol )
Must admit... the thought of some 225/30/20's on my scorp does appeal...... 
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tricky_dicky
Newbie
1997 2.3 Ultima saloon
Posts: 27
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Re: Are these tyres the wrong size?
« Reply #15 on: May 13th, 2009, 7:53am » |
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on May 8th, 2009, 4:11pm, Jonnycab wrote:
Thanks I had a look and there is quite a difference in size in the two tyres. Think I might have to change the tyres.
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
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Re: Are these tyres the wrong size?
« Reply #16 on: May 13th, 2009, 3:54pm » |
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OK OK Fun over ! keep it on topic please
Snoopy
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