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Tyre sizes 

 

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 Post subject: Tyre sizes
Posted: Mon May 07, 2012 7:35 pm 
Smokin em up
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Age: 37

Posts: 284

Joined: 3rd Mar 2012

Ride: NL Fairlane Ghia V8

Location: Geelong
VIC, Australia

I've just bought a set of polished FPV copy wheels for my NL Fairlane, and I need some help with tyre sizes for it.

The wheels are 18x8 and I want to run 2 different tyre sizes front to back.

A bit of background info, the car is lowered and is running 225/50 16's at the moment, when I bought it they were rubbing on the guards going over bigger bumps at the front and pulling the guard lips down, so I had them rolled and clearance has not been an issue since.

I'm thinking of running either a 225, which I know will more than likely provide plenty of clearance, or maybe a 235, but clearance is my concern here, I don't want to go back to having the tyres rub on the guards. More than likely a 235 and hope it won't rub, it should be ok.

On the back I want to run 255's.

Can anyone give me a tyre size and aspect ratio for both a 255 18 rear and a 235 18 front that will match or come close to the rolling diameter of the 225/50/16's. I think when the car was new it used a higher profile than the 225/50/16's as the spare is a 215/60/16, which may have something to do with the speedo reading a fair bit lower than it should. 107 on the speedo when its really doing 100.

Cheers.
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 Post subject: Re: Tyre sizes
Posted: Mon May 07, 2012 7:54 pm 
Getting Side Ways
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Age: 34

Posts: 1166

Joined: 31st Mar 2005

Gallery: 2 images

Ride: ef falcon, el fairmont ghia

Location: Christchurch
New Zealand

255/35/18 and 225/40/18's would be the closest.
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 Post subject: Re: Tyre sizes
Posted: Mon May 07, 2012 9:17 pm 
Smokin em up
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Age: 37

Posts: 284

Joined: 3rd Mar 2012

Ride: NL Fairlane Ghia V8

Location: Geelong
VIC, Australia

Thanks
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