Dragon78 Posted May 12, 2005 Share Posted May 12, 2005 I am looking at getting a set of 18's soon for my MY95 N/A but am unsure of the best tyre size to go for. I am going to have quite a big ice install so was thinking that if I went for 225/40/18's front and rear this would leave enough room for any lowering in height at the rear from the weight of the install. Would this tyre size effect the speedo as I have seen cars with 35 profile tyres on the rear. Hope you guys can help. Thanks Martin. Link to comment Share on other sites More sharing options...
michael parker Posted May 12, 2005 Share Posted May 12, 2005 I have 225/35/19 on the fronts and 235/35/19 on the rears, they clear easily, though having read about some ppl's tyre sizes on here i.e. 285/275 at the rear 255/245 at the front; i wish i'd of got some a little wider! It shouldn't really affect the speedo try a definite 1 mile or 10 mile, and check this again when you get your new wheels, or use a friends car to try and get a comparison. Link to comment Share on other sites More sharing options...
garethr Posted May 12, 2005 Share Posted May 12, 2005 Compare tyre sizes http://www.powerdog.com/tiresize.cgi http://ejelta.com/tiresize/index.html Link to comment Share on other sites More sharing options...
Jake Posted May 12, 2005 Share Posted May 12, 2005 I have 225/35/19 on the fronts and 235/35/19 on the rears 235 on the rear of a TT? Don't have an accident mate. Your insurance company won't pay you out if they notice you are running narrower than stock sized tyres. Link to comment Share on other sites More sharing options...
tbourner Posted May 13, 2005 Share Posted May 13, 2005 I'm going to be putting 285/35 18 on the rear of mine, they're about 20mm larger overall diameter than stock, which should actually bring the speedo into more accuracy at higher speeds!!! I need to get the whole thing re-cal'ed anyway. Link to comment Share on other sites More sharing options...
Dragon78 Posted May 13, 2005 Author Share Posted May 13, 2005 From what I can tell from the tyre calculation websites I would be better off fitting 225/275/40/18 as it seems that this would cause the least difference in the speedo. Link to comment Share on other sites More sharing options...
Jake Posted May 13, 2005 Share Posted May 13, 2005 From what I can tell from the tyre calculation websites I would be better off fitting 225/275/40/18 as it seems that this would cause the least difference in the speedo. Do you mean 225/40/18 on the front and 275/40/18 on the rear? 225 section tyres are too narrow for 275 rears really. I would probably go for 245/40/18 fronts and 275/35/18 rears Link to comment Share on other sites More sharing options...
Dragon78 Posted May 13, 2005 Author Share Posted May 13, 2005 Yeah I did mean that, I have only got a non turbo supra so I didn't think I would need wider tyres. Do you think that 225's front and rear would look wrong or could I pull it off. It would also be the cheaper option. Link to comment Share on other sites More sharing options...
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