16" tyres - Page 2

dunk shaw · 3rd June 2006, 05:59 AM

Your right which i find strange, the 16's are 50 front and back but the 17's are 45 and 40.

Martin F · 3rd June 2006, 10:12 AM

Quote:

Originally Posted by darryl

You can use the 225's on the rear 9" wheel. Depends if you really want the bigger size. That's what was on mine when i first got it.

I wonder why Toyota didn't fit the same size tyres all round

darryl · 3rd June 2006, 03:32 PM

Quote:

Originally Posted by Martin F

I wonder why Toyota didn't fit the same size tyres all round

good question, well presented, what are you saying? Shouldn't you use 225 on a 9" wheel? I've had no problems.

Martin F · 4th June 2006, 05:28 PM

Well by Toyota fitting a 225 at the front and a 245 at the back they are obviously biasing more grip to the rear and no doubt the rest of the chassis has been engineered towards this.

By fitting 225's all round you are reducing the contact patch of the rear wheels so in simplistic terms you are reducing the amount of grip at the rear, not something i'd want to do in our cars.

You haven't experienced a problem but if you were driving on the limit all the time you'd defenitely notice a difference.

darryl · 4th June 2006, 06:42 PM

Ah, fair enough. I just didn't think 20 would make all that much difference with the power on NA's being fairly low in comparison to the tt's.

Anyway, any luck with the 245's Bazza ?

3rd June 2006, 05:59 AM	#11
dunk shaw Old Timer None - Don't currently own a MKIV Supra. Join Date: Jan 2005 Location: west mids Posts: 4,196	Your right which i find strange, the 16's are 50 front and back but the 17's are 45 and 40. __________________ dunk

4th June 2006, 05:28 PM	#14
Martin F Administrator UK Spec - Manual Join Date: Aug 2003 Location: Essex, UK Posts: 10,226	Well by Toyota fitting a 225 at the front and a 245 at the back they are obviously biasing more grip to the rear and no doubt the rest of the chassis has been engineered towards this. By fitting 225's all round you are reducing the contact patch of the rear wheels so in simplistic terms you are reducing the amount of grip at the rear, not something i'd want to do in our cars. You haven't experienced a problem but if you were driving on the limit all the time you'd defenitely notice a difference. __________________ Martin UK6TT + Bits & Bobs 'Remember folks, the inside lane isn't just for Xmas' MSOC FAQ MSOC Members Discounts MSOC Resources

4th June 2006, 06:42 PM	#15
darryl Chief Jap Spec SZ - 5 sp Manual (NA) Join Date: Jan 2006 Location: Basingstoke Posts: 136	Ah, fair enough. I just didn't think 20 would make all that much difference with the power on NA's being fairly low in comparison to the tt's. Anyway, any luck with the 245's Bazza ? __________________ I know nothing..........

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