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Carrera III front wheel largest tire fitment

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Old 06-01-2015, 08:40 PM
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MjRocket
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Default Carrera III front wheel largest tire fitment

Out of those running Carrera III wheels, what is the largest front tire you have been able to run without any rubbing from lock to lock and with no fender modification?

For reference the wheel is 8" ET 57

I'm currently running a 235/40-18
but with 295's in the rear I'd like to go as wide as possible on the front.

Thx
Old 06-01-2015, 08:46 PM
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Speedtoys
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Look at tire section-width, not the xxx/xx numbers when you start comparing the results you get back.

the xxx/xx is immaterial.
Old 06-01-2015, 10:23 PM
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MjRocket
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Default Carrera III front wheel largest tire fitment

Originally Posted by Speedtoys
Look at tire section-width, not the xxx/xx numbers when you start comparing the results you get back.

the xxx/xx is immaterial.
Speed

Can you go into a little more detail please, as im not sure exactly what "section width" is?

Thanks
Old 06-01-2015, 11:41 PM
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Lizard928
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the actual width of that said tire,
Not all 245/45 tires are the same width.
Old 06-02-2015, 05:54 AM
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FredR
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The parameters that have most influence on what you can fit are rim width, offset and [to a lesser extent] diameter. Style has little to do with it unless something is grossly distorted. A greater wheel diameter has stiffer side walls if sticking to the plus 1 sizing concept so a little less flexibility on allowable section width that can be fitted to a given rim.

I have a limited availability selection over here and generally run either Michelin, Pirelli or [at the moment] Continental. What I have found is that with quality makes there is little difference in actual widths when fitted and I put that down to higher technology/more optimal designs. Only once did I run a cheaper tire on the fronts [due to availability] and frankly I could not get rid of them quick enough- they were crap in terms of grip on the track- and they were a bit wider at the sidewalls [not the tread blocks].

For your application you are looking for a front wheel that has a diameter close to 25 inches and available literature would suggest you can safely fit a 245x35 [24.8 inch diameter] on your rims . You will have no problems with the inboard side, the outside will be close but should fit. I run a 265x35 on ET68 and it works fine with additional spacers in the steering rack. No such problem on your car. I also have my fenders rolled and -2 degrees of camber that give additional clearance- you probably do not have these features.

Getting hold of actual fitted width data seems to be nigh on impossible unless you know someone who has the combo you want to run & compare with.

Rgds

Fred
Old 06-02-2015, 09:56 AM
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Default Carrera III front wheel largest tire fitment

Originally Posted by FredR
The parameters that have most influence on what you can fit are rim width, offset and [to a lesser extent] diameter. Style has little to do with it unless something is grossly distorted. A greater wheel diameter has stiffer side walls if sticking to the plus 1 sizing concept so a little less flexibility on allowable section width that can be fitted to a given rim.

I have a limited availability selection over here and generally run either Michelin, Pirelli or [at the moment] Continental. What I have found is that with quality makes there is little difference in actual widths when fitted and I put that down to higher technology/more optimal designs. Only once did I run a cheaper tire on the fronts [due to availability] and frankly I could not get rid of them quick enough- they were crap in terms of grip on the track- and they were a bit wider at the sidewalls [not the tread blocks].

For your application you are looking for a front wheel that has a diameter close to 25 inches and available literature would suggest you can safely fit a 245x35 [24.8 inch diameter] on your rims . You will have no problems with the inboard side, the outside will be close but should fit. I run a 265x35 on ET68 and it works fine with additional spacers in the steering rack. No such problem on your car. I also have my fenders rolled and -2 degrees of camber that give additional clearance- you probably do not have these features.

Getting hold of actual fitted width data seems to be nigh on impossible unless you know someone who has the combo you want to run & compare with.

Rgds

Fred
Thank You for the information Fred...It is appreciated.
Old 06-02-2015, 01:50 PM
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Speedtoys
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Originally Posted by MjRocket
Speed

Can you go into a little more detail please, as im not sure exactly what "section width" is?

Thanks

SW is the measurement of the WIDEST dimension of the tire, once mounted and inflated on a specific sized wheel.

Changing wheel width also affects section width.

And it'll be different between all manufacturers, and even for the 'same tire' but between different article numbers of the 'same tire'.

Here's where to find it say, at tirerack.



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