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-   -   Correct Tire Size for 16x7 & 16x8 (http://forums.pelicanparts.com/porsche-911-technical-forum/940532-correct-tire-size-16x7-16x8.html)

avahdani 11-01-2024 07:25 PM

is Yokohama ADVAN A052 better than Michelin
Pilot Exalto PE2 or PZERO?

trentwat 11-03-2024 07:04 PM

I have 16x7s & 8s and am running 225/45 and 245/45…they are meaty, but look right…drives great…
http://forums.pelicanparts.com/uploa...1730692955.jpg

Mr. Merk 11-04-2024 07:02 AM

Quote:

Originally Posted by avahdani (Post 12350144)
is Yokohama ADVAN A052 better than Michelin
Pilot Exalto PE2 or PZERO?

They are known to be the stickiest "street" tire. Top of class in the 200tdw rated tires, which is the minimum treadwear allowed for street classes of SCCA. It's also what the GT4 Trophy cars run.

Quote:

Originally Posted by trentwat (Post 12351199)
I have 16x7s & 8s and am running 225/45 and 245/45…they are meaty, but look right…drives great…

That front tire is a little short. It's what I run as well, but as a compromise due to my 8" fronts causing tire contact with the fenders.

avahdani 11-12-2024 09:33 AM

Mine is late G body 89 targa, recommending same size for Fuchs 16X7&8?

avahdani 11-12-2024 09:35 AM

Since P7's are out until Feb, Michelin
Pilot Exalto PE2 or Pirelli
P Zero Rosso (Collezione)?

avahdani 11-12-2024 09:35 AM

or Yokohama
ADVAN A052?

darrin 11-12-2024 12:48 PM

I love the handling (stickiness) and ride from my AO52 tires. I can think of two potential disadvantages to them. 1) they're not going to be very durable -- figure maybe 5k miles out of the rears? Not an issue for me, as I run them as summer-only tires and put under 1k miles on them per season -- like most other tires, they'll likely age out for me before wearing out, but this could be an issue if you're a higher mileage user. 2) they're true summer-only tires and (as I understand it) don't even like to be stored (let alone used) in sub 50f weather. Again not an issue for me.

Finally, as track/competition tires with compounds/tread designed for this specific use, they're likely going to be less forgiving in the rain than more conventional tires. Again, not an issue for me as I can be picky about when I drive to minimize rainy weather/monsoon driving.

As far as size, I'd consider going with 205/50-16 for the fronts and 225/50-16 for the rears. Some folks (me included) running 205/55-16 fronts with 7" Fuchs have issues with the outer edge of the front tires rubbing against/pulling out one or more of their front inner fender lips. This initially occurred with my right front fender. I understand that going with shorter tires (205/50 vs 205/55) can minimize the possibility of this occurring -- I'd be concerned that the extra width of 225s up front could increase the potential for rubbing.

For the rears, I'd stick with 225/50-16 for two reasons. First, 245/45 ao2s are currently on backorder . . . Second, while a 245/45 will fit on an 8" Fuchs, running them on 9" Fuchs is preferable as it allows the sidewall to stretch out a bid more and is overall a better "fit" (in much the same way that 205/55 Fuchs fit better on 7" Fuchs than 6" Fuchs) than the fatter 245/45s

Bill Verburg 11-13-2024 11:32 AM

w/ 7 & 8 x16 Fuchs;
205/55 and 225/50 are the old std sizes
205/50 & 225/50 gives you a bit more room at the lip , useful for lowered cars
205/50 & 225/45 provides better acceleration and a bit more room for lowering in back, though this last isn't much of a concern

205/50 and 245/40 van be used but it's not optimum due to wheel width deficiency wrt to the 245 tire width, you get a cushier ride but the tire is less well supported and moves around more

avahdani 11-15-2024 10:58 AM

came a cross a 16X9 would the tire be 245/45?
Also are the new wheels from Fuchsfelge vs. Original date code Fuchs?

Mr. Merk 11-15-2024 11:06 AM

Quote:

Originally Posted by avahdani (Post 12358570)
came a cross a 16X9 would the tire be 245/45?
Also are the new wheels from Fuchsfelge vs. Original date code Fuchs?

Yes, 245/45 is the ideal size for 16x9

Not sure what your second question is asking.

avahdani 11-15-2024 11:31 AM

comparison to old stock Fuchs with date code of 80's vs. New items from Fuchsfelge® USA,
which is the better route?

will I have any issue with rubbing with 9's?

Bill Verburg 11-15-2024 12:04 PM

Quote:

Originally Posted by avahdani (Post 12358583)
comparison to old stock Fuchs with date code of 80's vs. New items from Fuchsfelge® USA,
which is the better route?

will I have any issue with rubbing with 9's?

From what I've seen the appearance is the same but the newer wheels are considerably lighter
old 9x16 is ~15.93#
new is ~ 13.15#

yes 245/45 is the tire for these wheels, it's a nice choice because it is shorter than 225/50 x16 thus importing a peppier acceleration curve

down side if using Fuchs is the the 7x16 fronts pretty much limits you to limits you to 205/50 or 205/55, though you could squeeze 225/45 or 225/50 on the 7s w/ some work

avahdani 11-15-2024 12:19 PM

Thank you Bill


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