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Yokohama Advan A052

Rumor has it Yokohama is updating the A052 to be legal for SCCA Street/ST competition (It's already 200tw, but just shy of minimum tread depth right now.)

With the update is rumored to be a few sizes of interest to a few of us. Supposedly the bold will be available when the update is released, with the non-bolded planned for later:

Quote:
195/50R15
195/55R15
205/50R15
225/50R15
195/45R16
195/50R16
205/50R16
205/55R16
225/45R16
225/50R16
245/45R16
So 16" Fuchs guys may have a modern, correct height tire option. Neat.

Reviews of the current tire put it similar grip wise to the Rival S / RE71r, with feel between the razor sharp RE71 and the softer but more forgiving BFG. It's also reported they're not quite as good cold but hold up to heat better, which would make them a great choice for HPDE days or AX in hot climates.

To meet eligibility for the 2019 SCCA season, the tires will need to be available in a minimum amount of sizes by the end of April, so keep an eye out at your favorite tire retailer.


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Matt - 84 Carrera
Old 03-26-2019, 07:22 AM
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Thanks for the info Matt.
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Old 04-03-2019, 03:17 AM
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Bolded tire sizes from my original post are listed at least on tire rack. Not cheap.

Letting the guinea pigs test them out first.
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Old 04-21-2019, 01:45 PM
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$$ Wow twice the Brice of my BFGOODRICH Rivals...... did they win something !
Old 04-22-2019, 04:48 AM
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$800 a set for 225 & 245 right now + a $100 rebate making them $700. Not bad!

Anyone try these yet?
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Old 06-25-2019, 05:07 AM
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Seem to be "comparable" grip wise to the RE71 and Rival. A lot of reviews say they split the difference between the tires. They have a sharper turn in feel than the BFG, but are more tolerant of slip angle than the RE71. Most everyone notes they hold up longer into a track session before getting greasy than either.

Seems like the one standout aspect is that people with bigger power like how they put power down more than either of the existing tire.

So no revolution so much, but another viable option that might work well for you depending on your car / driving style / intended use.

I ordered a set for my competition car with the intent of doing some back-to-back testing, but they're on backorder so I'll miss my good opportunity.

FWIW, I don't care for the RE71 on my 911, it's too razor edge. The BFG lets the rear of the car move around a bit more, which seems to be how to get the car to work. On the flip side, the BFG feels sloppy and dull on my fwd car, and I much prefer the precision of the RE71 on it. So there's no one "best" 200tw tire right now.
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Old 06-25-2019, 01:14 PM
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This might be the best option for us running 245s. It's either 100tdw R888R or the crappy T1R unless we want to spend twice the money on some Pirelli 60tdw Trofeo Rs or their uninspiring street tires.

I'm about to install my 3rd set of the R888R, they work well and seem to have lasted about as long as my previous 225 RE71R
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Old 06-26-2019, 05:38 AM
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Quote:
Originally Posted by Mr. Merk View Post
I'm about to install my 3rd set of the R888R, they work well and seem to have lasted about as long as my previous 225 RE71R
Are you happy with how the R888R work?
Did you use the old R888 before, any difference?

I'm about to put on a set of R888R since I've just used up my last R888.
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Old 06-27-2019, 05:52 AM
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Quote:
Originally Posted by safe View Post
Are you happy with how the R888R work?
Did you use the old R888 before, any difference?

I'm about to put on a set of R888R since I've just used up my last R888.
Yes they have SO MUCH grip when new. My first set I drove on from Arkansas, through the rockies, across the salt flats to San Francisco before dropping down to LA for Luft5 last year. When in LA we were pushing the car VERY HARD on the canyon roads and I was just laughing at how much grip I was experiencing in my otherwise stock Carrera.

Once they get down to the wear indicators they definitely start to get slippery. It's always the rears first and it makes it fun to drive tail-out, but obviously not as fast. I've put 6000 miles on these rear tires since March and they're nearly smooth so I just ordered a 3rd pair this morning to put on before next weekend's fun.

I never ran the R888. Before this I ran stock wheels with 205/225 ZIIs and then RE71Rs
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Old 06-28-2019, 06:07 AM
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Quote:
Originally Posted by Mr. Merk View Post
Yes they have SO MUCH grip when new. My first set I drove on from Arkansas, through the rockies, across the salt flats to San Francisco before dropping down to LA for Luft5 last year. When in LA we were pushing the car VERY HARD on the canyon roads and I was just laughing at how much grip I was experiencing in my otherwise stock Carrera.

Once they get down to the wear indicators they definitely start to get slippery. It's always the rears first and it makes it fun to drive tail-out, but obviously not as fast. I've put 6000 miles on these rear tires since March and they're nearly smooth so I just ordered a 3rd pair this morning to put on before next weekend's fun.

I never ran the R888. Before this I ran stock wheels with 205/225 ZIIs and then RE71Rs
Thanks!

I'm putting on my R888R next week, if my local tire shop is open (vacation period is starting around here).
Will be interesting to compare them with rhe old R888, which I think was a very good tire. Good on the streets, except in heavy rain, and pretty good on the track (not the fastest).
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Old 06-28-2019, 06:47 AM
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For me $800 a set for 225 & 245 it is a great price
Old 07-10-2019, 09:27 AM
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Quote:
Originally Posted by safe View Post
Thanks!

I'm putting on my R888R next week, if my local tire shop is open (vacation period is starting around here).
Will be interesting to compare them with rhe old R888, which I think was a very good tire. Good on the streets, except in heavy rain, and pretty good on the track (not the fastest).
A bit of thread hijack....
The R888R was fantastic. Really good grip from "cold" a lot more than normal street tires. They did hold up very good when they heated up, capable of sustaining heat a lot better than the old R888. Ultimate grip... maybe not better but definitely not worse.
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Old 07-15-2019, 11:25 AM
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One reason I'm excited about these Yokohomas is that they offer a 225/50.

The R888R only has 225/45 which handles fine but lowers the nose of the car. To correct ride height I had to raise the front suspension. The smaller tire diameter & the raising the suspension makes for terrible fender gap. My car looks sky high but is lower than euro height.
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Old 07-23-2019, 04:47 AM
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Just to bump this I figured I'd try this tire. In the AX world, they seem to be quite effective as long as the car has good suspension kinematics and/or camber. I have the latter on my 911.



Here's a 225/50-15 mounted on a 15x9. Yokohama recommends this tire for a 6-8" wheel, looks pretty fine on the 9" to me. Runs real wide for it's size. Obviously would work just fine on an OE 15x8 Fuchs as well.

It's 1.2" taller than the 245/40-15 BFG Rival S I was running, but still 1.3" shorter than OEM tire height for my '84. So trying to split the difference between good AX gearing and tolerable freeway rpm.

OE rpm @ 80mph 3270
225 Yok @ 80mph 3448
245 BFG @ 80mph 3621

What I liked about the BFG is the total lack of concern about slip angle - hang the tail out like a drift competition, it didn't care. Was easy to bring the car back. Hopefully the A052 is ok with a little sliding. I'll report back with my impressions once I get an event or two in on them.
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Old 08-26-2020, 04:46 AM
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I was just making notes today in comparison to the Toyo R888R in 225/45r16 & 245/45r16 the Yokos will save me 3lbs per tire. 12 total lbs of rotational weight gone!

The Yoko 225/45s are .2" taller which helps the fender gap on the 911s. The Toyos are extra short but a 225/50 on the front rubs inside my fender, (not on the lip) running 951 8" wheels up front.

They have an extra 1/32" of tread and double the treadwear rating (if that really means anything)

The Yoko's SHOULD be better in the rain, although I've never really had issues with decent tread depth on the R888Rs, I've been running them exclusively for nearly 25k miles.

Lastly, the Yokos are $220 more for a full set.
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Last edited by Mr. Merk; 08-26-2020 at 01:06 PM..
Old 08-26-2020, 01:04 PM
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So they're good tires. They replaced 2017 date code 245 Rival Ss. The taller tire on the freeway is nice, anything under 80 (gps speed) is plenty comfy. My car is pretty loud so not fair commenting on noise level, nothing objectionable that I could tell.

On course, the tire felt much closer to the Rival than the RE71R. It breaks away progressively and controllably, and is fine with some slip angle. My car is pretty lazy on turn in regardless of tire, yet anything is sharper than the 225 rivals stuffed onto 7s up front.

Tire feels stickier than the Rival, especially when putting down power on corner exit, though the torque reduction from the gearing hit likely had an impact on that as well.

I had high expectations for the tire, and they delivered. We'll see how the wear goes, but they're a step up from my previous favorite Rivals. The Rival is a little more slip angle tolerant which is a little more fun, but it's a very small amount.
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Old 08-30-2020, 04:43 PM
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Quote:
Originally Posted by Mr. Merk View Post
One reason I'm excited about these Yokohomas is that they offer a 225/50.

The R888R only has 225/45 which handles fine but lowers the nose of the car. To correct ride height I had to raise the front suspension. The smaller tire diameter & the raising the suspension makes for terrible fender gap. My car looks sky high but is lower than euro height.
Well ended up with the 225/45 after all. I needed some all-season front tires to get home from Colorado a couple months ago so I tried 225/50 but they rub on the left front fender.

New rubber just arrived!
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Last edited by Mr. Merk; 09-01-2020 at 01:58 PM..
Old 09-01-2020, 12:36 PM
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Just a little touch of sideways.



EDIT: That dog is adorable.

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Old 09-08-2020, 09:27 AM
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