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Yokohama A048

 
Old 02-12-2004, 11:01 PM
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PeterS
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Default Yokohama A048

Has anyone had a chance to try out the Yoko A048's yet? I was wondering how they compare to MPSC's.

Thanks,
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Old 02-13-2004, 02:08 AM
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Hi Pete,

A lot of the guys out here in Hong Kong have run on 048's and one of the reasons for this is that Yokohama attend and sponsor some track days. In this regard, they are very aggressive in marketing but provide good support.

I have tried them on a 964, 993 and 996 and all of which were C2 manuals. My overall impression on them are that they are a very consistent tire in terms of operating temperature and therefore the lap times which they yield. In comparison to say the Dunlop D01J for example, the D01J's are softer in comparison and therefore provide the best lap times in the first or second lap. However, the 048's give similar times over a longer period.

I also noticed that the 048's came in three different compounds depending on their size. I think that 18" tires only come in two and they are relatively hard and therefore, either the car has to be heavier or it takes some time to get them upto optimal temperature.

Another thing that I noticed was that the construction of the 048's is that they have a relativel soft sidewall and one can tell when you really "lean" on them. Comparing the same sized tire from Michelin or Dunlop for example and you will note that the 048's have a rounder shoulder. The others obviously being more square and therefore meaning that they have a wider footprint so better for hard braking.

In the wet though, I found that the 048's behaved relatively predictable and better than the MPSC's. However, I try not to drive R-compound tires at all when in the rain!

Overall and in the dry, the MPSC's are probably still the benchmark.

I hope that was helpful.

Regards,

R
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Old 02-13-2004, 02:31 PM
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Excellent review, thanks!
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Old 02-17-2004, 02:35 AM
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How do they compare to the A032R or A038R tires?
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Old 02-17-2004, 10:00 AM
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Hi Danno,

I have yet to try the Yoko 032 and 038 so I cannot comment on a comparitive basis.

Regards,

R
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Old 02-29-2004, 07:33 AM
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Default On R compounds...

What is a good cold tire pressure to start with?

This is acutally not P-car related but I hope people familar with the R compound situations can help.

Last Dec, I spent 2 days at Sepang F1 with my 3700lbs Skyline GTR33 shood with new(DOM2001) Dunlop RSVs 265/35/18 R compounds. I had started running them 27psi cold all ard and was running them about 34psi hot.
On the second day, the rear left tire blew up.

According to a Dunlop rep, I was running tire pressures that was too low.
IS 27c really too low?

Over here in Norcal, I run 27 cold all the time on my 94 RX7s. I've used Kuhmo V700s and MPSCs in similar sizes and never had a problem.

The rep blew it off and also told me that the racing tires have no warranty.
Fine by me...but I still think it wasnt an issue with tire pressure...

any advice?



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