Circuit Semi Slicks

[evil_weevil]

Howdy all,

long time no post.

So my plans of motorsport are changing, I'm no longer doing the door to door racing and looking at doing more hill climbs, motorkahanas and the occasional track day

I've been using the V70A for last 4 years on my MX5. Been great for races however given I'm not going to be doing them and doing more shorter runs but grip still needed, are the NT01's from Nitto any good?

from my understanding its similar to R888?

[Duncan]

I've not used either but the feedback on 888 was always that they worked well on lighter cars but not heavy ones like skylines.

Despite the posts above about wear, I would be going hankook for short runs, they are clearly the quickest tyres around, there is a reason they were banned from superlap. Plus they are 2/3 or even 1/2 the price of yoko/dunlop/bridgestone options

[evil_weevil]

the Z221's?

yeah look good!

I had R888's years ago and swapped to the V70s and dropped some good lap times at Wakefield.

but given I'd only be at Wakie once this year I don't see the point in spending big!

[Dale FZ1]

If you were a bit serious on Hillclimbing, I'd look to a set of Avons in super soft compound. Hoosier probably do something similar spec/capability.

If not, go for the Nittos they will work virtually from cold. Waste of good money on the Hankooks for motorkhana, even softs take a little temp to work.

Hankook weren't "banned" from WTAC, but what regs are going to allow a tyre other than that made by a major event sponsor?

[evil_weevil]

Thanks Dale,

got a link to the Avons?

[Duncan]

Gordon Leven sells them, they are the duck's nuts for hillclimbing. http://www.gordonleven.com/brands/avon-tyres/ About $500ea as usual.

Neil got 4 weekends of 4x 1.5 minute runs out of them, or about 30min total life before they were rooted. But they were soft and quick.

[evil_weevil]

ha $500 a pop is slightly out of my budget haha

[V28VX37]

ha $500 a pop is slightly out of my budget haha

But $2000 for 30min is only about $65/minute?

[Duncan]

I'd rather think of it as $4000/hr....the last time someone quoted me that........

[hrd-hr30]

The current hotness in hill climb semis slicks is A050 Soft. But they're serious money as well.

Be careful with Nittos - they're not road legal and are not on the CAMS prod car tyre list.

[V28VX37]

The current hotness in hill climb semis slicks is A050 Soft. But they're serious money as well.

Be careful with Nittos - they're not road legal and are not on the CAMS prod car tyre list.

NT01 is the same compound as the R888.

The new R888R is meant to be fully road legal, at least in Europe, but whether the GG compound is the same as the R888 GG I'm not sure.

[hrd-hr30]

NT01 is the same compound as the R888.

The new R888R is meant to be fully road legal, at least in Europe, but whether the GG compound is the same as the R888 GG I'm not sure.

Neither of which has anything to do with NT01 being road legal or CAMS approved.

R888 are both road legal and CAMS approved. R888R are not on the list yet, but that's just a formality. NT01 will never be on the list as it does not comply with CAMS void ratio requirements.

[evil_weevil]

ah cool.

I'll stay clear of the Nitto - thanks Harry

[neil_se]

Are you running in classes that strictly restrict you to the CAMS tyre list? None of my local events care, only state-level competition. I'm a big fan of the NT01s for long-lasting tyres that work from cold.

[hrd-hr30]

Any CAMS event with classes that have to use semis, are restricted to tyres on the list - even club events. It's just a question of whether the scrutes and competitors know/care, or if anyone else questions it. NT01s are not legal for those classes, but they're not exactly a performance advantage, so chances are nobody would care if they even knew... lol

The cowboys at Morgan Park turn a blind eye to people even using 2 groove cheater slicks in their modified production classes, but that doesn't mean the rules aren't there - it's just that they have mistakenly let it go on for so long that there's now too many people cheating the tyre rules to do anything about it!

Edited February 4, 2016 by hrd-hr30

[Grease]

Anyone run A048's on their Skylines? Just wondering what kind of life I can expect of them and if they are a decent track tyre?

[warps]

No they heat cycle badly. 050s are better long term value as the grip levels are higher and they maintain those levels till they're bald.

048s are old technology - been around forever (at least 15 years that I know of)

[Duncan]

+1 we used to have to run them as a control tyre and they were horrible.

Good on the first use, but thy quickly became junk even though they might have plenty of tread left

also, they about the most expensive tyre you can buy.

[Grease]

Well I know not to get them again. Picked up a cheapish second hand set from boz still heaps of tread but since you are saying they dont do well after some use may not matter. At wakey next month if they a rubbish can become a Motorkhana set haha.

I am doing Cams supersprints championship this year. I also dont have $2k for a set of tyres so what is something that will increase grip last a few rounds and not require my first born as a deposit?

[warps]

Nothing wrong with using the 048s if you already have them. They won't be fast but still better than a set of road tyres. Once you wear them out you can make the decision on what to go for - whether you want to spend big $$ and be competitive or get something cheaper that might be a bit slower.