2014/12/18 23:56:44
Tree
Tis a bummer regarding the recent mishap 92hardtop. But looking forward to the resurrection.
1MZ? That's tame even for you Aaron. Did you lose your cojones last MTC? Beams? No, this little bugger needs more punishment then that! V12? Getting warmer, but not there just yet...I have indeed been collaborating with Santa. Rather, Santa didn't have much of a choice...but I'm sure you boys will like it
Pete - there'll be nothing left of the ozone layer..
 
2014/12/19 00:52:54
robk
Hey guys.
For those of you who have been to MTC previously, can any of you tell me how many millimeters of your brake pads were consumed over the 2 day MTC event? I forgot to take note of mine when I was at the last MTC.
I currently have about 7mm remaining at the front and 6mm at the rear, which I reckon should be enough but I'd like your opinions. I'll certainly be changing my brake fluid, but I don't want to change brake pads just for the sake of it.
While I'm at it, I may as well ask about tyres too. I have high-end street tyres (Pirelli P Zero and Goodyear Eagle F1 Asymmetric) with about 60% tread remaining. I think that will be enough.
2014/12/19 18:55:45
kameleon
Rob that is HEAPS on those pads mate.
 
The tyres will be rubbish because they're street tyres. Your rear will get greasy fast too.
 
BUT that just means few less constant laps, no biggy.
2014/12/19 19:04:17
Admin
What's your treadwear rating Rob? <220=good >220=bad.
Brand and what others tell you is irrelevant. It's all about the treadwear rating.
The lower the treadwear rating, the better the lap times you will get.
I have 100 on the GT4 and 40 on the race car.
2014/12/19 20:26:10
robk
kameleon
Rob that is HEAPS on those pads mate.

Thanks, that does make me feel a lot better :-)
I'll probably buy some spares so I have them anyway, but I'm not sure which brand to get because I haven't got experience with many different brake pads. My only good reference point is the TRW pads that I have on the front and I'm very happy with them. However, as you told me yesterday TRW no longer makes the same compound so I have to choose a different brand. At the moment I'm considering Bendix SRT, EBC Redstuff or EBC Yellowstuff, but I don't have experience with any of them. I still have to research Performance Friction too.
Quick question: in your opinion, how 'dusty' are the TRW pads that I have? To me they seem quite dusty (acceptably), but I'd like confirmation from someone else so I know what to expect from other brands.
 
kameleon
The tyres will be rubbish because they're street tyres. Your rear will get greasy fast too.
BUT that just means few less constant laps, no biggy.

I forgot to mention that they're the same set of tyres that were on the car at the last MTC, so I already know what to expect from them. I'm well aware that I'm sacrificing corner speed by using street tyres, but I was quite happy with them at the last MTC. I did notice a drop in performance occasionally, but overall they held up well.
 
Admin
What's your treadwear rating Rob? <220=good >220=bad.
Brand and what others tell you is irrelevant. It's all about the treadwear rating.
The lower the treadwear rating, the better the lap times you will get.
I have 100 on the GT4 and 40 on the race car.

I wouldn't say that brand is irrelevant, because different brands with the same treadwear won't always perform the same, but of course you're right in saying that a lower treadwear rating will always be better for the track.
It's all relative though. I've never intended for my car to be track-oriented, therefore the tyres aren't either.
My Goodyear Eagle F1 Asymmetric tyres at the front have 240 treadwear, and the Pirelli P Zeros at the rear have 220 treadwear. I like being able to drive to the track, and have the tyres perform 'satisfactorily', then return home on the same tyres for a whole lot more street driving.
Having said that, in recent weeks leading up to the next MTC, I've been thinking about whether I should buy a second set of rims with semi slicks, just for the track. I'm not a track regular yet, so it might not be worth having separate rims (and semi slicks) at this stage. I should mention that I don't like the idea of swapping to and from semi slicks on my existing rims because that increases the probability of them being accidentally damaged by the tyre shop one day.
Ultimately, the main factor here is COST. The only way to have plenty of grip at the track is to spend heaps of money on tyres.
2014/12/19 20:39:50
Admin
Get Federal 585 RSR tyres. They are in the middle and don't cost too much
2014/12/19 20:40:19
Admin
Typo. I meant 595
2014/12/19 20:41:48
Admin
Redstuff pads are good pads for the street and you can use them on the track too. They are also very clean
2014/12/19 21:10:54
robk
I've heard a lot of good things about the Federal 595 RSRs. What's their treadwear rating? 100ish?
Do you know how they compare (on the track) to Advan A050 mediums? The reason I ask is because I was so impressed with the A050s when I was a passenger in Adrian's car.
I hope the Federals are MUCH cheaper though haha.
2014/12/19 21:47:01
Admin
Yes they are 100. A050 will be around 40-50. I don't think that Yokohama publish treadwear ratings.
What you should get depends on how much you drive your car and how much grip you want. The more grip you have, the quicker they will wear out. If you drive your car once a week, 100 would be OK though if you drive every day, I would recommend 200-250 if you still want some performance and still have some tread left after 6 months.
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