Bedding in new slix

[77racing]

I have a set of new slix I will need to use this coming weekend. Qually looks to be wet but the race is looking to be dry. I would normally bed new slix in during qually. Couple of questions.....can you race on new slix without putting a heat cycle through them first with out damaging them ? and secondly I was thinking of CAREFULLY bringing the new tyres up to temperature on the rolling road. Anyone think using the rollers is a bad idea and if so why.

[77racing]

thanx, I will contact Dunlop as well to see what they say and report back their advice,although no luck so far finding a phone number for them as yet.
size is 285/660/18

[77racing]

mybrainhurts said:

Why, in the name of the Holy Grape of Grimsby, can't you type SLICKS....?

Just wondered...

Thanx for your post

[77racing]

Weslake-Monza said:

Why not ask the tyre manufacturer and report back?

I spoke to Dunlop Motorsport dept and a leading Dunlop motorsport distributor this morning. Their advise was broadly the same. Ideally you want to put a gentle heat cycle through the tyre before you race on them. If you race on new slix they are good for the first part of the race with lap performance dropping off steadily as you go, also the tyres longevity is seriously compromised. For instance if you ran your tyres for 5 races you would only get reliable reduced performance for 3 races after with no pre race curing, that's ok if you have a good tyre budget. Cold to hot pressure will be the same from new tyres as from a used set. Both advised a hot pressure no more than 30psi although they varied quite a bit on starting pressures. Dunlop thought my start psi was ok and I like to end up at 29psi hot.

One said absolutely no to the rolling road idea the other had no problem as long as you don't over do it and start gently and build up heat, bringing tyre up to a temp short of blistering hot but just enough to cure tyre again. They suggested I use a temp gun across the width of the tyre. They both agreed that a heat cycle before was the way to go if possible to achieve longevity and consistent lap performance from the tyre, that's if you use your tyres for more than a race meeting as I do. They both said that their advise was for my set of circumstances and car and that other people and cars can vary, so seek advise tailored to you and your car was what I got from that