Supra_Al Posted January 24, 2003 Share Posted January 24, 2003 Today had fitted a pair of 255/40/17 Dunlop Sport 9000, has anyone had a pair of these if so how did you find them? Good or bad,....i can take it! This way we together can sort out the good and bad ones.Al. Link to comment Share on other sites More sharing options...
tDR Posted January 24, 2003 Share Posted January 24, 2003 They are fitted to my Mother's 330Ci Sport BMW, on all 4 corners. I end up driving the car a lot and find them nice and grippy, very progressive but they squeal a hell of a lot! My bad tho for switching all the driver aids off They are also very long lasting for a performance tyre, seems to be a relatively hard compound. Their downfall is wet weather performance - not so good here. Link to comment Share on other sites More sharing options...
Supra_Al Posted January 24, 2003 Author Share Posted January 24, 2003 Cheers for the info Thunder............just had a blast, yes very grippy(in the dry that is) they're new so need a few miles to bed in i suppose.I'll let you know in the wet, Al. Link to comment Share on other sites More sharing options...
AJI Posted January 24, 2003 Share Posted January 24, 2003 I have Dunlop SP 9000's on mine, very good tyre they are too. It's my second set and I find that they have a good life-to-grip ratio. By that I mean they provide a good grip level in both wet and dry and they last a long time. Maybe not as ultimate grip as Pirelli P0's in the dry but then they don't last as long as SP9000's. Quite a good price aswell, I found my set to be a lot cheaper than Michelin's, Pirelli's and Goodyear tyres. Link to comment Share on other sites More sharing options...
SMW Posted January 24, 2003 Share Posted January 24, 2003 Sorry if I'm digressing a bit but has anybody else been told that you need to take it steady for the first few miles after having new tyres fitted? Something to do with oil used in the manufacturing process? May well be nonsense just that somebody at work mentioned it. Link to comment Share on other sites More sharing options...
Supra_Al Posted January 24, 2003 Author Share Posted January 24, 2003 Yep, that's what i was told,guess it makes sense.........anyone? Al. Link to comment Share on other sites More sharing options...
Mark Ayling Posted January 24, 2003 Share Posted January 24, 2003 I can't explain the science behind it, but you do definitely have to bed in your tyres for a few miles before caning them....I'd be interested to know the techie answer.... Link to comment Share on other sites More sharing options...
Doughie Posted January 25, 2003 Share Posted January 25, 2003 I think it's basically because there is a releasing agent on the surface to get the tyre out of the mould easily and this needs to be scrubbed off which can take up to 100 miles, depending on use. Tyre will definitely not give max. grip until this has been done. even without scrubbing off this release agent, the surface of the tyre will be almost shiny smooth and this isn't good for grip either, so the rubber needs roughening up so it's not shiny. something like that. same goes for motorbike tyres (prolly even more so) Link to comment Share on other sites More sharing options...
Mark Ayling Posted January 25, 2003 Share Posted January 25, 2003 Makes sense - cheers... Link to comment Share on other sites More sharing options...
SMW Posted January 25, 2003 Share Posted January 25, 2003 I think it's basically because there is a releasing agent on the surface to get the tyre out of the mould easily and this needs to be scrubbed off which can take up to 100 miles, depending on use. This better describes what the guy at work told me. Have never been given this advice by a tyre fitter though, I would have thought they should be telling people this. Especially people with fast cars:) Link to comment Share on other sites More sharing options...
Darren Posted January 25, 2003 Share Posted January 25, 2003 Had Pirelli P7000s fitted this week on the backend. Had it stressed by the company to give it atleast 50 miles b4 getting silly on the throttle. 10 out of 10 to those guys for customer care!!! As pointed out earlier fast bikes are lethal on new tyres!! Supra's aren't much better! Darren Link to comment Share on other sites More sharing options...
Alex Posted January 25, 2003 Share Posted January 25, 2003 How about doing a burnout in the carpark of the tyre centre? Obviously only works for the rears, but surely that will scrub 'em! I've got the dunlops all round, they last well and the grip off the line is very impressive. I would gess at the end of the day their cornering control is not as good as say Pirelli Rosso-C's but they do most things as well as a mere mortal like I, on stock suspension, could ask for. Link to comment Share on other sites More sharing options...
AJI Posted January 25, 2003 Share Posted January 25, 2003 Alex, that was exactly what I did when I got my new set put on. I did an impressive 40m burnout and also a few heavy braking efforts to scrub the fronts. Link to comment Share on other sites More sharing options...
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