19" Track Tyres
Discussion
I always seem to have trouble finding tyres in the corerct size for the rear as I track my C6 Z06 and tyres seem to last about 5,000 miles.
http://www.camskill.co.uk/products.php?plid=m12b99...
I have just seen this and wonder if it would go on the 19 x 12 rears, theoretically it should as 305mm is larger (just) than 12" but I went onto Toyo's site and they don't do 19" tyres?
Anyone know anything about it?
http://www.camskill.co.uk/products.php?plid=m12b99...
I have just seen this and wonder if it would go on the 19 x 12 rears, theoretically it should as 305mm is larger (just) than 12" but I went onto Toyo's site and they don't do 19" tyres?
Anyone know anything about it?
Interesting one!
Toyo don't as yet do 19" tyres on Z06 sizes - much as I have nagged them!!
It is very frustrating because the TR1 would be great for everyday use, and the 888 for track use.
Regarding the 305/30/19 Proxes888:-
rim width 11.0"-- overall width 12.0"--- tread width 11.5" --overall dia 26.5"- rev per mile 784
and the standard Goodyear:-
rim width 12.0"-- overall width 13.2"--- tread width 11.6"--overall dia 26.7" -- rev per mile 783
So it would appear that there is little beween the two tyres, though the max rim width for the Toyo is 11.5
It would be worth phoning Toyo and see what they have to say - you could mention that you are looking for 325/30/19- and they will probably say "Oh not him again"!!!
There are of course other rear alternatives for track use in 325/30/19 - Michelin Pilot Sport Cup ,Hoosiers, or Pirelli P Zero Corsas.
If you are worried about wear, it's worth noting that the standard Goodyears have a wear rating of 220 - the Toyo 888 at 100 - the PSC and the Corsas at 80 - and the Hoosiers at 40!!!
The lower the number the softer the compound so you can make your own guess as to how long each tyre would last you !!
You could go to 18" rims on the rear for the track, and use the Proxes 335/30/18 which from reports work very well.
Couple of other things worth considering when thinking of changing tyres and wheels, and the tyre pressure sensors and the front/rear ratio of tyre diameters
Both these have a bearing on the effectiveness of the Active Handling System.
Pehaps you might not need the Active Handling System - I think it is always a wise fallback for all but the most talented.
The Z06 can step a long way sideways with remarkable alacrity given a chance and the right conditions, and in close quarter drag strip lanes the unwary could perhaps end up sideswiping the barrier wall or the opposition - AH will help prevent this.
If you go to aftermarket 18" wheels, you should go for those which will accept the TPS - if you do away with the TPS you will throw up codes on the DIC.
If you are changing wheels with TPS sensors, you will need access to a TPS setting tool to key the new sensors into the ECU
The ratio of the Front/Rear tyre diameters is also suposed to affect the correct functioning of the ABS,and active handling - so you should keep to much the same ratio as the standard tyre setup.
Hope his helps
Toyo don't as yet do 19" tyres on Z06 sizes - much as I have nagged them!!
It is very frustrating because the TR1 would be great for everyday use, and the 888 for track use.
Regarding the 305/30/19 Proxes888:-
rim width 11.0"-- overall width 12.0"--- tread width 11.5" --overall dia 26.5"- rev per mile 784
and the standard Goodyear:-
rim width 12.0"-- overall width 13.2"--- tread width 11.6"--overall dia 26.7" -- rev per mile 783
So it would appear that there is little beween the two tyres, though the max rim width for the Toyo is 11.5
It would be worth phoning Toyo and see what they have to say - you could mention that you are looking for 325/30/19- and they will probably say "Oh not him again"!!!
There are of course other rear alternatives for track use in 325/30/19 - Michelin Pilot Sport Cup ,Hoosiers, or Pirelli P Zero Corsas.
If you are worried about wear, it's worth noting that the standard Goodyears have a wear rating of 220 - the Toyo 888 at 100 - the PSC and the Corsas at 80 - and the Hoosiers at 40!!!
The lower the number the softer the compound so you can make your own guess as to how long each tyre would last you !!
You could go to 18" rims on the rear for the track, and use the Proxes 335/30/18 which from reports work very well.
Couple of other things worth considering when thinking of changing tyres and wheels, and the tyre pressure sensors and the front/rear ratio of tyre diameters
Both these have a bearing on the effectiveness of the Active Handling System.
Pehaps you might not need the Active Handling System - I think it is always a wise fallback for all but the most talented.
The Z06 can step a long way sideways with remarkable alacrity given a chance and the right conditions, and in close quarter drag strip lanes the unwary could perhaps end up sideswiping the barrier wall or the opposition - AH will help prevent this.
If you go to aftermarket 18" wheels, you should go for those which will accept the TPS - if you do away with the TPS you will throw up codes on the DIC.
If you are changing wheels with TPS sensors, you will need access to a TPS setting tool to key the new sensors into the ECU
The ratio of the Front/Rear tyre diameters is also suposed to affect the correct functioning of the ABS,and active handling - so you should keep to much the same ratio as the standard tyre setup.
Hope his helps
Edited by songman3 on Friday 23 January 19:47
Edited by songman3 on Friday 23 January 19:48
Thanks Songman3, I kind of thought it might stretch in a "euro look" way but it seems to me an inch might be too much on a track.
Didn't know about the Pirellis, might be worth checking that out.
I currently have Bridgestone RE050A, rears being 345/35/19. I had to jack up the coilovers to make them fit though. They were the only tyres I could get hold of last year...
Maybe some narrower rears for the track would be a good idea then those toyos would fit.
Didn't know about the Pirellis, might be worth checking that out.
I currently have Bridgestone RE050A, rears being 345/35/19. I had to jack up the coilovers to make them fit though. They were the only tyres I could get hold of last year...
Maybe some narrower rears for the track would be a good idea then those toyos would fit.
The latest Porsche 997GT2 uses the same size rears as the Z06 - Pilot Sport Cups - 325/30/19
The Pirelli Corsas are fabulous tyres - I've used them on another car to great effect - much in the same vein as the 888, but without doubt a heck of a lot more expensive!!
Like the 888s the dont carry much tread so whilst they are OK in the wet, you have to be careful of standing water.
The general consensus from friends in the US - go Pilot Sport Cups for road/track or Hoosiers for hard core track use only.
The way forward in the UK? - keep nagging Toyo
How/where did you find the Bridgestones? - are they any good?
The Pirelli Corsas are fabulous tyres - I've used them on another car to great effect - much in the same vein as the 888, but without doubt a heck of a lot more expensive!!
Like the 888s the dont carry much tread so whilst they are OK in the wet, you have to be careful of standing water.
The general consensus from friends in the US - go Pilot Sport Cups for road/track or Hoosiers for hard core track use only.
The way forward in the UK? - keep nagging Toyo
How/where did you find the Bridgestones? - are they any good?
My local tyre place sorted the Bridgestone's for me, the rear ones are the Enzo tyres and probably wouldn't fit if I had standard suspension because of the 35 profile.
The grip from them is good, much more progressive breakaway than the Goodyear's and the wet weather grip is vastly improved too.
I did want to go with Pilot Sports but there was a month or so waiting time and since I had 3 bald tyres at the time I had to go with what I could get!
The grip from them is good, much more progressive breakaway than the Goodyear's and the wet weather grip is vastly improved too.
I did want to go with Pilot Sports but there was a month or so waiting time and since I had 3 bald tyres at the time I had to go with what I could get!
It it very frustrating not to have a wider choice of tyres for such a great car!
It seem like -
- stay with the standard 18/19 configuration and use PSC or Corsas for road and track
- keep the standard wheels with Goodyears for road, and buy an extra set of 18/19 wheels fitted with Hoosiers for the track
- keep the standard wheels with Goodyears for road, and buy an extra set of 18 wheels all round with Proxes 888 [345/30/18]for the track
- go to 19/20 as fitted to the ZR1 and use the PS2ZP runflats
Some prety costly options there - perhaps the most cost effective at present is to buy an extra set of 18 all round for track, and go with the Proxes 888 front and rear.
Think the 888 will be the best long term option for cost/performance.
I think Godzilla has done this and is seem happy with the outcome - perhaps he will comment?
On the other hand you could phone Toyo and ask about 325/30/19
It seem like -
- stay with the standard 18/19 configuration and use PSC or Corsas for road and track
- keep the standard wheels with Goodyears for road, and buy an extra set of 18/19 wheels fitted with Hoosiers for the track
- keep the standard wheels with Goodyears for road, and buy an extra set of 18 wheels all round with Proxes 888 [345/30/18]for the track
- go to 19/20 as fitted to the ZR1 and use the PS2ZP runflats
Some prety costly options there - perhaps the most cost effective at present is to buy an extra set of 18 all round for track, and go with the Proxes 888 front and rear.
Think the 888 will be the best long term option for cost/performance.
I think Godzilla has done this and is seem happy with the outcome - perhaps he will comment?
On the other hand you could phone Toyo and ask about 325/30/19
Edited by songman3 on Saturday 24th January 10:48
There are at least 2 of us that run on 18" front & rear toyo 888's on the forum. 335/30 rear and 295/30 front. The front to rear ratio is virtually identical. Songman's first post covers it all! You need tyre pressure monitors to be able to turn off active handling. Go on ccwheel.com for the perfect wheel set-up.
Not much to add, but just to confirm that I had a set of 18" wheels made by Image in Brum and they work well, clearing my big Brembo calipers and fitting the TPMS sensors (but not as well as the OEM wheels).
I usually use R888 335/30 18 rears and 285/30 18 fronts but Toyo were out of stock and I have 295/30 fronts at the moment, which are a trifle wide for the rims.
Never found anywhere with the Michelin Pilot Sport Cups in stock in the UK in standard sizes or that would have been the least hassle, if expensive and a bit dodgy in the wet! (MPSC are even worse than the R888s in the wet)
Hopefully the GT2's appearance will mean PS2 and PSC in stock sizes eventually this year.
I would probably then buy PS2s and keep them on all the time!
I usually use R888 335/30 18 rears and 285/30 18 fronts but Toyo were out of stock and I have 295/30 fronts at the moment, which are a trifle wide for the rims.
Never found anywhere with the Michelin Pilot Sport Cups in stock in the UK in standard sizes or that would have been the least hassle, if expensive and a bit dodgy in the wet! (MPSC are even worse than the R888s in the wet)
Hopefully the GT2's appearance will mean PS2 and PSC in stock sizes eventually this year.
I would probably then buy PS2s and keep them on all the time!
ivanj said:
How long do 888's last on the road?
About as long as Goodyear F1 EMTs, i.e. about 3k on the rear in my experience!BTW, Tom, I would counsel against 305mm MPSCs on the rear. I went out on the Nordschleife with a mad Czech Z06 owner with them on his car and he nearly put it into the barriers a couple of hundred yards from the start, i.e. on the main straight!
Didn't appear to have any traction at all, and they looked like they were stretched dangerously on the rim.
I know you drive like a nutter Godzilla but 3k is ridiculous! 
My car is no stranger to speed but the Goodyear Supercar F1 EMTs I just took off mine weren't new when I bought the car and have just completed 13,000 miles when I took them off! Fronts would have lasted another couple of thousand too!
Just paid £306 x 4 plus Vat for a set.....
My car is no stranger to speed but the Goodyear Supercar F1 EMTs I just took off mine weren't new when I bought the car and have just completed 13,000 miles when I took them off! Fronts would have lasted another couple of thousand too!
Just paid £306 x 4 plus Vat for a set.....
Godzilla said:
ivanj said:
A freind just mentioned goodyear F1's any opinions?
Er, they are the only stock OEM tyre for the Z06! Or are you talking about another model?Nige, you need to start driving yours properly, 13k miles my a$$!
Tom74 said:
Godzilla said:
ivanj said:
A freind just mentioned goodyear F1's any opinions?
Er, they are the only stock OEM tyre for the Z06! Or are you talking about another model?Nige, you need to start driving yours properly, 13k miles my a$$!
which reminds me I need to do an oil change as the DIC told me I need one this morning....so that's an hour on Sunday taken care of!Gassing Station | Corvettes | Top of Page | What's New | My Stuff