Hey, guys.
I have been emailing and chatting with Pro10 drivers from around the globe and asking them what their tire references are for un prepped asphalt. If everyone is into it, let's use this thread to share that information such that we can all secure the best line of preferred tires. I have both a Corally and JACO order going in on Monday so this will help. Here is what is recommended so far:
JACO foam (Typically found on most rims such as BSR, some Corally and so on).
**Pink Rears w/Pink, double Pink or Purple Fronts.
**Green Rear with Green or Blue Fronts
**Acqua Rears and Green or Acqua Fronts
**Yellow or White rears with Pink, Double Pink or Purple Fronts
Corally Foam
**Gold Rears with Goldstar Medium or Goldstar Hard Fronts
**Goldstar Medium Rears with Goldstar Hard Fronts
Gandini, GRP
**Magenta Rears, Purple Fronts.
I have a shore rating chart that compares compounds and a master chart that compares some of the older manufacturers' products. The problem is that some of the oldschool names remain but their compounds have changed.
Please take the time to post here after this weekend and let us all know what tires you might have used and what you thought of them in terms of performance and the biggie - wear.
To start, last year Brian and I used predominantly Corally Gold rears and Goldstar Medium Fronts.
Thanks!
Phil
Last year I had pretty good success with Jaco Greens front and rear. The only caveat was the front greens were wearing out at an alarming rate. I have done a significant number of changes to the car since then so hopefully I can tune the car more for decent front tire wear. I'll know more after this weekend.
Mick
Hey, Mick.
Did you try the Acqua rears? What did you think of White Rears and Black Fronts on asphalt? How did the whites wear? Had you tried Blue Fronts? Apparently a little less traction but much better life.
Phil
I have not tried my tires that I got with the pan car I got, but they are green fronts, and puple rears. I got it from a friend in Edm it came with carpet tires but the new ones in the package were these ones, but again I have not tried them, so if they dont work I will getting new ones...
I haven't tried the whites on the Darkside at our track yet. I did run them, almost exclusively on the 10L that Pat now owns and they seemed to work quite well. Same goes for the Aqua rears, I have yet to try them at our track with the Darkside. Again they seemed to work pretty well with the 10L. I also had success with the black fronts on both the Darkside and the 10L.
Mick
Call me naive, but I would hardly categorize our track in Colwood as "un-prepped".
What with all the coke/rootbeer/etc/syrup, the traction wash, the sun-tan lotion, I'd suggest we have a very well prepped, grippy surface on which to race on.
Hi, Nick.
I wasn't suggesting ours is unprepped, only that this was the question I posed to them as a baseline. I wanted to know where they started when things were loose since it's pretty straight forward to figure out the increments from there.
Interestingly, on the Corally tire chart, they give three info indications: tire traction with compound, without compound, and life. However, they don't have an indication of carpet versus asphalt. For that particular compound I know what works on carpet so again, I just wanted to start out loose and work up from there since carpet represents the other extreme. Guys actually did provide some suggestions for when traction increases which is why there are several front combos mentioned above. For example, when loose, they suggest pinks all the way around. As it builds, they step up to pink rears and double pink fronts, and so on. The point at which wear increases and traction goes up, they step up the hardness which is logical and easy to figure out. Simiarly with Corally, Goldstar Soft to start is fantastic, but the wear is horrible as traction builds (unravels like servo tape! LOL), so they recommend Medium after traction builds. Needed to start somewhere!
P.
Just wondering if its recommened to true the tires down on asphault, or should they be left stock diameters? Performance is always good, but I am more interested in trying to prevent chunking of the foam.
I am going to run the GRP wheels this summer.
Shawn.
I'll be running brand new untrued tires to start with. I haven't found that chunking is as big a deal on pavement/asphalt. The best thing to prevent chunking is to use some thin CA glue and run a bead along the tire/wheel joint.
Chunking is usually caused by the tire not being 100% glued to the wheel and as you go through the corners with a lot of traction that bond slowly works it's way until the tire gives way.
Mick
Hey, Shawn.
We're actively working on a solid GRP supply line, too. I've been in touch with them for a few months now. The challenge is consistent stocking levels since they are Italian and pretty much the most expensive product in the category. The range isn't as broad as the other popular lines so the Magenta/Purple combo will work or it won't on our track. Apparently the Magenta is a little on the harder side as is their purple, so let's get some feedback posted when you try them.
For truing, personally I find that truing the fronts makes the biggest difference if you are going to true anything as it can greatly affect performance and grip. For example, I tried pinks last year and you could hear the front end chatter in corners. When I trued them down, that went away and they were very consistent throughout a run. At the time I didn't have much in the way of tuning options so perhaps it can be addressed through springs etc. The problem was that life suffers as a result of truing them down. Lots of learning!
P.
Hi, Guys.
What a day of racing! You may have noticed Brian Mick and I hooking up on occasions and doing bloody donuts at other times. This was because we were trying different compound combinations on three different types of cars to see what worked and what didn't. Personally, each of the three heats and the main had different tire combos. After chatting with Mick, Brian, and others here is what we found works with as much of a commentary as we can with one test day:
Green Front and Rear - good solid combo but very high wear. If you run these all day, don't be surprised to see half of the diameter on the fronts evaporate. Seriously. Green rear with Blue fronts is a better but less aggressive combo and less likely to cause donuts with a hair trigger and easier on the pocket book, too.
White or Yellow or Aqua Rears with Goldstar Medium or Hard Fronts. Brian and I tried these combos and loved them The Medium fronts are aggressive but have reasonable wear although you'll notice traction fading in a hurry around 4 min. The hard fronts, however, were the ticket. Aqua rears may be a little better under higher traction conditions.
White or Yellow rears with Black Fronts. Good solid combo although I noticed that the rear started to wash out earlier than other fronts.
Gold Rears and Goldstar Med or Hard fronts. Solid performers, much like the white/yellow/aqua rears. I would liken this to a white rear tire but they wear longer.
So, in sum, I think the two popular choices were greens all around, and Gold, White or Yellow rears with Goldstar Med or hard fronts.
Did I miss anything, Guys?
Phil
I can add that the black fronts had every bit as much bite as the greens did but had less wear. This may prove to be a better front tire than the green.
Mick
I can add that the black fronts had every bit as much bite as the greens, but had less wear. This may prove to be a better front tire than the green.
Mick
Good information fellas. Nice to have to guinea pigs out there figuring out what works and what doesn't. I can't wait to join you guys; looked like too much fun out there!
Blake