|07-22-2008 09:02 AM|
"Behind the cone" is a great teaching tool. It forces you in closer. Heed this advice. It is also an advantage in a FWD car. you can get out faster because you are PULLING yourself through the corner and can draw more direct lines to the next gate. It also keeps the car stable and happy. Happy cars are fast cars.
If you intend to continue running in GS. Buy tires. They are the best investment that you can make. i know its easy to spend other people's money, and then there is the issue of storage, but they will buy you a minimum of 3 seconds over your street shod competition. However, WAIT until next year before investing. Learn the car as it is now and then make the plunge so that you can better adjust.
Traction control remains active all the time (even when turned off) at speeds less than 30MPH - if I remember correctly.
Shuffle steering is a big help. Keep at it!
As for the tire PSI. 45 is too much. You are overheating the tire and reducing the overall footprint. This causes a slide and puts you off line. In a stock SVT, I would not go above 40PSI, regardless of tire manufacturer. Adjustments to your driving style will help keep the tires at optimum temperature.
The CG lock is a good investment if you don't want to install harnesses.
You are doing well though. Keep it up!
|07-22-2008 12:29 AM|
A couple notes - think of setting the car up so that the rear tire is the closest to the cone as you pass.
45PSI! Wow - I can run my fronts at 36-38 without excessive rollover, but I do have camber plates. That may be a symptom of over-driving - you don't setup your line, then work the front too hard to make your turns. Think of driving a line that lets you get on the gas as soon as possible, which may mean giving up some speed on entry.
I run a Schroth harness and really like it - I have a CG-Lock for the passenger seat, but an instructor showed me a trick that works just as well - twist the seatbelt one turn before you buckle it, and you get the same effect of a CG-Lock.
Good luck + have fun!
|07-21-2008 11:59 PM|
Thanks for the tips, I truly appreciate them!!! I'm waiting for our results to be posted from this weekend's event, but I learned a lot and got a lot of seat time. We had a two day event called "the cone killer classic" and it consisted of two days of racing. I had my buddy Mike ride with me to critique my driving as he's be doing it for a few years. He noted right away that i was turning too late, which is something I had noticed on my videos. I was waiting until I was on top of the cone to turn and then I frantically turned the wheel and "shocked" the car. He kept telling me to be "behind the cone" and it was a hard concept for me to grab, but I did and it paid off. I've consistently been .5-1 second behind the GS leader who drives an Acura RSX type S. I managed to beat him on Saturday, and I lost to him by .04 seconds on sunday... overall for the weekend I beat his times by something like .06-.08 seconds which made me very happy. I have the runs on video and I'll post them up later.
Michlong- I am running Dunlop direzza star specs on my car in a 215-40-17 size. I like them a lot, but they get greasy for me. Our runs are a bit on the long side and I'm definitely over-driving them as shown in the video. I bought a sprayer and I spray them at least two times between runs and they stay way more consistent.
Weeasp- Right now I'm running STN (street tire novice) since this is my first year, but so far all of the others running in GS are running street tires and not slicks. There was a celica running slicks but the owner just traded it for a 350Z. I believe my clutch is slipping on the launch so that is the only reason I'm taking it a little easy on it. I make all of my runs with the traction control turned off, but even with it turned off it is still on at low speeds it seems. I know exactly what you are talking about in regards to the hand shuffle and I'm trying to break the habit of crossing my arms. that was one of the first things I was told when I started autocrossing, its just such a hard habit to break for me but I'm trying! :) I'll pay more attention to the shifting aspect of the runs too for now on. As for the seat, I ended up moving closer to the steering wheel this week and raised the steering wheel height as well as I too noticed that I was sitting up in the seat at times. What do you think about a CG lock? I sat in a RX8 at the event with a CG lock and I was quite impressed at how well it did in fact hold me int he seat.
As for the air pressure, a few people expressed concerns with how much tire roll I was experiencing on the front. I ran them at 45lbs this weekend and they still rolled enough that the letters "DUNLOP" were making contact with the pavement. I too worry about this but I'm not sure that I want to go any higher with the pressures. i thought that with the 215-40-17 that the short sidewall wouldn't roll much at all... that is not the case. I'll try to get a few pics of the tires when I put the videos up. I haven't considered STS or STX, to be honest I haven't looked into what I can or can't add to be in those classes. Thanks again for all the help!
|07-21-2008 03:19 PM|
First of all great runs!
The first question I have is if you are running in GS, is your competition running DOT race tires. If the answer is "yes", you will have a VERY difficult time keeping pace.
Putting that aside, a few thoughts:
1. Your launch. Given the SVT propensity to bog in first gear, let it hang out. Any time you lose spinning tires is still faster than the bog.
2. Hand position. While not easy to master, shuffle steering is your friend. on a couple of occasions, you crossed up your arms. That minor delay was enough to put you off the race line.
3. Shifting. By in large, the shifting was crisp. however, a couple of times, you either moved your hand to the shifter and then back to the wheel or left your hand on the shifter in the middle of the corner. While only a fraction of a second, you lost some turn in ability from a physical standpoint of not having the rest of your body assist you.
4. Seating position. For the most part it was very good. On a couple of occasions, you were "leaning into" the turns. This disrupts your perspective. Try cinching the belts as tight as possible to keep you planted in the seat.
As for air pressure, based on what I HEARD, you were driving the tires at the absolute ragged edge. I don't think that adding or reducing the pressure set up you have will gain you a whole lot.
Back to the issue of classification. Have you considered running in STS or STX? Either of those would be more competitive and earn you a better overall index than GS.
|07-21-2008 02:52 PM|
|07-21-2008 01:59 PM|
|michlong||are you running the dunlop direzza sports? the new star spec versions? i am just debating which tires to go for?|
|07-20-2008 02:07 PM|
|mpsii||Just read in Grassroots Motorsports mag about high pressure in the front and low in the rear to make the rear loosen up a bit. Helps with turn in.|
|07-20-2008 01:26 PM|
|svtstu||Also, in your quick run you were a lot tighter on the cones. I don't know what your setup looks like, but I would recommend trying to setup the car with more oversteer, I picked up over a second a run by loosening up the car. Tire pressures are tricky because unless everyone is on the same tires we don't know whether dropping the air pressure 2 psi in front will make it sloppy or help pick up some more grip in the front. I run about 32 front and 34 rear with pirelli p-zero nero m+s's and score pretty well, however with my continentals I ran 42 front 38 rear. The pirelli's pick up grip as the pressure drops, where as the conti's pick up grip as the pressure increases (til 42 psi). So, just try and get creative with the setup and see what happens, change one variable at a time until you know what different things will do, then adjust your car to the course during the event.|
|07-12-2008 09:57 AM|
|07-12-2008 09:55 AM|
There are guys that come out to our events from Pittsburgh all the time. I can't remember where else they race at, but I feel there is another place in the 'burgh that has events.
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