I am new to the board and I am looking to share setup information with fellow Vibe owners. I am an avid autocross competitor and have been competing in autocross events for 10 years.
The Vibe is a super fun multi purpose car but I must say that I have struggled with this car on the autocross course. I have only done 2 events so far with this car and I am looking to share some experience with members on this forum.
Here is my best finish in the Vibe:
I am running H-stock with Bridgestone RE-01Rs - stock size (205/55/16) on stock wheels. I ran with pressures at 32 PSI rear 36 Front set cold. These crept up to about 35 rear and 40 front when hot.
No other modifications from stock.
Here is what I struggled with:
The car has gobs of power but I am having a lot of trouble keeping the wheel spin in check. Although the crowd enjoyed the smoke show it was not the fastest way around. It seems that as soon as the steering wheel is turned at all there is inside wheel wheelspin and more so than pretty much any other FWD car I have run on the autocross course. The obvious driving change was to modulate the throttle better. I found that in the low-speed stuff 1st gear was useless over 6k RPM because of... well if you own a GT you know what happens over 6000RPM. So I have spent my time trying different combinations of entry speed and exit throttle amounts to try and eek out the best times I could.
Grip was O.K. The car pushed some - which I expected since it is stock with not a very sophisticated suspension.
I'd like to stay stock. If anyone has stories about how they changed driving style or did something and still stayed in stock class... those are the kind of things I'd like to try first. What comes to mind immediately is shocks. If anyone would share what they are running and how the behaviour of the car changed especially with respect to wheel spin that would be awesome.
I am not completely against modifications but my opinion is the next class up would be significant time and effort.
I'm looking forward to the 2009 season.