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Hey everyone! I'm very new to the activity and I have some questions about car setup as I prep for the upcoming season. My goal is to get the car set up better before the season begins and leave it alone to better focus on developing my skills as a driver. If this post is better placed elsewhere, I apologize. Please direct and I will correct my error. First, a little background for you:
I race in the Tennessee Valley Region and last year (2018) was my novice season. I drive a 2015 Series.Blue BRZ in STX. The mods on the car currently are a Tein Flex Z suspension, Perrin exhaust with a high flow cat, header that I'm not sure what exactly it is, 20mm Whiteline front sway bar, 3/4" spacers on the front hubs and 1" spacers on the rear. Other than the sway bar, all of these mods were present when I purchased the car. I ran the season on 7" wheels with 225 BFG Rival 1.5 tires.
1) Tires. STX is allowed up to 265 on a 9" wheel. I've not found anyone yet who runs 265 so I'm guessing they rub up front. I see a lot of people run 245 and a bunch who run 255. Can someone explain to me the deciding factor on choosing between 245 and 255? Is there a reason I haven't seen people running 245/255 in front and 265 in rear? NOTE: I'm planning on pulling the spacers off next time I'm working on the car.
2) Ride height. How do you determine where to set ride height? Is it essentially as low as you can go without rubbing?
3) Odd classing question. I've seen notes about limited run models sometimes getting bumped into different classes. As the Series.Blue is the only model to come stock with the aero kit, does this actually bump the car into SM or since it was with it from the manufacturer can it still play in STX?
Thanks!
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