Quote:
Originally Posted by pontiaco1
So I have a 2018 1LE with full bolt ons and E85, been doing autocross for like 6 times and I don't understand why people say to turn off everything, meaning PTMs, in my experience my car seem to slide more with everything off, when I put it on sport 2 or race it seems to have way more bite and it won't hardly slide.
But now I got one last race for the year for autocross and I'm trying to get the most out of the car. Last to weeks I replaced all rear suspension with BMRs control arms and locked out bushings, front and rear swaybars and end links and Brand new SC3 tires alone with a GM track alignment, do you guys feel like I should turn off everything or what?
I must add that this time it will be the first time I run with the GM track alignment set up and the car is feeling much better, before GM track alignment car had -1.4 camber with 10deg toe in front and 1.3 camber and neg 5 rear.
Any suggestions??
Thanks.
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Id suggest you post it in Autox section perhaps? Not sure what suggestions you're looking for exactly. Folks that track their cars usually run way more aggressive camber settings vs what GM recommends. As far as the car "sliding": under what condition? Braking, cornering, or accelerating? Understeer, or oversteer? I could write a book here (which I won't
). Suffice it to say this: if you turn everything off, it is up to YOU to manage the car's balance in ALL situations. If you run PTM up to Sport 1 then Stability Control will assist in managing excessive yaw angles when cornering and Traction Control will manage any tire overslip under acceleration. If you go Sport 2 or Race, Stability Control will no longer be active. But Traction Control will still manage tire overslip during acceleration. Hope this helps ua some
. Cheers!