Grand Am Series
Join Date: Feb 2009
Location: Indianapolis, IN
I also swear by this app. It's dead on accurate when I have used it at an SCCA road race, same times the transponder shows in T&S.
I use my iPhone with a roll bar mounted mount and Optrix case, cheaper than a GoPro and it provides on screen data. Worth every penny!
are you racing a 3?
I am the Stig... Corksport SRI, Sure Torq R3, Sure BSD, JBR short shift plate, Eibach Pros, Koni yellows, Hotchkiss rear sway, EBC Yellow Stuff, Hankook Ventus RS-3 (track)