Here are the 19T GTS/GT1 rules
Body: Any touring/GT-1 style body UNMODIFIED as it appears from the factory that is either in production or has been retired AND has appeared in a full scale touring class event (ALMS, SPEED World Challenge, British TC Championship, etc.) OR a GT event(FIA GT, Grand American Road Racing, Trans-Am, American GT Challenge, etc) Please have manufacturers name and/or website available during initial tech session (tires may not protrude from body) Body list will be posted on the website.
Motor: Any ROAR legal C2 based modified as it appears directly from the factory wound with 19 turns. Fixed timing only.
40 oz minimum weight with EVERYTHING! (including transponder)
ROAR Pro10 rules will be used for tires
ROAR T-2 Electric Touring rules will be enforced or all other measurements (except width)