I agree sheding wieght is all above board, but you are going to need your seat.
EDIT: as an idea I'm contemplating putting together a Project Cars Pro Thread to run along side this one with the rules being tighter, i.e NO aids and full damage the only options you will have are manual or automatic gears. I'm thinking we stick with the BAC Mono and use the Azure Coast point to point stages which are all kinds of fun.
"As a species we evolved with complex communication and sound reasoning, monkeys fling poop." ~ Me
“A person who never made a mistake never tried anything new.” ~ Albert Einstein