LIGHTENING A STANDARD FLYWHEEL/OR BUY NEW?
 

IS IT WORTH GETTING A STANDARD WRX BLOBEYE FLYWHEEL MACHINED TO BE LIGHTENED (SPOKE TO A GOOD GUY I KNOW HE SAID HE CAN DO IT AND TAKE AS MUCH AS HE CAN OFF AND SKIM IT FOR £80).
SO MY QUESTION IS,HOW MUCH WEIGHT CAN BE SAVED ON A STANDARD ONE AND STILL BE STRONG ENOUGH FOR 380BHP?,OR IS IT WORTH BUYING ONE NEW?AND IF NEW WHAT ONES ARE RECOMMENDED? CHEERS LADS!:)