blow off valve

[Dom]

thanks for all your advice Phil i'd be lost without you
another question for you i put a blitz fmic on my car, looks the job, but i dont drive my car hard plus its my first turbo car but a friend of mine whos had a few evos had a loan of it when he droped it back to me he reckons its suffering from bad turbo lag any advise would be great ,advice on how to sort it if it is and how to tell
if you lived in ireland you'd be worth a fortune dude very few decent places to leave cars like supra