I know you wont be able to be precise but what sort of hp do you normally get out of a single turbo FD with ECU and Front mount. Also is it a real killer on the insurance.
Err, depends?!!!
1) what porting your motor has
2) what turbo you use
3) and what BOOOOOST you run :)
Small single say 350-ish at the wheels
BIG single - how much power do you want? :D MANY other variables to consider though obviously.
And you\'d need more than just I/C and ECU, fuel system for e.g.