Doing a rebuild. I have a ta 49 turbo. Going with a roller cam set up. I have majority of the usual bolt ons. I was wondering if it's a good idea to get more compression out of the pistons since I'm replacing them and if so how much ? Also is a upgraded intake and bigger throttle body a must with my mild build. I have hot wire kit bigger fuel pump bigger injectors 3 inch down pipe and test. Fuel pres reg. just was hoping to get some info thanks