ok I understand everthing but first I will change jet 888cc and turbo. but I dont uderstant a little bit. performance parts ar same? sr rb or zj?or diferent? exactly piston and connecting-rod ? besauce maybe i change it and i dont have information about it. ok if I change jet and turbo , big ic 2in 2out, ms2 with oil pack system,but engine inside stock , can I do 500hp????