Got a 91 and Im putting a rear end from a turbocoupe in my car the car. Originally it a 4 cylinder but has the v8 brakes on front and will have rear disc in back....Question is, is tomorrow Im going to replace the MC and the power brake booster. What MC should I get that will work with no modifications and what brake booster should I go with? also if I dont change the rear diff out tomorrow will the new MC work with the drum brakes as well?