i have a 1985 buick regal with a turbo motor i have the 78 intake and turbo i need to know if a 1987 gn cam will work? is their any differance in the cam from the regal with a 2bbl and a 87 gn cam? Is their a difference between a 85 gn cam and a 87 cam? i really need to know if any one has a cam they know work. i have a edelbrock cam in their and its junk. i will post pic of the engine how its set up now if some one doesnt understand what i did to the car.