efi 5 liter 30 over built to be blown have some rocker problems hitting valve cover have 1 inch ford racing spacer goes between upper and lower intake so i can run taller covers what i need to know will it stand the test of time and how will it afect or will it afect rpm tork so what we have is a mass air motor with ts- 1000blowzilla s/c 8 psi of boost is this paper looking spacer going to hold up and what changes is it going to make to the motor thanks Howard.