I just bought a 88 shelby csxt and built it from the ground up it came with no motor or transmition so i bought a new one for it is also converted to t2 it has a 782 fast burn head with a new roller cam on it i thought would stop the rocker arms from poping out but it didnt it has poped out a total of 8 time and im am getting tierd of it can someone plz help me out with any info on why this is happening.