To much cam??
According to COMP:
284H 284/291 @ 0.006"
239/246* @ 0.050"
104* ICL / 108* LSA
intake opens 38* BTDC
intake closes 66* ABDC
exhaust opens 78* BBDC
exhuast closes 34* ATDC
Hydraulic-Strong midrange with a lopey idle 2800 + stall with 9.5:1 compression replaces the popular 484 cam.