im no mechanic,parts changer.im wanting to put on a pair of magnum heads from imm engines(brian)on my 360 magnum.i have a few questions,do i need roller rockers or can i use my stock rockers and pushrods?i have a hughes 1828 (228/544) cam in it now,that i want to keep.i also have a rpm airgap.what else do i need to know when i bolt these on?ive heard things like coil bind, installed height?do i just put on my rockers and pushrods and bolt it on?like i sain ive never rebuilt an engine,just a parts changer.please walk me through this if you have time and dont mind.thank you