'89 360 LA valve spring/cam confusion

need to know your spring installed height
do you need a locating cup under the spring
are you planning on running roller tip rockers
are these stock length valves or are you running 11/32 or 5/16 chevy valves? (the how heavy is your valve side combination, heavy stock to ligherter valves to Ti :)
or can you use a step up retainer and or keepers
are you thinking of a standard or fast action (Howard agressive or similar) HR how much pressure does the cam mfg want closed and open
are you thinking single spring with damper, dual springs, or beehives?
so you have a HR block or is this a retrofit HR build?
Is the cam a regrind? lift and duration have you picked a cam yet? or are we doing a simulated build then pick a cam that works with the head parts chosen?
what size pushrods?