that's gonna be dictated by compression and to a lesser degree stall and gears.
so if you're running that 70's 318 with dog water compression then it's kind of an exercise in futility, because you need some semblance of compression to make the whole encharito work.
run the calcs and see where you're at with those eddy heads and a thin headgasket, then reassess the situation and decide where you want to make the compromise.
or roll dice on something that has a very early IVC, reasonable lift and duration with a 112 or (preferably) less LSA.
or go cheap and throw a melling/summit white box cam at it and damn the torpedoes!
(spoiler alert, it's not gonna be great)
