Anybody feel like clearing this up? Which cam and lifters?

PhillH said

Thanks Wild Crazy, I really want to do a roller setup, just like it better, but can I use the rollers rockers with a good hydraulic cam non roller? I don't know which to use hydraulic or solid, I need help there. Frosty I'm hoping to save a few bucks by reusing the stock valves. Just getting a good valve job and port matching. I understand hughs makes drop in roller hydraulic lifters? I'm still all over the board on this, please explain suggestions so I can understand why.

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The factory heads flow up to and peak in the .450/.500 lift range, opening the valves a lil more than that is the idea to a point...once you spend too much time and go too far into the turbulent zone you can get in trouble"flow backing up/reversion" more for less, in other words...so with that in mind the thought behind going beyond the lift/flow number u want is too get the valves open/close cycle 'which are sustained much longer than peak lift' close /around that flow@lift. That could be anywhere from .030-.100 above the 'hypothetically let's say its .480'..so if at .480 the port flows the let's say 250cfm, then something like .530 lift would be a good idea, that is if the port don't back up into the 215 cfm. Jmo

What heads?
Within the relm of stock, a 280 degree .500-.540 lift cam with 238-242@.050 would do it.