Someone here just recently dynoed a 505-ish motor with TF240’s, a hyd roller and a 6bbl.
The cam specs were something like 247/263-113.5.
He posted the cam card on the thread so you can check out the specs to be sure.

I thought he said it had about 9” of vacuum, so you can use that as a gauge point for the size of the motor/cam/vacuum.