340 x heads hi po manifolds install question.

Drain coolant/i Slotted the one end of the studs with a dremel so you can screw them in/installed them last (the front one by the alternator was tight) (LONG) with teflon pipe sealant/some say use exhaust gaskets / my flanges were flat/driverside I needed to wiggle The steering-coupler its a rectangle but it dropped right in after that