Going to take a break from the W-30 resto to detail the 72 442 vert for the Dallas Autorama. I bought some of the Calyx manifold dressing that Eastwood's sells. Can it be brushed over the exhaust manifolds if they are already have Eastwood's original manifold coating brushed on them? I saw a Chevelle that had the Calyx on the manifolds and it looks awesome. Also, anyone try it on the Master Cylinder? Thanks!