what should I consider to be a reasonal rpm redline for a motor that I've built? SPECS/COMPONENTS; 1972 Dodge motorhome engine block code th413, stock forged crankshaft, stock forged connecting rods, cast aluminum car pistons, approx compression ratio 9.5 or 10 to 1, ARP rod and main bolts and head studs, slightly ported motorhome heads, weiand intake manifold(idle-6000), mild performance hydraulic camshaft(280*/.480" or less), adjustable rocker arms(ductile iron), HV/HP oil pump, 1.75" hooker headers, mild performance single valve springs(compcams).