no spark

[Ordsgt]

Brand new engine installed in a chassis no body. Engine cranks fine. 6.3 volts at Battery, both posts on coil and at points. Spark jumps with screwdriver from point arm to points. New coil still no spark installed another new coil still no spark. new coil wire still no spark. no spark from coil to head with just wire and no spark at any plugs. New points, condenser and coil wire. Gap on rotor and points is in spec and 3 different boats ( Distrib top). I am stumped