Coil upgrade

[Baz]

My Spidy has a coil that is seated in an Aluminium heat sink....this is a fairly ugly unit and I was wondering if there is an improvement I can make to upgrade this unit. Perhaps something in an ignition upgrade. Has anyone done this, how did it work, any performance improvement, what brand etc.
Thanks

Baz (nearly finished a beautiful Spidy)

[htchevyii]

You can change to a MSD or Accel coil, but you're stuck with the heat sink, the HEI ignition module to mounted to it beneath the coil. I think it is mainly there to keep the ign module cool.

[manoa matt]

You can take the aluminum heat sink to a shop to be bead blasted, it will look like new. Accel makes a coil for electronic breakerless ignitions that has the same primary and secondary resistances as the stock coil. It may put out slightly more than the stock coil. I think the MSD is an even higher output

[htchevyii]

Bead blasted with an Accel coil & module.