DYNA 4000 Pro Ignition:
Must use DC9-1 or DC9-2. The DYNA 4000 ignition
system is designed for racing only and is matched to the characteristics of the
DC9-1 coil for optimum energy production.
Recommended - DC7-1, DC8-1, DC10-1, DC3-1, DC6-1.
Use coil with 5.0 ohms primary resistance for street use, 3.0 ohms primary
resistance for racing applications.
Single Plug Head:
Single Fire - Use two single output coils, street
or strip.
Dual Fire - Use one dual output coil, street or
strip.
Dual Plug Head:
Single Fire - Use two dual output coils, street
only.
Dual Fire - Use two dual output coils, street or
strip.
Dual Plug Head, single fire racing applications:
Use two DC2-1, 1.5 ohm coils, connected in series
for each cylinder. Since these coils are dual tower, one tower of each coil must
be shorted to chassis ground.
DYNA S (non-Harley):
Recommended - DC1-1. Use coil with 3.0 ohms primary
resistance.