Definition of Models:
1) Bluetooth Programmable = Program with Phone or device.
For Android see 123\TUNE+ or For Apple see 123\TUNE
2) PC Programmable = Program with a PC, Download software and cable required
3) Switched = Preset curves you select via a switch.
We love to help, please use our contact tab above. See the help button for installation issues.
These distributors have state of the art electronics. You should have a good understanding of the basic principles for installing distributors. ALWAYS! confirm your timing at the crankshaft against a point in the app with a timing light. This will sync the app and the motor.
If you do not feel qualified please reach out to your mechanic.