I have put my Scirocco together with an electronic distributor and the correct black Bosch coil. The sticker on the coil says to use an external ballast resistor, the Bentley test is for .8 ohm resistance in the stock wire.

The engine starts easily and seems to run fine without one. I have 1.6 ohm ballast resistor that I tried and the engine will not start with it.

What's everyone's experience? Do I need to buy a .8 ohm resistor or not? Isn't the voltage from the coil more of an issue for distributors with points? On the other hand, I don't want to second guess the Bosch engineers.

Thanks in advance.