Timing on tb42

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Hi i tryed fiting a Pertronix Electronic Ignition system to my tb42 today, when it was hooked up,the car started and ran ruff then stoped. Tryed to start it again and it just started to sound like the timming was out, back fireing through the carby. So i put the points back in and it started fine and Idled fine. I checked the timing and it was inbetween the 0 and the next mark. I was told that it was set at around 6 degrees bye the mechanic for the gas. My Queastion is is this the right seting and would this make it use the gas like it's going out of style and also go like a dog up hills?
Cheers Russell
One thing i forgot was that when i try to change the timing it will only go one way. So the timming mark will only go to the 0 mark.