Vilder, Red or Purple?

What is the difference between the red and purple Vilder boxes? What colour is the newer model? Do they work with an aluminum flywheel?

I am thinking of buying a programmable ignition and Vilder's are going for a decent price these days.
 

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Location
Clearwater Fl.
The last ones I got from vilder were blue... Purple ones that I had, all went bad. But I was using a Jetinetic's flywheels too, I went back to the 62T flywheels when I got the blue vilders and have never had a problem with them running and the curves do exactly as programmed.
PS and been fine for over 4 years...
 
The last ones I got from vilder were blue... Purple ones that I had, all went bad. But I was using a Jetinetic's flywheels too, I went back to the 62T flywheels when I got the blue vilders and have never had a problem with them running and the curves do exactly as programmed.
PS and been fine for over 4 years...
I have a Riva charging flywheel so if they don't like the Jetinetic's I am sure they will have problems with the Riva.

What kind of problems did you have with the purple ones?
 
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