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MG MGB GT V8 Factory Originals Technical - Pertronix Upgrade.

I have just received my Petronix upgrade kit for the Mallory twin point dizzy.
Should I keep the Ballast Resistor?
Petronix recommend you remove the resistor but also say it is Ok to leave it!!
I have an unrated coil so I assume this will also be OK to keep. I believe any coil 0.6 Ohm or greater is acceptable.
Any help would be appreciated.
D M Tetlow

I ran a 76 BGT with pertronix (branded Aldon Ignitor) and ballast resistor for three years until I sold the car without any problems. I now have the same unit fitted to my non-ballasted '72 BGT for the past 2 years and it still works as sweet as a nut.

I can't say I've noticed any significant difference in the performance between the two cars with different setups. One thing's for sure though, the Pertronix is a well worthwhile upgrade from a points system IMHO.

Sorry my answer is none-too-technical, but car electrickery is not my forte. ;-)

Mike BGT

From what I read, keep the ballast if using the stock coil. Remove the ballast if using a 'Flame Thrower' or some upgraded coil.

Thanks Gents.
I will keep the resistor.
It will also mean that if I have a problem with the new setup I can easily refit the points.
D M Tetlow

This thread was discussed on 14/02/2007

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