Quote:
Originally Posted by Hans-Olof Blom
I am using an MSD Digital-6 unit with a current draw of 0,7 Amps/1000rpm. The numbers for the MSD units are from MSD's specification. I assume that they know what they manufacture and sell. A minimum of 5 Amps is probably what is needed to be able to drive the car.
I have a standard 65 Amps Ford alternator which is what ERA recommends. I have no problems with the electrical system. Yes, the Amp-meter goes negative when my 3 cooling fans kicks in at idle. But that is one reason why I have a battery in the car.
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Exactly the same for me, in all respects. If I'm sitting at a stop, with my two pusher fans and one puller fan spinning, and brake lights on, there will be a slight discharge. If I angle my heel over and kick the revs up a bit over a 1000 or so the ammeter needle swings back over.