I would have thought that 60a at idle would be plenty for my car. At idle in D (this is when I found the fluctuation), I had my brakes applied, headlights on, my MSD 5, and my 2 O2 sensor kits. That is it! Does this sound like 60amps?

Thanks Nacho.

1970 YO7 A66 [Canadian Export] F8 Challenger
340 (Currently in shop for stroker assy.)