I never did overcome the Mopar low voltage at idle issue using any of the Mopar alternators. I even tried the smallest pulley I could find on the alternators.

I stumbled across the adapter bracket to mount a CS 144 on my car. It puts out 135 amps at a slow idle and over 200 amps just off idle. Yes, I did upgrade my wiring to accommodate the heavier amp load by using a lot of the Mad Electric theory. . I was not after the peak output, but wanted more amps at idle.

No one has ever noticed that it's a non=Mopar unit.

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1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)