I just added 1.5 quarts of the ATF+4 to my low mileage all original Superbee and drove 1100 miles round trip from Knoxville, TN to St Louis, MO for Monster Mopar Weekend and had the following tranny troubles:
1. Zero
2. Zilch
3. None

Good to go by my account!

Wile E. Coyote
Super Genius, Lover of FCA US LLC Products
*************
68 Road Runner (440 4-spd), 71 Superbee (383 slap), 71 Charger 500 (383 4-spd wA/C 1of 182), 72 Imperial, 74 Charger SE (440 sunroof), 84 D350 Crew-cab Dually (440), 75 D300 Dually Tandem (318 4-speed)