Thanks Roger. The 4.30's worked great in my Notch. It was a mild N/A setup. The car was nothing special. It felt like it picked up about 50hp when I went to the 4.30's. It would spin the tires big time from a roll when I switched to them. Which it never did before that. I think I had 3.73's before that. I would never run anything lower than 4.30's if I ever do another AOD car. Just my $.02.