409's with A10

[JCN]

for anyone running 391's or 409 gears with the auto how does the trans act. Do you like them, I wonder if 1st is almost wasted it would rev so fast. And ya I'm going to ask how much mileage change do you notice. I didn't buy it for mileage but I drive it a lot so it is a consideration. Like, dislike, word of wisdom, smart remarks? Thanks Jim

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