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Discussion Starter · #1 ·
I came across a site once that you plugged in the tire height, trans ratio and gear ratio and I think a MPH and it spit out a RPM number.
I'm trying to decide on what rear gears to put with this AOD.
Wanting to know the rpm values at certain highway speeds.
Anyone have this link?

66 coupe, bench, 289 2v, dual exhaust, C4, A/C, Clearwater Aqua,

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