>I read in my Haynes manual for 82-92 Firebirds, that my 86 T/A WS6 has 2.77
>rear gears with posi...should I stick with it, and if not, what would be a
>good gear ratio to replace it with?
Most WS6 cars with the 5.0L LG4 had 3.23 gears. Whats your RPM at 60MPH? If its around 1800 RPM then you have a 3.23. If you can find the build sheet in the car it will have the rear end ratio.