Should be a 3.08 - this has been used on most E-Series base sixes with the auto tranny. For an optimal start, hold the brake pedal and accelerator together (increasing revs without moving) before launching. Don't do it too much on the stock tranny though.
Jack Travis, E-Series Acting President
1989 Ford Fairmont Ghia turbo/GL replica (underway)
1994 Eunos 800M
1990 Ford Laser S