You should be hitting 11's w/ that combo. I think you could leave the headers at 1 5/8" and the 4.10's though. As for the AOD I couldn't tell ya......I'm a 5-speed guy
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'90 5.0 LX - heads, intake, cam, fuel delivery, gears, full exhaust, pulleys, ignition, drag springs, front brake upgrade, a/c delete, K&N cone filter charger.......and much more!
1/4 mile: 12.29 @113
60': 1.78
my ride