Ah ha yes...
DR, the dead passing gear. Well a number of things.
If memory serves me correct, your T-Bird does have the 2 barrel RIGHT?
Then...
1. A vacuum leak from the intake manifold to the tranny...
2. An air fuel mixture issue...
3. The RPMs at which you are traveling may be extremely faster then the spedo says because of 13" rims and tires and it's about maxed out.
Start with telling me IF it will immediately kick in going 10mph, 20 mph, 30 mph etc, etc, then lets see where the problem begins or if it is constant?
Okay
Keep me posted
