I also thought they were mass-air, but I could be wrong too!
Weren't they equipped with 351s? Those older Lightnings had real 'clean' lines on them.
I would think that it could tow your Mustang without any issues.
E
__________________
1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
|