Could be your starter.
yes it will
weak pump.
50% of 86= 43
Check the fuel pressure on the Fiero to start with. It sounds like it could be starving for fuel.
yes
5 quarts
86 cuz times 50 by 2 and its 100% do the same to 43/50 and its .86
It is 86*50 = 4300 sq ft.
15.4 gallons
I Hurd that the 1985 mustang gt top speed was 135mph so the 86 shouldn't be slower
percentage = 86%% rate:= 43/50 * 100%= 0.86 * 100%= 86%