Windshields of all years are interchangeable, but the rear view mirror mount on the glass did change at some point. I'm not sure of what year.
Yes it will fit. All Fiero windshields are the same size. They only vary in the amount of tinting or top shading.
yes
84=.86x 84 is 86 percent of 97.7
idk
Windshields from 83-94 S-model Blazer/Jimmy and 83-93 S10/S15's are all the same. NO, AN 84 JIMMY/BLAZER IS A FULL SIZE TRUCK. ALL S10/S15S ARE MID SIZE TRUCKS.
between motor and catalytic
No. There are three different tops for the C4 Corvettes, 84 to early 86, late 86 to 88, and 89 to 96.
buy new one
No, they're 2 different hood designs
The GCF is 2.
Check the fuel pressure on the Fiero to start with. It sounds like it could be starving for fuel.
The set is bimodal: its modes are 84 and 86 which appear twice. All the other numbers appear at most once.