is the 88' conquest tsi a wide body?

Alright guys im trying to debate if i wanna put the money in my 1987 quest to try to achieve atleast a mid-low 12s. Im selling my Mustang so im either picking up another toy or throwing some cash in this. My Current setup is. hardpipes,190 fuel pump, upgraded coil,1st gen mass air,20g with mbc,650,950 trilogy injectors,89 ecu. With an additional 2k to 2500 what could i do to make alittle over 300whp. I do want to keep tbi for ac. And i know its going to be alot harder with the car possibly runni

http://www.youtube.com/watch?v=316AzLYfAzw%26autoplay%3d1%26rel%3d0

looking for (1) 8" SHP wheel. Non damaged air dam. New in the box prefered. or a part # and place to look for one. Seat paddle off your worn out seats.. Mine are broken