need a half second

yea my son was driving it when it got that 60 ft. time my best in it is a 1.98 my sons car best 60 ft. is like a 2.12 the car runs good it seems to pull good but i guess i'm missing some m.p.h. the tires are 225-15-60's bfgr street tires ss springs clamped pioion snubber belive it or not airshocks with 20lbs. of air the 904 trans. is a lockup so i'm running a converter out of a late 80's dodge van which is suppose to be 1900 stall but it's only like 1300 it weighs 3300 lbs i don't know what the compression is i know it has 175 lbs. of compre. at the sparkplug holes i just put the gears in and don't want to go any higher i have to drive 46 miles to the track oneway whats funny about them 60 ft. times is my sons car has new drag radials which he ran slower with