car goes right at launch,4-link

after squaring the rear,i took it to a tnt Friday night,drove straight,left on the foot brake at 3000,best was a 1.39 60,at 6.39,,105 mph.didnt pull the wheels any,frontend never came up,do you guys think it should 60 better,has 33x14.5 tires that was new this year,i did also checked and set the toe it was off a 1/4