help with time slip

give me some of your thoughts om my time slip please...rea. 296/1st 1.683/2nd 4.879/a d et. was 7.637/ at 87.628 mph. it has more init with some tune what do you guys think about it....340 jheads.mild port work.comp 520/540 soild xcel intake 950 hp 80fr/88bk no pv a 1 inch spacer.33 degree time locked out 727 with 9.5 verta 5000 .4.57 gears and 27/10.5 qtp mp drag shocks in a 70 duster..i leave at about 2000 and shift at 6200 but its up on the 7000 pill in the msd so fast...would big tube headers work better..right now i have small tube into 3inch pipes into 3inch flowmaster cut off at rearend.thanks for the help