if i had to guess...id say your going to run 9.3's again that weight probably gave you alot more traction...i know i need to pull my swaybar off next time i go out...my best 60' at track night was 2.18 i think...and that was on some hoosiers..when i was on my s/r's i pulled 2.0's with all my tools parts etc in the trunk...just helped to plant the rears alot better. plus the hoosiers never got warm and had too much pressure live and learn...and honestly im a block from sunshine right now, i should go there, but i left ole faithful at home, so itll be too late before i get home and back.