Back from the track....did worse than last time!!

[82 GT]

Well...last time at the track I ran a 13.47@104mph with a 60' time in the 1.9 range.
Since then, I recurved my dizzy, installed an underdrive crank pulley and swaped my carter 600 for a holley 750 vac. secondary.
Tonight, I was running consistant 13.8's with trap speeds at barely over 100mph(100.81)!!
My 60' time were only in the 2.01-2.1 range.
My friend says my rpms sounded lazy for the first 60' and then picked up very well after that. I had no tire spin.
I experienced some detonation in 3rd gear and back the timing down a couple degrees....same results.
I think my secondaries are coming in too quick but I forgot to bring the different springs for the secondaries.
Since my mph was down, that means I lost hp somewhere.
What happened? I though the Holley would really make a huge difference but instead, I think it hurt my times.
What do you think is wrong? I have yet to install the stealth intake. Is it possible that the performer intake in even more of a bottle neck now that there is a bigger carb or is it in the adjustment of the Holley somewhere?
This thing should be running 12's by now and I'm high 13's now. I was sooo pissed I felt like putting a FOR SALE sign on the car tonight!!!!!!!!!!!!!!!!!!!