This is very deep thread search but have you tried the Dhall1 tried and true and tested "spray the Intercooler with water before launch" trick?
Thats mostly an issue for pump gas cars. I'm on E85. Wouldn't do much for me... that and the track guys hate water downs
BB GT28's w/ Tial Wastegates, Full 3" Open Exhaust, Wagners, Billet Triple Disk Converter, Built Trans, Exedy Friction Disks, ECU/TCU Tuned, 450/AEM400/1000cc/AFPR, E85, R8 Coils, Nubcake Tuned. Fastest RS6 in the USA :)