A dry 50-75 kit is plenty safe if sprayed before the MAF so it can measure and add fuel....no spray hits the motor w/out the added fuel. Give Graham a call direct.
The VMax is so close (I wish I could give the date as we just talked to Pete and the final cuts are pretty much finished or near finished. I can post more next Friday).
The chiller threads are on the SC'd cars and we wont be doing the V6 SC kit for at least another 90 days as we have to recoupe some of the costs from the turbo kits.
Lots of good reading here and we can adapt for NA as well.....but I still think the nitrous kit is the most cost effective: