Cam honestly say that after a full nationals weekend, im a 9886 believer on the 4btts now. Everythimg else is crap fullstop..and i have a 9901 and 2096. Also got 10:30 consistanly with a 7mm venturi and 5plug. Using the 41021 btw. Stupid power everywhere, and gives it the topend that nova forgot to add in the box lol. I run stock motors fyi