RE: Velocity Stack for a Surpass 70
This has been discussed by William Robison before but you can put a "Bru Line air cleaner" on the carb and serve the purpose of keeping the fuel contained.
http://www2.towerhobbies.com/cgi-bin...?&I=LX9160&P=7
http://www2.towerhobbies.com/cgi-bin...p?&I=LX9158&P=