I wouldn't..It would not take long to use up the center of a wider tire on such a narrow rim...I ran some firestone 26x7 slicks on a 6or7"rim in my SC/Rambler with a 4-speed..left at 7k..ran mid 11's with that car..

80 AMX Barry Allen 420 AMC Iron Heads Jerico 4-speed Advanced clutch 2950# street legal 5.97 115.73 Coles county dragway 10/28/07 9.42 142.96 best in 08(6.00 115.8 1/8) 5.97 116.2 in 09 http://www.youtube.com/watch?v=AXSr201-tmA