How on earth did you get it to catch on fire??? You were using specified RC car fuel and not gasoline right??? Check the link Topspeedtoys posted,1/2 way down is a post by popper that has the info ya need. It would help if you explained in detail,the process you went through up until the point where it caught on fire. The manuals are no help at all but you made it here and hopefully all of us can get you two on the road to the wonderful world of nitro RC's!