I ran a bmax4 last year with nosram speedo and orion vortex 5.5 and it was alwalys really hot. Just recently i bought another one and raced it yesterday and it was spot on temp wise. This time i am running a Tekin rs pro with SP 6.5. Really quick but kept cool also. After a 5 minute heat on a large grass track my speedo was showing 3 lights only
