Originally Posted by Gizmatron

first bigmatt means 0.3mm of shims not 3mm..I run 0.2 on my 7 port with no problems..260-270 is normal but I won't use 30% nitro..I always burn out engines and it really doesn't seem to give me any more power..I use 25% now and mark at massive says he never runs anything more than 20% in his..And you should see the power results he is getting with his new biofuel which technically is only 7% nitro..I am so gutted I don't live anywhere I can get him to post some to...I would drop nitro % and richen the hsn 1/8..the mix tends to get a little lean towards the end of the tank..lower tank pressure and the heat from the exhaust tends to vaporize the fuel too..better to run a fraction rich at the beginning of a tank..