Originally Posted by
alkal
Hi I got a full mod with about 2.5 gallons. I run P5 +086 +25% nitro, I am from Israel so its hot now (35 cellcious). the problem is that suddenly the engine is hard to start , it starts but quickly bogs, only after it gets hot it might stay but if I will not start to drive it will bog again. this is new to me. I tried a new plug but it remains. do you have a solution?
ronen
With 95*F (35*C) temps you can do several things to help tune the engine, always run the largest carburetor insert (8mm), use higher nitro (30%), or use a colder plug (P6-P7) The combo of all three things should help the tune.