I am new to nitro and I bought my sona Redcat Earthquake 3.5 4x4 monster truck with an SH .21 motor. It was his Christmas present. Well needless to say it isn't going according to plan. At first it would start but wouldn't stay running without the igniter attached. Ihave put the HSN anywhere between 2.5 and 4.5 turns and the LSN at 2.5 turns. Ihave alsochanged the glow plug. If I can get it started now it on runs a few seconds and shuts off w/igniter attached. It has never run without the igmiter on it. I have blisters and cuts all over my hands but I won't give up till this thing runs. Any help would be greatly appreciated. Also I think my igniter may not be a very good one. It seems you can only use it a few times before it dies and requires a long charge.