RE: Tuning
 

usually when a nitro cuts out on full throttle its because its too lean and starving for fuel. You only make adjustments in 1/8 incriments at a time and run it for like 20 seconds to let the settings start to work. Richen the mixture 1/8 turn counter clocwise at a time until it runs good then richen an 1/8 from this setting.

RE: Tuning
 

Wow. I feel prety stupid.While trying to tune my engine today i noticed bubbles around the exhaust manifold. Checked he screws and sure enough they were loose. Got it to run although not that well. Then I noticed that there was a section of gasket missing. Wait it only gets beter. I removed the muffler only to find the coupling torn and the tip where the exhaust is held was also broken. So I am going to be getting the parts I can locally and will be looking for others elsewhere. Thanks for your patience this far.

RE: Tuning
 

Which side pipes will fit with the hpi header?

RE: Tuning
 

get an associated rpm pipe, there less than $20 and work good