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Yes ,The bug 404 ,that is my favorite & go to guy on info!..he is the one that makes his own 0% nitro ,he does it by removing shims & running a leaner tune!.. :thumbs-up:

That is why I asked about the fuel ,16% should run ok ,however ,its the high oil content that is the killer , that is the down fall of Traxxas Top fuel! But I am glad you got it figured out ,the LC3 plug is the go to plug for that engine!.. :thumbs-up:

You can run zero nitro ,but you have to pull a shim ,run it way lean an use the hot plug!..:thumbs-up:

Exactly ,but if it is high oil content fuel ,that could be creating the heat as well , an LC3 plug is a hotter plug that he needs because of the lower nitro content . in which he did not mention how much oil content that is in the fuel! What I am saying ,did they match the oil content up with...

What I seen is ,the lower the nitro count ,you might need to remove a head shim to change the timing ,an less nitro may need to run leaner ,if it is high oil content ,then the engine will work harder an so you will have to lean it out!.. 😎

I know that that engine runs hot ,but I am researching now to see what maybe creating the heat an what can be done to combat it!..:thumbs-up:

In my experience ,a very rich setting only makes the engine work harder ,in theory ,it is more that the engine has to compress which puts more strain on it!..😎