Nitrotane Copper Stain?

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08-27-2010, 06:52 AM

#16

jwm2

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Quote:

Originally Posted by neobart

All fuels that contain castor oil will leave a light brown colour inside the combustion chamber. I would describe it as being a light chestnut brown, and it just means you have a good tune on the engine.

Cool, good to know. I've been tuning these 2 engines now for weeks and finally have them dialed in. I'll probably work on the tune abit more today and then its off to the track for some practice this weekend