How To: Tune a Nitro Engine – Carb Tech Secrets Revealed!

How To: Tune a Nitro Engine – Carb Tech Secrets Revealed!

By far the steepest learning curve for a nitro rookie is learning how to tune a carburetor. It can be awkward at first, but with a little effort, you’ll get it and never forget how to do it. Before we start adjusting needle valves, let’s consider the role of the carburetor and how it works. Properly tuning a carb is much easier once you understand how it functions.


A rotary carb contains a horizontal “barrel” that has a vertical hole drilled through it. As the barrel is rotated from the open position (the hole in the ...

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Updated: December 13, 2017 — 1:25 PM

1 Comment

  1. Always have done electric rc’s. I thought that I would try my hand at a nitro car. Bought one for $25 in pieces. I now have it put back together and started the engine. I have got the car started and running, and with some of your advice, I hope to have it running efficiently soon. Thanks for your advice in this site.

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