R/C Tech Forums - View Single Post - REEDY .21 Nitro Engine

08-29-2011 | 11:28 AM

#1242

rc pete

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Joined: Jul 2003

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From: Cochrane, AB, Canada

Quote:

Originally Posted by christmaxx

so the stock head shims are what i should use for 20% nitro.

For 30%, I break in the engine with the two stock shimms (.55 total) and the RT3 plug it comes with. After break in, I swap those shims for the single .40 that you get in the box with a slightly coooler RT4 plug.

For 20%, you can break it in as it comes and then switch to the .40 shim, but likely stick to the RT3 / P3 plugs since you're running less nitro content.

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