RADL is the Rotary Anti-Defamation League. A bunch of people who are interested in rotary engines, specifically those made by Mazda as made famous in the RX-7 and RX-8.

Famous for showing up in forums where any discussion involving motors is involved and suggesting the posted invest in a 3-rotor 20B.
Never mind Mike, he's part of the RADL.
by mikesol October 25, 2008
6 Words related to RADL

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