Rotary or Piston Engine? Diving Deep into Jonny Grunwald’s Secret SEMA Show Build

Jonny Grunwald, auto enthusiast icon, returns to Michael’s Motor Alley for round three! Dive deep into the massive projects from this year, including his experience from Pikes Peak alongside Rhys Millen, and his secret rotary-powered RX7 build for the 2023 SEMA Show. Plus, they unravel the myths surrounding rotary engines, explain the transformative power of Pennzoil synthetics, and the beauty of the unique Pennzoil family. Fasten your seatbelts, car enthusiasts; it's a journey you won't want to miss.

Don’t forget to follow @Jonny.Grunwald to keep up with his latest projects.

We always suggest checking your owner's manual for the recommended motor oil for your vehicle. In general, conventional motor oil is recommended for rotary engines. For information on your specific vehicle and its motor oil requirements, check out the Oil Selector at Pennzoil.com: https://www.pennzoil.com/en_us/oil-selector.html#iframe=L2VuX3VzL29pbC1zZWxlY3Rvci9famNyX2NvbnRlbnQvcGFyL2lmcmFtZWRhcHAuc3RhdGljL2lmcmFtZS0xNjEyMTkuaHRtbCMvdXMvZW4tdXM