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I built a brand-new Rotary Valve Engine, and it works!

Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried ...

Inside Stellantis’ top-secret mission to bring Hemi V-8 back to Ram trucks

From getting shelved in 2024 to being back on the shop floor for the 2026 model year, the Hemi roared back to life this year thanks to a group of middle-aged whiz kids.