Building Buick (JEEP) Odd-Fire Performance V6! V8 to 225ci V6 - Will Violett w #Barryt #buick #jeep

The Buick 225 odd-fire V6 is one of the most unusual engines in American automotive history. Originally derived from Buick’s small-block V8 architecture, this compact engine became famous for its distinct firing rhythm, strong torque, and rugged reliability—especially in Jeep’s legendary Dauntless V6 models. In this episode of Barry T’s Garage, we visit Five Star Engines to take a detailed look at how a performance version of the Buick odd-fire V6 is built. Engine builder Will Violett walks us through the key design features of this unique engine and explains the upgrades required to turn it into a serious performer. From crankshaft geometry and firing order characteristics to modern performance components, this build shows how a vintage odd-fire V6 can be transformed into a powerful and reliable engine for today’s enthusiasts. Whether you’re restoring a Jeep CJ, building a vintage Buick, or simply fascinated by unusual engine designs, this inside look at the Buick 225 performance build reveals why the odd-fire V6 still has a loyal following among engine builders and classic car fans. Technical & Engineering Highlights • The Buick odd-fire V6 architecture derived from the Buick small-block V8 family • How removing two cylinders from a 90-degree V8 layout created the uneven firing pattern • Crankshaft design and why the engine fires 90° / 150° between cylinders • The heavy flywheel and rotating mass used to smooth engine pulses • Key machining steps performed at Five Star Engines • Performance components used in the build • Camshaft and valvetrain considerations for odd-fire engines • Distributor and ignition considerations unique to odd-fire engines Why This Engine Is Special • Unique uneven firing rhythm unlike most V6 engines • Strong low-RPM torque characteristics • Compact size with V8-derived strength • Famous as the Jeep Dauntless V6 • One of the most distinctive sounding American engines ever built About Five Star Engines Five Star Engines specializes in precision engine machining and high-performance engine builds. In this episode, builder Will Violett demonstrates the careful machine work and engineering required to bring a vintage odd-fire V6 to modern performance standards. TA Performance in Scottsdale AZ provided many of the upgrade parts Join this channel to support us:    / @barrytsgarage   #BuickV6 #OddFire #JeepDauntless