Hot Rod Garage Season 1 Episode 12 1,225 Horsepower Engine: 711 ci Sonny Leonard Chevy Hemi!

In Hot Rod Garage season 1 episode 12, the team works on building a monstrous 1,225 horsepower engine for their hot rod. They take on the challenge of building a 711 ci Sonny Leonard Chevy Hemi engine, which they will use to power their 1969 Chevrolet Chevelle project car.

The episode begins with the team discussing the goals they have for the engine build. They want to create an engine that is powerful, reliable, and capable of crushing the competition. They decide to go with the Sonny Leonard Chevy Hemi because it is one of the most powerful and reliable engines available.

The team then gets to work on building the engine. They start by assembling the bottom end, which involves installing the crankshaft, connecting rods, and pistons. They take their time to ensure that everything is assembled correctly and torqued to spec.

Next, they move on to the cylinder heads. They install the valves, springs, and retainers, and then bolt the heads onto the block. They discuss the importance of getting the valve timing and lash set correctly, and show viewers how they do it.

With the bottom end and cylinder heads assembled, the team moves on to the top end. They install the custom intake manifold, which was designed specifically for this engine, and then attach the throttle body and fuel injectors. They also install the custom valve covers, which were machined to fit over the tall valve springs.

Finally, the team installs the ignition system and fires up the engine for the first time. They take it through a series of tests to make sure that everything is working correctly and that the engine is making the power they were hoping for.

Throughout the episode, the team provides viewers with a lot of technical information about the engine build. They discuss the different components that they are using, the specs of the engine, and the challenges they faced during the build. They also show viewers how to measure and set things like valve lash and ignition timing.

Overall, “1,225 Horsepower Engine: 711 ci Sonny Leonard Chevy Hemi!” is a very informative and entertaining episode of Hot Rod Garage. It provides viewers with a lot of technical information about engine building, while also showcasing some incredible horsepower numbers. Fans of hot rods and high-performance engines won't want to miss this episode.