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Chevy 350 with 420hp crate engine custom built by Proformance Unlimited to be installed into a '70 Nova project. Engine features all quality parts. Produced 458hp @5500rpm and 470 ft lbs torque. If you are looking for the best engine builder you found him right here. Give us a call at 800-267-3940 or visit us online at www.proformanceunlimited.com | Proformance Unlimited - Custom Crate Engines

Start Your Performance Truck Build! https://bit.ly/3qujUXL When it comes to gasoline engines, there are few that can hold up to the legendary 5.3L V8. In today’s video, Dustin breaks down the BEST performance mods for your 5.3L Vortec. From simple bolt-on options, to some thiccc boy cam shafts, and many many more options, these engines can take a lot and put down some horsepower! Comment below what YOUR favorite mod for the 5.3L, and as always; like, share, and subscribe! 0:00 Intro 1:23 Overvie

Proformance Unlimited's custom built Chevy 350 with 420hp. If you have an engine in mind for your project, please give us a call at 800-267-3940 and we will help you in designing your dream engine. You can view our Chevy crate engines at the following link: http://www.proformanceunlimited.com/chevy.html | Proformance Unlimited - Custom Crate Engines

Best Cheap Chevy 350 Mods—Dyno-Proven! - Engine Masters Ep. 24