Media Summary: In this video, we dive deep into one of the most legendary Proformance Unlimited's "Black Beauty". Our custom built ... horsepower and 70 pound-feet of torque over the production-
441ci Ls7 Based Crate Engine - Detailed Analysis & Overview
In this video, we dive deep into one of the most legendary Proformance Unlimited's "Black Beauty". Our custom built ... horsepower and 70 pound-feet of torque over the production- Proformance Unlimited offers a full line of Chevy LSx Chad Golen here from Golen Engine Service with our 454ci LSx
