For any muscle car enthusiast watching a classic in action will always be something that brings about pure pleasure and this 1970 Chevy Chevelle SS is a true classic. Powered by a Big Block 454 this video shows how powerful the Classic Muscle car is by putting it on the dyno! This clip is sure to impress any muscle car enthusiast! Click the video below to watch this 1970 Chevelle SS on dyno! Don’t look any further!!! Get the speed and high performance you have been looking for at SS Performance Group. SS Performance Group is Tallahassee’s premier automotive high performance, repair, and storage facility. We use the best automotive technology for high performance and value your vehicle as our top priority. Whether you have a classic muscle car or a late model sports car, we can handle any of your automotive needs. We provide services from basic tune-ups and maintenance items to mild performance upgrades, all the way to custom engine builds and forced induction applications.