The 70’s and early 80’s were practically an arms race of automotive engineering. From fuel injection to turbos to aerodynamics, manufacturers and privateers alike were breaking new ground in the name of ever-faster lap times. It was an age of pioneering that bridged the gap between the legends of the past and the racing we love today. What was Group 5 Special Production? Why were the late 1970’s considered a golden era for circuit racing? And how did Ford manage to unseat one of the most successful Porsches ever made? This is the story of the Mustang that Took Down Porsche.  Thanks to our sponsors: Start the Good Habit at https://tryfum.com/PAST to save 10% off the Journey Pack today. Start building your credit. Open a Chime Checking account with at least a $200 qualifying direct deposit to get started. Get started at https://chime.com/gas. This podcast is sponsored by BetterHelp. Become your own soulmate, whether you’re looking for one or not. Visit https://BetterHelp.com/PASTGAS today to get 10% off your first month. Go to https://LECTRICEBIKES.COM to learn more about their wide selection of eBikes that start at just $799 with the XP Lite. Explore the Subaru Crosstrek. Love is out there. Find it in a Crosstrek. Learn more at https://Subaru.com More about Show: Follow Nolan on IG and Twitter @nolanjsykes.   Follow Joe on IG and Twitter @joegweber. Follow Donut @donutmedia, and subscribe to our Youtube and Facebook channels!   Don’t forget to subscribe to the podcast for free wherever you're listening or using this link: http://bit.ly/PastGas. If you like the show, telling a friend about it would be helpful! You can text, email, Tweet, or send this link to a friend: http://bit.ly/PastGas. Learn more about your ad choices. Visit podcastchoices.com/adchoices