You Don't Know Jack!

12 Episodes

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How Kohr Motorsports Turns Engineering Savvy Into Race Wins

2026-05-1552:13

If you’ve ever bolted parts onto your Mustang and sworn it “felt faster,” this conversation is going to challenge you in the best way. We’re joined by Dean Martin, owner of Kohr Motorsports and a longtime force in Mustang road racing, plus Chandler Wheat from the Roush Performance team, who lives in both worlds as a portfolio manager by day and a GT4 tire engineer by night. What starts as two “I kind of fell into it” origin stories quickly turns into a masterclass on how real speed gets built...

Behind the Northville Concours: Car Culture, Community & Future of Automotive Events - YDKJ 11

2026-03-2745:59

What does it take to build one of Michigan’s most talked-about car shows from the ground up? In this episode of You Don’t Know Jack, Jack Roush Jr. and Josh sit down with David Kibbey and Drew Lehnert of the Northville Concours to break down the story behind the event, how it’s grown year-over-year, and why it’s quickly becoming a staple in the Detroit car scene. They cover: The origin story of the Northville Concours and how it startedKey highlights and momentum from recent showsWhat’s comin...

Sketch. Rev. Repeat. The Creative Side of Roush

2025-03-2837:53

Step into the hidden world of automotive design as we uncover the creative genius behind Roush's most impressive vehicles. Kevin and Dhruv from Roush Creative Services—the 65-person team responsible for transforming concepts into head-turning reality—reveal how they blend artistry with engineering to create machines that perform as spectacularly as they look. Ever wondered what separates truly exceptional vehicle design? According to our guests, the secret lies in evolutionary rather than re...

Fast, Furious & Fueled By The Future

2025-03-0132:54

Welcome to the You Don't Know Jack! podcast, the official Roush Performance podcast! In today's episode, we're exploring how performance and sustainability aren't just coexisting, but actually working together to define the future of transportation. Your hosts Jack Roush Jr. and Josh Massab are joined by Todd and Chelsea from Roush CleanTech. We explore how the same engineering that's helped Roush become the winningest name in racing is also bringing value and safety to communities aro...

Roush Manufacturing: The Magic Behind The Curtain

2024-11-2230:02

Welcome to the You Don't Know Jack! podcast, the official Roush Performance podcast! In today's episode, we're pulling back the curtain on Roush's manufacturing magic with Brad Rzetelny and Nick Collins, two of the masterminds behind the scenes. Rzetelny and Collins share their backgrounds and provide insights into Roush's flexibility in handling diverse projects, from military vehicles to electric and autonomous vehicles, and even supercars. They highlight the company's commitment to ...

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