Fueling Performance w/ John Turnbull and Michael Paul: Pt 1 | Repair Shop Reckoning | Episode 4

This week on Repair Shop Reckoning, host Kevin Brown sits down with industry heavyweights Michael Paul and John Turnbull to tackle the critical—and often overlooked—topic of regular vehicle maintenance. From transmission flushes to brake systems and coolant care, the trio dives into why staying on top of these essentials is non-negotiable for keeping your car running strong.
They get real about modern vehicles, pointing out how advanced transmission systems and direct injection engines bring power but also problems, like deposit buildups causing misfires. Michael and John share how BG Products, in partnership with Ford and GM, developed solutions to fight these issues, including cold start misfires in EcoBoost engines.
The conversation doesn’t stop there. Kevin and his guests break down the effects of EPA regulations, low-viscosity oils, and questionable fuel quality. They call out Costco’s Tier 3 gas and emphasize why premium fuel isn’t just an upsell—it’s a safeguard for certain vehicles.
With personal stories, sharp insights, and a few hard truths, this episode is packed with actionable advice to help you avoid costly mistakes and keep your vehicle performing at its best. And this is only part 1... tune in on the next episode for part 2! Don’t miss it!

Chapters
00:00 The Importance of Maintenance
05:30 Fuel Injection Cleaning: A Necessity?
12:15 Understanding Deposit Buildup
20:00 Transmission Flushes: Myths and Facts
26:45 The Role of Top Tier Fuels
32:30 Oil Change Intervals: A Controversial Topic
38:00 The Dangers of Quick Oil Change Services

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