Revisited: Is Honda’s K-Series Really the Greatest 4-Cylinder Ever Made?

*** We’ll be taking a break over the Christmas/New Year period and will be back in action mid-January. That means that although there won’t be any new episodes for a few weeks, we’ll be taking another look back at some of our favourite episodes. *** Few people know more about ultra-high-performance engine building than this week’s guest, Terry Radbourne of Bourne HPP. In this episode, we’re going to be discussing topics like creating engines for LMP1 and Mercedes’ F1 team, truly getting the absolute most out of Honda’s K series motor, as well as the odd controversial opinion that’s sure to get the comment section fired up. 👉 Use the code ‘PODCAST500’ to get $500 OFF HPA's VIP Package: Terry brings an intriguing mix of expertise and insider knowledge — straight out of school, he found himself working for Advanced Engine Research and quickly became involved in some seriously high-end race engine design and building work. After a few years spent honing his craft — including a stint creating engines for the Mercedes Formula 1 team, Terry went on to found his own company, Bourne High Performance Powertrains, or Bourne HPP for short. Bourne HPP specialises in designing and building seriously aggressive motors — most commonly of the Honda K-series variety in both naturally aspirated and turbocharged forms. This allows us to dive very deep into the intricacies of four-cylinder engine building, and time is spent discussing intake port design, cylinder sleeves, compression ratio, and a whole lot more. We also get stuck into the K-series motor itself, and Terry spends time talking us through exactly why he thinks this is one of the best engines ever produced and how to get the most out of it. As Bourne HPP is something of a one-stop-shop that does everything from engine rebuilds, to NA and turbocharged crate engine packages, to dyno tuning with the use of Syvecs and Lyfe Racing ECUs, Terry has an absolute oversupply of knowledge that he’s (mostly) willing to share. If you want to get smarter, this episode with Terry Radbourne of Bourne HPP is not to be missed. 👉 Use the code ‘PODCAST500’ to get $500 OFF HPA's VIP Package: As mentioned in the podcast, you can listen to our episode featuring Syvec’s Ryan Griffiths here: Follow Bourne HPP here: IG: @bourne_hpp FB: Bourne HPP WWW: bournehpp.com

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Revisited: Is Honda’s K-Series Really the Greatest 4-Cylinder Ever Made? is an episode from Tuned In by High Performance Academy.

This episode is 136:30 long.

This episode was published on Dec 31, 2025.

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