The Best Stock Turbo System?

This is a small clip from 'Tuned In' podcast episode 132: The Best Stock Turbo System?

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He co-invented one of the top (and earliest) standalone ECU companies on earth, helped develop unique V10 F1 engines, created ignition systems for top-tier motorsports, and finished it all off by producing stock-frame ‪@gtpumps‬ turbocharger upgrades that push the limits of what a factory turbo is capable of.

Mark Boxsell has had a varied and fascinating career in the performance industry, and he’s ready to unpack it all in this episode of Tuned In.

Having grown up on a farm in rural Australia that instilled a drive towards resourcefulness and ingenuity, by his early twenties, Mark Boxsell would latch on to the emerging EFI revolution and create his own fuel injection system for his personal Mazda rotary. And that was just the start.

Mark went on to invent one of the world’s first aftermarket standalone ECUs, which we all know today as Haltech. In this episode, we get straight into the mind-blowing history of how Haltech came about, discussing what was involved in creating it, the incredibly basic tools he had at his disposal to make it happen, and how it actually worked.

We next discuss Mark’s stint developing a unique V10 Formula 1 engine that used rotary valves instead of the traditional poppet valves. Mark goes into detail about how it worked, and why we never saw it on the grid. Then it’s time to talk about ignition systems, which Mark knows a lot about as one of the founders of M&W Ignition — which supplies series like Australia’s top-tier V8 Supercars.

We finish the episode off by moving into Mark’s current venture, GT Pumps. This company specialises in stock-frame turbocharger upgrades, which are currently aimed squarely at the WRX and Evo markets. This gets into some heavy turbo tech, covering the benefits of journal-bearing turbos, stock turbo system capabilities, and more.

If you’re into tuning history and love a dose of nostalgia, this episode with Mark Boxsell is an absolute must-listen.

Follow Mark here:

IG: @gtpumps
FB: GTpumps
WWW: gtpumps.com.au

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