From carburettors and distributors to neural networks and AI-driven ECUs, Gerry Bechetâs career spans the full evolution of modern engine control. From his early days at Toyota South Africa to high-level development work at Ricardo, Renault, and Holden Special Vehicles, Gerry has been right at the heart of OEM engine calibration and development.
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In this episode of Tuned In, we dive into Gerryâs journey through the automotive industry, starting with his early passion for mechanics and progressing into a career as a mechanical engineer specialising in engine development and calibration. We unpack his time at Ricardo working on diesel engine R&D, including common rail injection and combustion chamber design.
The conversation then shifts to OEM calibration at HSV, where Gerry worked on GMâs LS platforms. We explore the realities behind factory tuningâbalancing power, emissions, durability, and even marketing demandsâand why factory ECUs are far more complex than most people realise.
We also break down the tuning myth of âmagic numbers,â why airflow modelling is everything, and how small errors in injector data or fuel pressure can throw an entire calibration off. Gerry shares real-world examples that highlight why understanding the fundamentals still mattersâno matter how advanced the software becomes.
Finally, we get into Gerryâs current role with HP Tuners and the development of the new Core ECU. Designed to bridge the gap between OEM-level control and aftermarket flexibility, this standalone system brings advanced strategies like MAF and speed density integration, along with AI-assisted VE tuning. We discuss where it fits in the market, who itâs for, and how tuning technology is continuing to evolve.
This episode is packed with insightâfrom old-school engine fundamentals to cutting-edge ECU development. Whether youâre a tuner, engineer, or just passionate about performance cars, Gerryâs depth of experience makes this one well worth your time.
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Follow Gerry here:
Instagram: HPTuners
Youtube: HPTuners
WWW: HPtuners.com
WWW: HPtuners.co.auÂ
Timestamps:
0:00 Standalone vs OEM ECU: Understanding Modern Engine Control
4:26 How did you get interested in cars?
8:04 Working for Toyota in South AfricaÂ
12:02 Where did you end up after Toyota?
14:02 What are you trying to find when youâre running these engines on the dyno?
20:07 What is the time frame on developing one of these engines?
21:52 How did your role progress at Ricardo Engineering?
25:10 How was the transition to engine calibration?
26:43 How does an emission system work?
31:56 Tell us about your time at Holden HSV?
43:29 What does OE calibration software look like?
45:24 Whatâs your role at HP Tuners?
47:15 Why do people who tune stand alone ECUâs find it hard to use HP Tuners?58:00 If MAF is so good, why do we have a speed density system?Â
1:01:12 What is virtual volumetric efficiency and why did GM go in that direction?Â
1:03:52 What is a neural network?
1:08:11 Are there any common HP Tuner mistakes?Â
1:14:19 Why have HP Tuners made a stand alone?
1:23:53 How does the Core ECU operate?
1:27:33 Automatic spark calibration, What can you tell us?
1:30:26 Is there any consideration for CAN networks?
1:32:14 How do we decide to reflash or fit the Core ECU?
1:37:32 How does the work flow between the US and Aus work on this ECU?
1:38:53 How do you get tuners to swap to your EC