Diesel Mastery.
Stage 2, Stage 3, engineering models.
Advanced recorded sessions for tuners already shipping Stage 1. Software adaptation for modified intake, exhaust, turbocharger geometry. Engineering calculators built in course. Map-building from computational physics models, not pattern-matching.
Prerequisite · Diesel Practice or equivalent · Recorded format
Six advanced topics. From rules to engineering models.
Mastery covers the work that separates calibrators from calculator-clickers. Stage 2 and Stage 3 builds with mechanical modifications — where Stage 1 frameworks stop working and physics models take over.
Stage 2 calibration framework
Beyond the Stage 1 ceiling. Software adaptation when the engine has new injectors, larger turbo, hardware DPF/EGR removal — the changes that break Stage 1 assumptions.
Stage 3 calibration framework
Full-build territory. Internal engine work, full exhaust + intake, turbocharger upgrade. The maps you can’t approach without engineering math — and the math itself.
Intake hardware adaptation
How the calibration changes when intake geometry changes. MAF rescaling, airmass model recalibration, the temperature corrections that prevent smoke under modified airflow.
Exhaust + turbocharger geometry
VNT/VGT response curves for modified turbines, exhaust manifold pressure changes, the boost target maps that match the actual hardware sitting on the engine.
Engineering calculators
You build your own injector duration calculator, AFR target calculator, boost-pressure-to-torque model. Not templates — actual computational tools you keep and reuse for every future client.
Computational map building
How to build a map from physics models when you don’t have a working reference file. The skill that separates calibrators who own their work from those who depend on someone else’s tune.
The shift
From rules to models.
Stage 1 has a framework: torque, fuel, air — apply the +21% recipe, validate on dyno. Stage 2 and Stage 3 are different. The hardware changes break the framework. You can’t pattern-match; you have to calculate. Mastery teaches the engineering math that lets you build a calibration when you don’t have a reference file to copy from.
Everything to handle a Stage 3 build with confidence.
- Recorded video lessons on Stage 2 and Stage 3 calibration — self-paced, lifetime access, no scheduling pressure.
- Engineering calculators you build in the course — injector duration, AFR target, boost-to-torque model. Reusable on every future project.
- Computational map-building methodology — the technique for building maps from physics models when no reference file exists.
- Real ECU case studies on Bosch EDC16/EDC17, Siemens PPD, Delphi DCM, Continental MD1 — the platforms you’ll see in production.
- Scrambler tool access — 50 protected files per month, continued from Practice tier. Bundles your Stage 2/3 calibrations the same way you’d protect Stage 1 work.
- Certificate on completion — verified on certifiedtuners.com with Mastery-tier credential.
- Monthly Q&A with Thomas — bring your edge cases to the working diesel engineer who built the course.
- Course updates included — as new ECU platforms come into focus or methodology refines, your access updates with it.
The engineer who cracked the cases first.
Thomas Pirowski
6 years at Volkswagen Racing as software engineer. First to develop DPF-off solutions and crack ECU checksum on Trionic8, BMW EDC17, Tesla, Volvo. Mastery covers the methods Thomas developed across 30 years of diesel calibration work.
Full instructor bio on Diesel track →When intuitive tuning ends, this is what starts.
The main shift in thinking — transitioning from “intuitive tuning” to an engineering approach. Before, the temptation was to go the easy route: add torque “somewhere,” boost “somewhere” and hope it works. Now I think in cause-and-effect — first I define the goal, then understand which limits are actually blocking, and only then choose a correction strategy.
I confidently work with Winols now, improved the quality of my work converting cars from robotized to automatic gearbox by creating my own firmware versions. Every client can come back with ecology issues and I can help. Best online training I’ve ever encountered.
Before you enroll
Is Mastery recorded or live 1:1 with Thomas?
Recorded. As of 2026-05-14, Mastery switched from 1:1 sessions to a recorded videocourse format. You watch at your own pace, lifetime access, no scheduling required. Q&A access with Thomas continues through monthly community sessions.
Do I need Diesel Practice before Mastery?
Yes. Mastery assumes you’ve shipped Stage 1 calibrations on real ECU files and understand the +21% framework from Practice. If you haven’t taken Practice, the Complete bundle (F+P+M) costs €3,490 — saves €1,190 vs separate enrollment.
What ECU platforms does Mastery cover?
The engineering methodology applies to all common-rail diesel ECUs — Bosch EDC16, EDC17, Siemens PPD, Delphi DCM, Continental MD1. The Stage 2/3 workflows and computational map-building transfer universally. Lesson examples are platform-specific where it matters for the technique.
Why €2,460 if Ghidra Mastery is €2,960?
Two reasons. (1) Volume — diesel calibration is a much larger market than Ghidra ECU reverse engineering, so the per-student price doesn’t need to be as high. (2) Cost basis — diesel content was previously delivered 1:1; the recorded format lets us pass cost savings to students. Ghidra Mastery is also recorded but covers extremely specialized reverse engineering work.
How long does Mastery take?
About 2 months at ~1 hour per day. Mastery topics are denser than Fundamental or Practice — Stage 2/3 calibration involves more variables and more verification work. Self-paced with lifetime access. Most students return to Mastery chapters as edge cases come up in their work — it’s a reference, not a one-pass course.
Mastery costs less as part of Complete.
Fundamental + Practice + Mastery together saves €1,190 vs separate. If you don’t have Practice yet, Complete is the obvious math.
Build the calibration. Don’t copy it.
Stage 2 and Stage 3 are where pattern-matching ends. Mastery is where engineering math begins.