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Performance

Performance: Data-Driven Upgrades

We go deep on the upgrades that unlock your Mercedes: ECU/TCU calibrations, intake systems, turbo paths, and cooling—backed by logs and dyno results.

Expect side-by-side comparisons, installation notes, and practical guidance to match parts with goals—daily drivability, track days, drag passes, or towing.
Build smarter, not louder.

air intake design considerations
3D Printing, Air Intake

Turbo Air Intake Design Considerations

Turbo Air-Intake Design Considerations Real-world guidance for turbo engines: sizing, transitions, sensor placement, thermal control, and 3D-printing choices—plus a quick validation checklist. TL;DR — The Big Wins Diameter: size for your peak mass flow, keep pre-compressor Mach < 0.30. Geometry: use a smooth velocity stack + gradual taper; avoid sharp […]

Autotuner One
Brakes, ECU Tuning, Performance

New Products

We just added notable new products today including the IXI, One, PTG Flex Fuel Analyzer, and the ModalWorks M177 Connecting Rods. The IXI and ONE by MMS and AT respectively are personal OBD flashers.  These represent a rare entry at their price point and are notable for their sub $400 […]

Ender 5 Plus
3D Printing, Air Intake, DIY

Good 3D Printing Requires Good Basics

There are some basic things one must get to start to print reliably well.  This isn’t exactly intuitive either, but they are Leveling Layer Adhesion Build Plate Adhesion Environment If any of these are off a failure or weak point in a print can occur. However if some of these […]

rear view of c63 convertible
Exhaust, Uncategorized

Opening Exhaust Valves

Opening exhaust valves can be done with a module or via coding.  This is a good option for those who have a broken valve or those who have replace the valve who do not wish to have a hard fault. This is also a good option for those who wish […]

tesla coil
Maintenance, Performance

Why You May Want Colder Spark Plugs

Colder spark plugs are better suited to high engine loads and perform worse in cold start and idle. Adding E85 or an e flex tune like E30 along with colder spark plugs may make your idle even rougher. See this video for more information: Spark plugs have a temperature range […]

c43 air intake design in stl
Air Intake

A Second Revision to our M276 Air Intakes

We have just finished another update of our M276 air intakes.  In this revision provisions were made for the MAP sensors. We made this version by deleting a space in our tubing and adding an extruded tube with the appropriate dimensions. These air intakes are printed out of polycarbonate and […]

Bench flash ECU
ECU Tuning

Best Practices for Bench Flashing an Automotive ECU

Understanding ECU Bench Flashing ECU benchflashing is done by taking the ECU out of the car and connecting directly to the output pins.  Benefits of Bench Flashing ECU bench flashing is considered the safest way to write or read to a car’s ecu if the option exists.  Preparing for Bench […]

ECU Tuning

First Read and ECU Unlocking with HP Tuners

In this video I discuss the process of unlocking a Mercedes ECU with HP Tuners.   A few important things to note: An internet connection is needed when flashing Not necessary to remove ECU First read and write is very long Subsequent changes are quick No credits are needed for […]