Internal Combustion Isn’t Done We’re still finding real gains: smarter fueling closer to λ≈1, electrically actuated valves, and 3D-printed blocks with lattice cooling and closed-deck strength. TL;DR — Where the gains come from Thermals: Lattice coolant jackets raise area → lower ΔT and distortion under boost. Strength: Closed-deck rings + […]
3D Printing
Thoughts on Heat Treatment of 3D Printed Parts in High Performance Automotive Applications
We talk about the importance of annealing 3D printed car parts multiple times, rather than just following the recommended process once, to ensure the part is properly heat-treated for automotive performance applications. What is up, everybody? I’ve seen a lot of people get into 3D printing, uh, car parts, and […]
Adding Another XMAX3 Printer, Air Intake Backlog, Property Search
All right. Yesterday, we were given a new printer, X-Max 3. We now have redundancy. This will help us get through our insane backlog of air intakes. So if you want an air intake, order early, get in line early because there’s like a couple week backlog. we lost a […]
Working with PET CF
We talk about working with materials that have been annealed, and how the process changes their properties and makes them more challenging to work with. We’re going to try the process again without supports to see how it goes.
Quick Mod for Non-Distronic Cars
Drilling holes into the MB star allows more airflow to be captured to the heat exchangers or if using a scoop directed toward the engine and air intakes.
Mercedes CLS550 CLS63 E550 E63 Air Intakes Boxes with Inlets
We have a quick look at TunedMercedes air boxes with air inlets.
E63S Air Intakes
CLS550 Air Intakes
How to Make Mercedes M157 and M278 Air Intakes
In this short video we show how we make our m157 and m278 air intakes.
Why TunedMercedes Focuses on 3D Printed Performance Parts
Laying Carbon Fiber Directly on PVA Printed Parts
I am testing using PVA printed parts and laying CF right on top. This is an interesting solution to me to test because the PVA itself is water soluble. Additionally I am using a Carbon Fiber Tube versus laying cut pieces of carbon fiber. Some things I’ve noted are that […]
Some Tips on Designing Products
While there are many people who are better at this I thought I would provide some ideas on how to design air intakes and other items. The first is to mock up things using old school techniques, cardboard, measuring tape, pen and paper. Then you can start to move to […]
How TunedMercedes Improved Their 3D Prints
In this video I talk about some steps we have taken to get better quality 3D prints. One thing to note is that this video does not address the physical maintenance on machines which is perhaps even more important than the topics covered here. This video assumes you have a […]
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 […]
Harbor Freight Jack Stand STL
This is an STL for a harbor freight jack stand adapter. I do not want to recommend it for legal reasons but something like this is useful to have between a jack and the Mercedes Benz. Link here: https://www.thingiverse.com/thing:4913108

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