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My Mission:

My approach to car building is grounded in clean fabrication, precise layout, and a systems-level understanding of performance. Numbers quantify performance—but they don’t tell the whole story.

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My mission is to build machines that feel as good as they function. Every detail is treated with intention: from wiring, to welds, to the way weight transfers. I’m conscious that every decision in the build process reveals itself in lap times or service. 

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Reliability, responsiveness, and repeatability aren't add-ons; they’re the baseline.

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Services

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Engine and transmission tuning. Calibration of chassis modules & PDMs

Engine and Can bus Calibration

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Spec the electronic modules and wiring to meet your needs

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Electronics Design

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Comprehnsive chassis set up and  Vehicle dynamics

Chassis set up and consulting

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Manifold design and construction, tig welding

Engineering and Fabrication

Contact

Caetano Yuyama

Reach out for tunable, modular, and diagnosable work.

(206) 858-2613

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Kaizousha​

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