Had made years ago an engine compression tester.
https://c6.staticflickr.com/1/581/31...0c33f754b0.jpg https://c3.staticflickr.com/1/551/31...e36be9cff6.jpg
https://c6.staticflickr.com/1/342/31...f8943b1890.jpg https://c3.staticflickr.com/1/605/31...9767291a69.jpg
Material:
0-300psi manometer
High pressure hose
2 hose clamps
Few brass parts made on lathe
2 tyre sharader valves (one for reading release anothes as one way valve)
More details:
Teste de compressao