Smoke and mirrors. Leak down test, home made kit, new version. Engine out. Find leak,

Smoke and mirrors.
Leak down test. Homemade testing kit. New and improved version.
Engine out.
Find leak.

[@tangomike1306]

for a leak test, I cur out about 50cm from an ordinary Bicycle Tube with the Valve in about the middle. On End connected to the Inlet with a Hose Clamp, the other End to the Exhaust. Pump it up and if about 20 or 30 minutes leaft the Tube is still filled with Air, I call it tight.