Ravenol VSG 75W90 Gear Oil Test Piotr Tester gearbox - Piotr Tester
Subscribe: @PiotrTester Round 4 Temperature: normal (no heating) Ravenol VSG 75W90 What does the test show? The more weights you manage to put on the machine until it stops, the stronger the oil film tested will be. The test examines the oil film\'s
Film osadzony źródło: https://www.youtube.com/watch?v=sVE8rH3t1mQ
