In this video we will first try crankcase stuffing for the last time and also test if power loss was due to a beginner mistake. Then we will install the new Mannerheim. Will even that give more power?

00:00 Testing 1.35 crankcase compression ratio
12:43 Testing if a textbook example portmatching has effect
19:50 Final result for crankcase stuffing
25:46 Installing new cylinder and measurements
40:25 Starting Mannerheim and test
57:50 Results after adjustments