Blowby What is normal and what is not?

in this video i will show you what is normal and what is not, and more importantly, we need to first understand what exactly is blowby

It is not normal to see oil/smoke out of the dipstick hole
https://www.youtube.com/watch?v=NStRQ0ljPPk
Does Engine Oil Additive to get rid of smoke really work? https://www.youtube.com/watch?v=IRFM1wkUp3U
how to adjust the fuel enrichment screw https://www.youtube.com/watch?v=VWBu53sNbas
4d56 compression test https://www.youtube.com/watch?v=N8IaqKD6HTQ&t=46s
leakdown test https://www.youtube.com/watch?v=jqln6B7l9S8&t=263s
compression test after rebuild https://www.youtube.com/watch?v=SnHBerTM3_I&t=72s
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4d56, d4d engine

Видео Blowby What is normal and what is not? канала Mr. DIYer