Interesting T4 vs T6 video

[tomplum]

Project Farm has many rounds of oil testing. Today the subject was "Would switching to synthetic oil cause leaks?" The video did interesting comparisons between the two oils.
Will Synthetic Motor Oil Cause Engine Seal Leaks? Let's find out! - YouTube

 

[Cat_Driver]

This was a great video also ....
Confirms what I've been saying since the 70's

Amsoil or Pennzoil, which wins Championship? Let's find out! - YouTube

 

[nyone]

Project Farm always has good videos. I watch all the ads in his videos, this is how youtubers get paid.