Amsoil Vs. Seafoam Engine Flush - Who Wins? Thorough comparison and PROOF
Kingdom Auto Kingdom Auto
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 Published On May 11, 2021

Hi Everyone,

Thank you very much for watching!
For a long time I've wanted to see which product is superior between Amsoil and Seafoam Engine Flush (added to the crank case).

So I decided to test both products out on my high mileage Honda Accord (close to 400,000 kms).

I am not sponsored by either company, and this test is as unbiased as I could think to make it having just one vehicle to test on.

Please let me know if you think I could have done better in any areas as I am more than willing to try again!

0:00 Intro
0:46 - Description of products
2:00 - How I plan to remain unbiased
3:35 - Amsoil Testing Procedure
5:10 - Seafoam Testing Procedure
6:20 - Engine idle (no product)
6:51 - Engine idle after Amsoil Test
7:16 - Engine idle after Seafoam Test
7:44 - Valve Train before any testing
8:29 - Valve Train after Amsoil Test
9:29 - Valve Train after Seafoam Test
10:45 - Oil Visibility Test
12:08 - Conclusion and my Recommendation


Here's the link to the Project Farm video that I referenced in the video:
   • Seafoam--can't believe what it did to...  

Thanks again and take care!

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