Seafoam--can't believe what it did to my engine part 3--cylinder cleaning test!!

In this video, I remove the cylinder head before Seafoam treatment to determine carbon buildup amount and then after Seafoam to determine if it worked. You get to decide if it works. Hope you enjoy the video! Disclaimer: I am not sponsored by Seafoam in any way. I purchased Seafoam. i do not hold stock or any business interest in Seafoam.

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