In this video I tested Lucas Deep Clean. I use a mini borescope camera to look into the engine and see how dirty the engine is before the fuel treatment and then after the fuel treatment.
I followed the instructions on the container and Lucas performed a little better than Techron and Gumout. This is the 4th test in a series of fuel cleaner test I will be performing to see how fuel cleaners work and if they actually work.

Here is the fuel cleaner I used: http://www.amazon.com/gp/product/B003...
Here is the borescope camera I used: http://www.amazon.com/gp/product/B00J...

Royal Purple Max Clean Test:    • Does Royal Purple Fuel Max Cleaner Ac...  
Gumout Test:    • Do fuel system cleaners actually work...  
Seafoam Test in a Car:    • Does Seafoam Actually Work in a Car? ...  
Seafoam in Lawnmower:    • Does Seafoam Actually Work? (with Proof)  
Techron Test:    • Does Techron Fuel System Cleaner Actu...  
CleanBoost Maxx Test:    • Can a Fuel Additive Really Increase H...  

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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.