Is Leaded Fuel better than Seafoam vs Marvel Mystery Oil! 1 day ago   10:46

Project Farm
Is leaded fuel better as than unleaded gasoline? 100 octane low lead aviation fuel (100LL avgas) is tested in several engines: Wankel rotary, see through piston engine, fuel injected generator, small engine for lead build up, and Predator 212 for top speed performance. A special thanks to Matt from the Warped Perception YouTube channel for loaning his rotary engine to me! Please check out his channel. His videos are absolutely amazing!!! Also, thanks to all the viewers that requested this video. Thank you very much for supporting the channel by watching the commercials and through Patreon support.

This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Project Farm LLC

Comments 4047 Comments

R1 Powersports
Project idea: I saw a video where waste plastic was turned back into oil by heating/melting the plastic and venting the exhaust through a water bath. Wonder if you could use this oil as fuel? Great videos! Keep it up!
Kim Bergeron
YOur videos keep getting better and better.
This shows that 100LL has a LOT more lead than lead-free (I know this SHOULD be obvious, but talk to the average person)

I especially like how when you give a piece of data you give the before also (REALLY LIKE THIS!).
Once again, thanks.
James Kelly
Great drone shots!
Texas Buzzard
Super cool video and clips. I’ve been running avgas in my small engines for the last 8 yrs, so I was really interested in the results. I feel like this video needed a conclusion... after watching I don’t know.. that was a lot of lead build up
Great, cheap and very stable for high compression drag racing engines!!!
chauncey williams
Hope you didn't breathe that lead fuel exhaust
Cory Savage
I just want to say great work on the video. I hope that you had a lo of fun making the video. I never heard of this type a fuel before. I would like to see you try testing table saw blades to see if brands makes a difference or not. As always I am looking forward to the new video that is coming out on Monday again. I would just like to say one last thing take care in' till next time!
Jay Aldridge
Awesome video.
What we do not realize is the amount of ENERGY in the see through cylinder head quite amazing thank you for your hard work.
Can you test Redline fuel system cleaner? Maybe compare it to ones you already have tested like Marvel and Seafoam?
Justin Wallace
The lead is not good for the 4 stroke engines. Todays 100LL contains far more lead than car gas ever did. About 4X as much. I run it in my two strokes, and generator due to the long storage life. Rated at 5 years for aviation use, shelf-life is more like 10 years.
Greg Huth
#Suggestion - I had a guy tell me that the often used starting fluid is dangerous: "A fire hazard." He suggested using WD40, saying it was every bit as good. I am interested. Thanks.
Tony Ray
Good time to say "Get the lead out " !!!!
Element of Kindness
Your expertise is needed! Duracell is claiming their new Optimum alkaline batteries have "more life in some devices, and more power in others." (always followed by an asterisk with no defining data, other than to say "compared to regular copper top batteries.)

It sounds like BS to me, and needs to be tested whether there is more watt-hours of energy at a given current, AND if a higher current can be drawn at a given voltage.
Mr Fix It Mercedes Benz
If you don't mind. I would like to say. then lead in gasoline main purpose is to coat the exhaust seat so the the valves don't wipe out the seat, Second unleaded fuel is only used on engines that have hardened valve seats , Testing of gasoline is done on the RON / MON Single cylinder adjustable compression engines , hence at the pump you will see. R+M/2. this means RON samples plus MON samples divides by 2 gives you a octane number . Most gasoline engines can run on 66 octane but under load will knock . just some FYI. info on unleaded & leaded gasoline
Sara Llewellyn
I was curious: Trimmer cord is very specific in its diameter: .065,.080, .095, .105 etc.

There's something else out there that you can get in those exact diameters: Piano wire, which is extraordinarily strong, durable, and flexible.
( ) The tensile strength of one popular brand of piano wire is listed as 2620–2930 MPa. By comparison, the tensile strength of a human bone is only 130. Wouldn't recommend exposing your fingers to this while it's on a trimmer.

I was wondering if it would be better (or possible) to use piano wire for trimming?
Sfer Tonoc
A video on various oil weights going through a coffee filter or a sieve at different temps would be interesting to see if those 0w 5w oils are really necessary for the new cars or if 10w would be fine with it
Edward Teach
Blackbeard would like to see a spark plug comparison video if that’s possible
Kirin Sim
Any video regarding fuel addictive test?
Thanks for making these awesomely weird videos! Keep up the amazing work!
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Seafoam vs Marvel Mystery Oil! Is Leaded Fuel better than 1 day ago   10:00

I test the legendary Marvel Mystery Oil and compare it to Seafoam results from previous videos. You get to decide which product is superior!
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