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Is Leaded Fuel better than Unleaded? Let's find out!

Project Farm
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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 USvid 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. www.patreon.com/projectfarm
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

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Aug 12, 2019

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Comments 4 676
Dan Smithyman
Dan Smithyman 10 hours ago
Lots of us run Avgas on the race track.
Jakob Thompson
Jakob Thompson 3 days ago
I mean, smoke with _lead in it_ isn’t very good.
Project Farm
Project Farm 3 days ago
Thank you for the feedback!
dontlikemath -.-
dontlikemath -.- 4 days ago
Can you get your hands on some "zip fuel"? It’s a non-carbon based fuel with a higher energy density. It’s not too friendly to the engine and more expensive. It was supposed to be used for supersonic flight
Project Farm
Project Farm 3 days ago
Thank you for the video idea!
Geoff Hunt
Geoff Hunt 4 days ago
Used to run a newish Honda carb genny on avgas 130L damn exhaust used to glow under load
Project Farm
Project Farm 3 days ago
Thank you for the feedback
Mariano Santopinto
I’m impressed they still make leaded gasoline. Guess we will never learn
Project Farm
Project Farm 3 days ago
Thank you
T c
T c 4 days ago
I used 100 octane leaded fuel in my dirt bike', but i had to diluted it with 91octane in order for it to run more efficient in my 2stroke" over all it ran much better,i ran it in my lawn equipment it ran much cleaner,Running it concentrated didn't notice any huge proficiency.my opinion it runs better if you diluted it,it reduces the lead content and want interupt The octane that will allow the engine to run cooler and much better.
Project Farm
Project Farm 4 days ago
Thank you for the feedback
John A Doe
John A Doe 4 days ago
better? don't people know or understand why lead was added to fuel in the first place? if they did they would know why "better" really isn't a consideration. lead was added to lower the knocking noises that an engine makes, that's it, the performance between leaded and unleaded is all down to the octane level, which has nothing to do with lead. oh and gasoline is normally adjusted to be within a set range for it's octane level.
Project Farm
Project Farm 4 days ago
Thank you for the feedback
Phillip Frazier
Phillip Frazier 5 days ago
How about leaded gasoline vs unleaded. Not aviation fuel....Can you even get it?
Project Farm
Project Farm 5 days ago
Other than 100LL, I can't find leaded fuel
walter curl
walter curl 5 days ago
Could you test disc brake pads? I recently had mine changed on my Lexus (4 wheel disc brakes) and now just days after being cleaned my front wheels are black with brake dust. Didn't happen before the change .Great videos keep them coming.
Project Farm
Project Farm 5 days ago
Thank you for the video idea!
ben hager
ben hager 5 days ago
Of course it's not better. Mechanical function has nothing to do with opinion. Lead was used in early model cars to help reduce engine knocking, boost octane ratings, and help with wear and tear on valve seats within the motor. Improvements in engine design, and better materials made lead something no longer needed. The title to the video is to generalized. "Is leaded fuel better than 87 octane in an antique Ford flathead engine with high compression pistons and original valves" , would have been a better title, since the question is specific to a certain engine, design, and specs. The title as it is makes it sound as if they can be compared as a matter of preference with no regard to application, giving uneducated audiences the impression that you may simply just prefer one over the other. One is not better than the other. It's like asking if a 10mm wrench is better than a 12mm wrench. Well if I need to loosen or tighten a 12mm bolt, then the 12mm is obviously better because it's made for that specific application that I need it for. 10mm wrenches were not designed to fit 12mm bolts. One is not better than the other, they are each made for specific things. It's a silly question I think.
Project Farm
Project Farm 5 days ago
Thank you for the feedback
Tristan Mackey
Tristan Mackey 5 days ago
Today we're going to test ghost fuel vs regular gas. Lots of people claim that their engines produce more power and last longer using ghost fuel. Of course, ghost fuel releases howling specters when burned, causing souls of the damned to pour into our world, leaving ruin and madness in their tortured wake. Here's how we'll do the test...
Drew N
Drew N 6 days ago
Before the catalytic converter, lead was used as an octane booster and valve lubricant. Amaco was the first brand to have all grades of gas unleaded.
Project Farm
Project Farm 5 days ago
Thank you for the feedback
SuperAfranks
SuperAfranks 6 days ago
What? I can't wash my hands in benzine since I retired from the Firestone factory.
Project Farm
Project Farm 5 days ago
lol. Thank you
Ryan Toomey
Ryan Toomey 6 days ago
Leaded fuel will ruin your catalytic converter as well as spark plugs, but is perfect to run in non-catalytic converter engines as aviation fuel has no ethanol and does not go bad like regular gasoline! The reason why aviation fuel ran richer in the go-cart was because it designed that way to provide better cooling for air-cooled aircraft engines (richer fuel mix makes engine run cooler). It also made the go-cart run faster because it is higher octane and provided more horsepower, that is why they run high-octane fuel in race cars.
Project Farm
Project Farm 6 days ago
Thank you for the feedback
Tank_Too _Godly
Tank_Too _Godly 6 days ago
The speed will be the same because of gearing the av gas should run hotter and a stronger spark
Project Farm
Project Farm 6 days ago
Thank you for the feedback
Roy Weinkauf
Roy Weinkauf 6 days ago
saw a similar comment on one of your vids, would love to see you try a GEET engine setup
Project Farm
Project Farm 6 days ago
Thank you for the feedback!
Danny Wilson
Danny Wilson 6 days ago
I have a 73 Ford pickup original engine and it has to have leaded fuel in it
jake michael
jake michael 4 days ago
no it douse not ,ford since 1970-1 on all dash fuel gauges reads unleaded fuel. sum dashes did not mention fuel in that time like bronco or above one tun but could run on ether or but did not need lead. i have a 1972 Cleveland that has all tags and stickers most all service records and am the 3 owner has ran on non leaded gas for 25 years as it states on the dash! the lead thing was a big GM lie. the premum today 93 is only 2 to 6 points less than the old ron octane fuel in 1970 at 100! it is rated now with ron+mon/2 that is 2-6 points less in octane. and the lead would burn out mufflers spark plugs fill the engine with deposits!!!! Amico had no led premium white gas in starting in the 20s!! it was popular in the 1960s as it cleaned out the engine and fuel system. have made over 600hp on a 390 on 93 and with iron heads a crburator and the factory ignition! i know all about fuel formulations have studied it the old patients on leaded fuel talked to the old timers their in the 1960s as mechanics and racers. the best gas is hi test lead free.it just absorbs to much water unless you get ethanol free or dive it as a day to day and will have no problems. yes the seats do ware a small bit more but the meffers go out at 40,000 mi plugs shot by 15,000 mi and lead deposits on the pistons. the auto light 124 plugs wold lode up with lead in no time! read the factory service data on that engine not the hear say in internet land. i have yet to see a 72 up require lead! look at the fuel gauge as well as service glide octane ratings will be hi do to the old rating system. 1973-1979 is a cool pick up!! not being ass but a lot of people have not played with car engines since a teen with all the old service guides to!!! . was turning wrenches in one way since i was 8! wold love to find a unicorn as ford did strange things! i have worked on lots of ford unicorns like a ft truck block with car crank and dizz to make a bullet proof fe using ft block! LOOK UP THE FUEL IN A 1973 FORD SERVICE GUIDE! LOVE TO SEE IT! TAKE CARE
Project Farm
Project Farm 6 days ago
Thank you for the feedback!
Bobdodge
Bobdodge 7 days ago
what the heck!! Not suppose to use AV gas a skin cleanser? What am i going to use now???
Anthony Nelson
Anthony Nelson 3 days ago
@Bobdodge Roger that!
Bobdodge
Bobdodge 3 days ago
@Anthony Nelson wait for the ppl to chime in thinking we are serious lol
Anthony Nelson
Anthony Nelson 3 days ago
@BobdodgeI believe you are correct I have bought a lot of avgas and there is no specific warning against using it for gargling on either side of the pump.
Bobdodge
Bobdodge 3 days ago
@Anthony Nelson im sure gargling with it is ok... I mean there is no warning for that right!
Anthony Nelson
Anthony Nelson 3 days ago
I can't use it on my hands but can I still gargle with it? I hate the unleaded after taste.
mike cubes
mike cubes 8 days ago
did you ever do a test to see if ethanol gas will unfreeze a fuel line that has ice in it? its alcohol so would ethanol work better than isopropyl gas line antifreeze? or will ethanol gasoline keep water from freezing in your gas line? just an idea
Project Farm
Project Farm 8 days ago
Thank you for the video idea!
S H
S H 8 days ago
No bottom line results? Gee, thanks.
Project Farm
Project Farm 8 days ago
Sorry to disappoint
Jim Addison
Jim Addison 8 days ago
For something you may not know, high octane fuel does NOT mean more power. It's actually less power. High octane fuel is for high compression engines to prevent pre ignition. Put high octane in a car that calls for 87 octane, and you'll have a car that runs bad.
jake michael
jake michael 4 days ago
so right but that is to much for the mouth breather to under stand! i have on 87 ran 10:1 or more compression on a 302 ford iron heads from 1966-67 289 with a carburetor and dizzy no ping or sine of it on plugs. the key is small chamber and tight quench aka mechanical octane .it has a small solid lifter cam so it releases sum of the pressure with a 4 speed and deep gears 60 mph is 2900 rpm keeps lode off the engine the fast piston speed keeps the mix moving along with qench no ping! use 160* thermostat. the low octane and hi btu over premium gives better power at a lower cost and i get better than factory mpg even thou it is more suted for rode racing or dirt track. the key is dynamic compression and quench. all so the tune.
knight0334
knight0334 8 days ago
Lead is better if you have an older engine with non-hardened valve seats.
Project Farm
Project Farm 8 days ago
Thank you for the feedback
William Vaughan
William Vaughan 8 days ago
Air fuel ratio corrected av gas has more energy content than v10 however ave gas is designed for high compression engines and is poorly suited for engines designed to run on v10 pump gas engines.
Project Farm
Project Farm 8 days ago
Thank you for the feedback
David Stoughton
David Stoughton 9 days ago
nice property
Project Farm
Project Farm 8 days ago
Thank you
Dillan Geiser
Dillan Geiser 9 days ago
Hey project farm does mixing synthetic and non synthetic oils , because of a leaking engine, and bringing oil pressure to running level lubricate less than either alone. In other words is mixing oil brands and synthetic not synthetic (mostly)dangerous.
Project Farm
Project Farm 9 days ago
Thank you. I have a video on mixing them
kobi bobi
kobi bobi 9 days ago
I am watching your fantastic videos. Looks like head cylinder and components cleaning abilities depend on temperature. I think the higher temperature in lowest RPM is the key in 80%.
Project Farm
Project Farm 9 days ago
Thank you for the feedback
mbsnyderc
mbsnyderc 9 days ago
There both gasoline and the difference in how they run has nothing to do with there being lead in it more likely the lack of alcohol in the fuel the more alcohol the richer you have to run the engine.
Project Farm
Project Farm 9 days ago
Thank you for the feedback
rtyuik7
rtyuik7 9 days ago
420cc generator, eh? B-)
Project Farm
Project Farm 9 days ago
Thank you
XC
XC 9 days ago
100LL is formulated for high altitudes at a pretty steady rpm for long periods of time. You gain nothing by running it in ground based engines and it's still toxic.
Project Farm
Project Farm 9 days ago
Thank you for the feedback
Bob Car
Bob Car 9 days ago
WARNING: Seriously important advice on wearing nitrile, latex or any stretchable gloves while using a drill press or any high torque drill or wire wheel - DON'T DO IT! - Even a tap of a stretchable glove on a spinning wheel, especially one with cutting edges (drill bit) or scraping edges (wire wheel) can suck your gloved hand around that spinning surface and break your hand or fingers and even remove them. The action is so fast you won't have the time to pull back. The more durable the glove the less likely it will tear off your hand and the more likely it will draw your fingers around the spinning drill bit. Especially the durable black nitrile "mechanics" gloves.
Project Farm
Project Farm 9 days ago
Thank you for the feedback
Stalin
Stalin 9 days ago
Well, we know which one is better for every living thing.
Project Farm
Project Farm 9 days ago
Thank you for the feedback
‍1marcelfilms
‍1marcelfilms 9 days ago
Id like some lead for my gasoline bicycle
Lewis Johnson
Lewis Johnson 9 days ago
I could drive that thing back and forth all day
Project Farm
Project Farm 9 days ago
Thank you
Maliki Higgs
Maliki Higgs 9 days ago
Why does tht piston have a nik in it ?
Project Farm
Project Farm 9 days ago
It comes from the factory like that. Thank you
mark campbell
mark campbell 10 days ago
Back in the late 80s I worked on the civilian side of a military airbase, we had 3 fuel trucks with 100LL. Every morning we had to drain 5 gallons of fuel out of each tanker, (helped reduce any water build up) back then we dumped it in what basically was just a hole in the ground. I used to run my old 69 truck on it, and an old 68 harley. Never did run them on it straight, but at about 75% 100LL- 25% cheapest unleaded I could find.
Project Farm
Project Farm 9 days ago
Thank you for the feedback
Andreas mathiassen
Andreas mathiassen 10 days ago
I found metal shavings in my scooters oil, can you tell me what I am supposed to do here? Also the scooter seems to have trouble running smoothly now.
Andreas mathiassen
@Carson Prince I think I flooded the engine with too much oil. Don't know how to resolve the issue.
Carson Prince
Carson Prince 9 days ago
It could be an issue of lubrication if you are finding metal shavings in the oil. Check for any leaks or low oil first. How old is the oil too?
fox 6
fox 6 10 days ago
hope u used a mask when in the room with that avgas lots of toxic shit in there
Project Farm
Project Farm 9 days ago
Yes, thank you
Rob Sherbon Jr
Rob Sherbon Jr 10 days ago
Episode idea... how will temperature effect a bullet. Will they fire when frozen. If the FPS a different speed when frozen.
Project Farm
Project Farm 9 days ago
Thank you for the video idea!
Rob DeWitt
Rob DeWitt 10 days ago
I would love to see a video of 2 stroke oil comparison, some of the popular choices for 2 stroke dirt bike owners such as motul 800, amsoil dominator, maxima castor 927, motorex crosspower 2t, yamalube 2r, and belray h1r...there is lots of debate on which is the best but no real hard facts to prove this...thanks and great job with the videos
Project Farm
Project Farm 9 days ago
Thank you for the video idea!
Larry Ehrlich
Larry Ehrlich 10 days ago
The aviation "low lead" fuel is by no means low in lead content. It was labelled as low lead fuel when it was compared to the original higher lead content of aviation fuel. The orginal aviation fuel had a higher lead content then today's leaded aviation gasoline does.
Project Farm
Project Farm 10 days ago
Thank you for the feedback
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