The Lowest Recorded COMPRESSION RATIO Engines
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Күн бұрынA compression ratio is an important aspect of an engine. In theory higher the compression ratio, higher the thermal efficiency. Modern engines benefit from an incredibly high level of engineering and materials that achieving high compression ratio is possible even on a regular pump gas.
There are engines not only from the past which could not run high compression ratio simply because a specific fuel, such as a low octane one, would not allow it. And those are the engine we will talk about.
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- Credits -
“Blitzen Benz Miller Meet 2012” by thoriated
• Blitzen Benz Miller Me...
“Blitzen Benz: een iconische klassieker” by Mercedes-Benz NL
• Blitzen Benz: een icon...
“Starting the 1909 Blitzen-Benz, UNEDITED, @ Pebble Beach Concours d'Elegance” by EarthAdvocate
• Starting the 1909 Blit...
“Blitzen-Benz at Mercedes-Benz test track in Stuttgart-Untertürkheim” by Wulle126
• Blitzen-Benz at Merced...
“Blitzen-Benz warm up in Fellbach near Stuttgart, Germany” by Wulle126
• Blitzen-Benz warm up i...
“1934 Ford Flathead V8 221 Engine Isky Max 1 Camshaft” by Jeni Jones
• 1934 Ford Flathead V8 ...
“Ford Flathead V8 running with one head removed.” by Cody Hook
• Ford Flathead V8 runni...
“1931 Ford Model A Hot Rod Flathead V8 isky 400jr” by Ryan Frederic
• 1931 Ford Model A Hot ...
“1935 Ford Flathead V8 First Start” by Tom d
• 1935 Ford Flathead V8 ...
“1940 Ford 221 Flathead V8 Engine Running AV8 Hot Rod SCTA TROG” by Jeni Jones
• 1940 Ford 221 Flathead...
“Tatra 77 (1936) driving experience” by Steering Media
• Tatra 77 (1936) drivin...
“The Dramatic Debut of the Tatra” by Pebble Beach Resorts
• Video
“tatra 77” by tajomnik khvmi
• tatra 77
“Závod veteránů, 1000 mil československých - Přibyslav 2020” by malaaja
• Závod veteránů, 1000 m...
“1930 CADILLAC SERIES 452 V16 ROADSTER” by Classic Promenade
• 1930 CADILLAC SERIES 4...
“1930 V16 start up” by seanbray10
• 1930 V16 start up
“1930 Cadillac 452 V16 Town Sedan (part ii)” by ClassicCarWeekly.net
• 1930 Cadillac 452 V16 ...
“Cold start 1930 Cadillac V16” by Dragone Classic Motorcars
• Cold start 1930 Cadill...
“SOKÓŁ 1000 PZInż” by GREGOR ŁĘCZNA
• SOKÓŁ 1000 PZInż
“Sokół 1000 Jesień Urle 2013” by Paweł Żmijewski
• Sokół 1000 Jesień Url...
“Sokół 1000 zima” by Motorcycle of II WW
• Sokół 1000 zima
“1942 Harley Davidson WLA Start Up Procedures” by Glenn Bator
• 1942 Harley Davidson W...
“Harley Davidson wla 1942” by GilletTDM
www.youtube.com/watch?v=5swjl...
“Old Lanz Bulldog” by Mitch Tarrant
• Old Lanz Bulldog
“Como funciona o motor de um trator Lanz Bulldog??” by Lucas Micheletti - Tratores Antigos
• Como funciona o motor ...
“Lanz Bulldog Cast Iron Piston 225mm Tig Welding” by dwerke
• Lanz Bulldog Cast Iron...
“Lanz Bulldog 1941” by Didier
• Lanz Bulldog 1941
“Lanz Bulldog D 9506 Part 1 - 1st start after 40 years” by ClassicTractor
• Lanz Bulldog D 9506 Pa...
“Ferguson TE20 Tractor” by Old tractors and farm machines
• Ferguson TE20 Tractor
“Ferguson Tef20 Start-up And Road Run” by DG AUTOMOTIVE FABRICATIONS
• Ferguson Tef20 Start-u...
“1951 Ferguson TED20 2.0 Litre 4-Cyl Petrol TVO Tractor (28HP)” by Incredible Classic Tractors
• 1951 Ferguson TED20 2....
“Model T Ford Starts after 60+ years” by fred wicker
• Model T Ford Starts af...
“New Model T Engine in Test Stand” by T Foye
• New Model T Engine in ...
“1923 Ford Model T Runabout” by Liquidity Services Archive
• 1923 Ford Model T Runa...
“12585 - Ford Model T Doctor's Coupé - 1925” by Bilwebauctions
• 12585 - Ford Model T D...
“SOLD: 1912 Model T Speedster” by spokemotors
• SOLD: 1912 Model T Spe...
“1922 Ford Model T Ride” by Matteo Walton
• 1922 Ford Model T Ride
“First firing of the 1917 Model T engine” by 64gravely
• First firing of the 19...
@kreislauftabledde 3 жыл бұрын
What about "The weakest v8 engines"? I think that would be interesting.
@stefanpaege2046 3 жыл бұрын
Engine capacity (displacement) to horsepower is a significant number for any engine. Imagine a "nervous" Italian sportscar with, say, 1,5 litres & 150 HP & a bigblock with, say, 7 litres & 270 HP, the former has 100 HP per litre, the latter a mere 38,5 HP per litre - which really makes it an agricultural machine...😎
@johnshelton1205 3 жыл бұрын
@@stefanpaege2046 power per litre means nothing. Its all about power to weight. Chevy ls1's, despite their displacement, are actually quite light and compact, which is why they are so succesful. Also not to mention how durable they are
@OldSchoolZ-wy2yx 3 жыл бұрын
@@johnshelton1205 power to weight means nothing to efficiency.
@johnshelton1205 3 жыл бұрын
@@OldSchoolZ-wy2yx yet everything to performance
@alternator7893 3 жыл бұрын
The Curtis V8 from 1906 was an air cooled 90° dual carburator F head low compression engine with a 269cu (4410cc) displacement that developed 40 horse power @ 1800 rpm
@mahiru20ten 3 жыл бұрын
Damn, that Blitzen Benz has one hella torque, that power to torque ratio feels like a modern forced induction diesel. And then you saw the Lanz Bulldog. Holy hell, that's a massive torque.
@KitKitChanIsaac 3 жыл бұрын
Blitzen Benz:I have so much torque that I spin the Earth Lanz Bulldog:I'm about to end this man's whole career
@RGV2300 3 жыл бұрын
But it was a 20 liter too, wouldn't expect less.
@isaakwelch3451 3 жыл бұрын
The 0 rpm lanz bulldog is a chad engine
@BIGEDSIK28 3 жыл бұрын
The Blitzen Benz has all that torque and a chain driving the rear wheels 😂 gotta love early 1900s ingenuity!
@cenchloraadums3143 2 жыл бұрын
Modern forced induction diesels are capable of generating almost 3 times as much torque with only two third of that displacement. And any modern naturally aspirated gasoline car can easily achieve over twice as much of that torque to displacement ratio. That's how far the technology has developed over the years.
@ReidHenderson 3 жыл бұрын
Compression ratio was low back in the day but it helped with simplicity and longevity of these engines. Alot of them had exhaust manifolds attached to the intake to help vaporize the fuel and help burn off due to the lack of compression. Also some had low enough compression like tractors so they could be designed to run on kerosene!
@a64738 2 жыл бұрын
Diesel engines that have much higher compression ratio then gasoline run perfectly fine on kerosene if you just mix in some 2 stroke oil (1:200 or so is recommended)... Have done it for 2 years now on 2 different modern turbo diesel cars to burn away old kerosene that now is illegal to use here for heating of a house if you have built in electricity.
@ReidHenderson 2 жыл бұрын
@@a64738 ive run diesels on kerosene transmission fluid and used motor oil and vegetable oil. Anything that has an oil base and can be filtered out well.
@dorinp007 2 жыл бұрын
@@a64738 Of course, kerosene is very similar to normal diesel fuel, and they have this wonderful property to self-ignite. This self-ignition must be avoided in spark-ignited engines, because this self-ignition (sometimes in the form of detonation) happens at completely the wrong moment (usually too early), leading to wear, or even destruction of the moving parts.
@19wael96 3 жыл бұрын
I love that there is a channel dedicated to engines and that I have it in my subscriptions, thank you for keeping on doing what you do even in the face of difficult times.
@VisioRacer 3 жыл бұрын
Much appreciated, Wael, thanks!
@tazareal 3 жыл бұрын
Ford Model A was 4.2:1 compression ratio. One reason its 3.3 litre engine only made 40 hp!
@doodskie999 3 жыл бұрын
Low compression engines, also one of the most reliable engines
@danieljones317 2 жыл бұрын
They work on magnetos, too! Same principal behind the way a gas lawn mower works. A magnet goes past a coil, which makes the spark.
@zmankiller11 2 жыл бұрын
Diesels and Toyota v8s disagree
@magisterrleth3129 2 жыл бұрын
Yeah, less wear, but you drink dinos like they're still walking around.
@danieljones317 2 жыл бұрын
@@magisterrleth3129 don't go there. Yea, there. Unless you have the geological proof, just don't.
@magisterrleth3129 2 жыл бұрын
@@danieljones317 What are you talking about? If you're going to clutch your pearls, it's best to be clear on what you're clutching your pearls about.
@julek43 3 жыл бұрын
Fun fact: Sokół 1000 nowadays can cost up to almost 100k $
@snjert8406 3 жыл бұрын
That's crazy!
@aleksanderfiold7554 3 жыл бұрын
@@snjert8406 In Poland Sokol 1000 is kind of motorcycle of all motorcycles. You just can't have better and more prestigious bike. That was military motocycle, so it wasn't fast, but had great off-road capabilities.
@snjert8406 3 жыл бұрын
@@aleksanderfiold7554 Thanks for explaining!
@bobphillips2188 3 жыл бұрын
Love it, thanks for the vid! I used to work in a petrol station (UK term) or gas station (in US) when I was young - early 1970s - and we had a back-up diesel-powered generator for when there were power cuts (outages), which there often were back then, for all sorts of reasons (see British history in the '70s). It was a single cylinder, hand-cranked monster. You held a valve-lifter lever open with one hand while you cranked the beast with a huge handle. If you let go of the valve lifter before the flywheel was spinning fast enough you could break your hand/wrist/arm, whichever! When it 'caught' you could feel the ground shake. It was bolted to the concrete floor. But it did the job. I loved the sound of a huge single running at ? maybe 500 rpm. No one ever serviced it, or changed the oil even. No one knew when anyone had last done anything to it! You could put almost any fuel in it, paraffin/kerosene, petrol, diesel. I even - just for fun - added a mixture of engine oil, petrol, and paraffin, and it ran perfectly! Yet it ran ever time you needed it.
@stefanpaege2046 3 жыл бұрын
Food for thought: A low compression engine may be very helpful in times of poor petrol quality...
@kimpatz2189 3 жыл бұрын
Compression plates? Those are still in use on aircooled single cylinder engines. Chinese single cylinder diesels uses them.
@otm646 3 жыл бұрын
@@kimpatz2189 why would you want to drop the compression ratio of a small or cold diesel? That's only going to hurt your thermal efficiency. There is zero pre-ignition risk with a diesel anyways.
@gio0042 3 жыл бұрын
Can someone explain why?
@gio0042 3 жыл бұрын
@Alfred Wedmore thank you for the answer. I couldn't understand what you guys meant by "low quality petrol"...
@kimpatz2189 3 жыл бұрын
@@otm646 The designs got cloned so much that some of the measurements are a bit off. The cylinder block can be off by a few measures, The piston rods length can be different. The plates are mounted between the crankcase and the cylinder block to solve those tiny indifference.
@daszieher 3 жыл бұрын
I liked this one very much. I think that low compression engines just sound "juicier".
@beaterbikechannel2538 3 жыл бұрын
They sound more lazier. This is not a bad thing .Nice sound though.
@bhaggen 3 жыл бұрын
Compression RATIO is NOT actual compression (measured in PSI) the piston cannot build compression until all the valves in its cylinder are CLOSED. Watch the mate valves on the Benz; they're never open simultaneously at all; this builds more compression from a lower compression RATIO but severely limits RPM & HP. Compare that to a 60s & later valve-train where the intake valve[s] opens before the exhaust valve[s] closes (overlap) The more radical the cam the more overlap it has, which contributes to the "lope" associated with high lift/duration camshafts that allow the engine to rev higher but require a higher comp ratio to build equivalent compression. It's that lack of cam overlap and huge displacement that gives old engines that "juicier" sound even though the dynamic compression is about the same.
@daszieher 3 жыл бұрын
@@bhaggen although most of what you say is right, the dynamic compression is nowhere near the same. While there is more valve overlap in modern designs, it is nowhere near enough to allow for similar compression. Peak cylinder pressures are much higher today that they were before.
@beaniebassist 3 жыл бұрын
I feel the same way about small displacement V8
@RidinDirtyRollinBurnouts 3 жыл бұрын
I agree. Low compression engines have their own unique characteristics like all engines. After all, we are fans of all sorts of motors, thats why we watch these videos 👍
@aaronburratwood.6957 3 жыл бұрын
That polish motorcycle really sounds like an old Indian. This was another great video. I love the flathead Ford so much I have a tribute tattoo of it.
@evoblade2000 3 жыл бұрын
He said they copied the Indian engine, so that's why. :-)
@aaronburratwood.6957 3 жыл бұрын
@@evoblade2000 Yeah, that’s the point.
@scottyjones27 3 жыл бұрын
Polish motorcycle , Indian copy engine , the rest with HD frame and wheels ? I bet with today's oil n leaded gas that polish motorcycle would ride U around the globe
@BroPros4 3 жыл бұрын
Imagine going 120 mph on old tires that are narrower than motorcycle tires
@kerimca98 3 жыл бұрын
But low resistance doe!
@johndowe7003 2 жыл бұрын
Too be fair the werent old back then. And wee go even faster nowadays with the same thin tire /wheel in land speed records
@Ravello1111111111111111111 2 жыл бұрын
Fun
@caralho5237 2 жыл бұрын
@@johndowe7003 its possible but those jet cars that hold the land speed records have a shit ton of downforce
@laszlonemet4425 2 жыл бұрын
Fourofthem
@42Goopy42 3 жыл бұрын
I own the US version of the gas powered Ferguson tractor. I love the thing. Starts up every time and pulls anything I put behind it. That thing will outlive me easily.
@stevie-ray2020 3 жыл бұрын
Love the clever idea to crank-start the Lanz Bulldog with its own steering-wheel!
@catalintimofti1117 Жыл бұрын
That was just built different
@alternator7893 3 жыл бұрын
I have a book about car compression ratios, I remember the lowest compression ratio to be 3:1 I'm out of town right now but I'll be back on Monday, I'll send the exact make and model when I get back.
@arthurerby2466 2 жыл бұрын
Make and model please lol
@alternator7893 2 жыл бұрын
@@arthurerby2466 shit I almost forgot!, Hold on a minute
@alternator7893 2 жыл бұрын
Rolls Royce Silver Ghost (1907) Compression ratio of 3.2:1 Engine: front longitudinal, water-cooled straight six in two groups of three cylinders Cubic capacity: 7046cc/430cu Bore x stroke: 114mm x 114mm Maximum power: 50bhp @ 1500 rpm. Sorry it's not quite the 3:1 I said it would be, I'm sure it would get there if it was my daily driver tho ;-). I also found this sub 4:1 compression ratio one. Itala Grand Prix (1908) Compression ratio of 3.8:1 Engine: front longitudinal in-line four cylinder, pair cast Cubic capacity: 12045cc/734.7cu Bore x stroke: 154.8mm x 160mm Maximum power: 100bhp Other low compression cars I found: Austin Seven (1925) 4.9:1 Amilcar c6 5:1 Bentley (1930 4.5 liter supercharged) 5:1 Vauxhall 30/98 OE type 5:1 Isotta- Fraschini tipo 8 5:1 Lancia Lambda 8th series 5.15:1 Duesemberg model J 5.2:1 I also found out that the 1985 Audi Quattro had a compression ratio of 7:1 which is pretty interesting.
@dietteriffic 2 жыл бұрын
Great info!, could you please tell me which book is it?
@alternator7893 2 жыл бұрын
@@dietteriffic @dietteriffic the book is "inside 100 great cars" by David Hodges, I think it was originally published in 1988, I have the 1997 reissue, it's a really cool book filled with car history and specs 👍
@KitKitChanIsaac 3 жыл бұрын
these engines are still more efficient than me when I'm studying edit:thanks for the likes guys!
@PecanRanch 3 жыл бұрын
High octane fuels were often not widely available, so manufacturers built to the specs for low octane fuels.
@archygrey9093 3 жыл бұрын
Also weaker parts and metallurgy, higher compression ratios put way more stress on the engines.
@cdjhyoung 2 жыл бұрын
@@archygrey9093 The engineering that came out of World War II really helped the automotive world with better fuels that allowed higher compression ratios to be used. Metallurgy also took huge leaps ahead. The Ford 9N tractor of 1939 suffered from weak cast iron parts in its transmission and rear end. Compare it to the almost identical Ford 8N or 1948 and those weaknesses are now the strength of the design. The transmissions and rear end of the 8Ns could take far more horsepower input than the 1939 tractors and since the trans housing also acted as the rear tractor frame, could take greater stress from work loads.
@backyardrestorations 3 жыл бұрын
Always nice to see you upload.
@BIGEDSIK28 3 жыл бұрын
This was a great topic! You always have the right stuff to satisfy my motorhead. Love watching the information you put out! keep it going. If you haven't already done a highest compression ratio engines yet you should!
@VisioRacer 3 жыл бұрын
Thank you!
@1258-Eckhart 3 жыл бұрын
One of the advantages of low compression engines is that they are easy to hand-crank (or kickstart).
@QuakeGamerROTMG 2 жыл бұрын
Was certainly fun watching a guy trying to push start his BMW S1000RR when the starter died 14:1 compression ratio and crazy high gearing meant it took him a couple dozen goes and some help from others to get it to turn over lol
@billdale2442 2 жыл бұрын
they also like ether. low compression engines dont go into catastrophic failure even after spraying a bunch
@thebitlot 3 жыл бұрын
Love how the Benz at the start sounds like a drum roll at idle.
@cnance1972 3 жыл бұрын
GREAT video as always my friend! Love the simplicity of the early Ford's , loved the rear V8 and curves of the Tatra. Good job! 👊💪
@official_commanderhale965 3 жыл бұрын
The Allies enjoyed the Tatra's rear mounted V8 as well..... When it would lose control and kill some Nazi's.
@cnance1972 3 жыл бұрын
@@official_commanderhale965 like adding too many people in the back of a early VW bug
@official_commanderhale965 3 жыл бұрын
@@cnance1972 exactly! Slowing down for an off ramp is a bit tight.
@cnance1972 3 жыл бұрын
@@official_commanderhale965 that's why cars had brake pedals for both feet 🐾
@Sam-in1sh 3 жыл бұрын
He missed the bulldogs party piece. It can run at 0 rpm
@hdezn26 3 жыл бұрын
I'm glad for a channel like this, I get to see and hear many things that sometimes I haven't heard of before. All the time and dedication to make such a video, for us to see is very nice!
@csonkaperdido 2 жыл бұрын
I'm just commenting because I know that the algorithm likes comments and I want this channel to be as successful as possible.... As a marine mechanic it's awesome to learn about all the different technology used in other fields, such as aircraft or farming equipment... And it's awesome that he is from Eastern Europe because he can tell us about all the crazy soviet Era designs that we never would have seen here in America! AWESOME CHANNEL!
@forcenature2277 3 жыл бұрын
Me as new generation that grew up in modern culture n studies quiet long in autimotive always making me jaw dropping that made feel puny..as much like 100years ago are craziest as it gets
@CarputingYT 3 жыл бұрын
This is a really interesting one!!! I was actually always curious of this. Thanks for the great topics VisioRacer!!! Have a great day.
@VetoAkseli 3 жыл бұрын
I've been watching your videos for years because KZfaq is always recommending them to me 😂 Very interesting and educational, subscribed.
@hugobloemers4425 3 жыл бұрын
Cool engines from a simpler world, fantastic.
@fry.master 3 жыл бұрын
Just as an anecdote.. my 87 740 turbo manual Volvo would roll down hills if you left it in gear without the handbrake on, as the compression was so low lol.
@rosemaryfriedw124a8 3 жыл бұрын
It's because of non-interference engine design, Volvo's redblock, Toyota's 4A-GE and 1/2JZ with no VVT-i, and Honda's belt driven V6 are the prominent examples. They might be inefficient but a belt snap wouldn't end the engine's life.
@sneedlewoods829 3 жыл бұрын
Turbo engines always have lower compression, but still impressing
@rosemaryfriedw124a8 3 жыл бұрын
@Coby Williams the 16 valves are non-interference
@laurean5998 3 жыл бұрын
I drive a '92 1.4l opel, non interference as well. Handbrake is very worn out at least partially due to idiots leaving the handbrake on while driving. If it is to steep it will push through first gear and the handbrake, I am happy I don't live in a hilly area...
@rosemaryfriedw124a8 3 жыл бұрын
@Coby Williams maybe you should replace it immediately and get a new cambelt history/lost concern, or get another car with timing chain
@Twinspinner 2 жыл бұрын
Can you imagine taking a wheel to the side of your engine as a starting crank, then pulling it out and attaching it to the steering column and it being your steering wheel? That's badass
@zonie1953 3 жыл бұрын
Your content is always good Samuel ! The channel just keeps getting better and better . Congratulations from Arizona 🌵
@davesendit1348 3 жыл бұрын
I have loved your videos for years, and I still do!!!! Very entertaining, very informative and very professionally done videos. Thank you!!!!!
@CharredSteak 3 жыл бұрын
Low CR engines will always have a place in my heart. Amazing how quiet they can be, even straight piped
@duckboy9979 3 жыл бұрын
Always something new to learn when ever I watch one of your videos. The sound of pistons bouncing about is always a great symphony.
@mesa6608 Жыл бұрын
You're the best car- and engine-related KZfaqr ever. Love every single one of your videos. Greets from Vienna, Austria.
@cwie2968 3 жыл бұрын
Great video..please keep making more. I've learned alot watching. Thank you
@philb8437 3 жыл бұрын
I've been checking a bunch of your videos and I really like the content you make, it is very interesting. Thanks for bringing this to us
@VisioRacer 3 жыл бұрын
Thank you, Philippe! I appreciate it much
@shanewondrak9661 3 жыл бұрын
I always look forward to your videos. This one was great!
@he.lena21 2 жыл бұрын
Very informative and entertaining!!! Love the video!!!
@snakeboy256 3 жыл бұрын
Good job on this. It was very interesting. Keep up the good work.
@erlgro 3 жыл бұрын
Thanks for your amazing videos! greetings from North Norway :)
@cluricaun78 3 жыл бұрын
Another great episode, and had to watch it more than once! Can't help but to love the flathead Ford V8
@_trudge 3 жыл бұрын
i appreciate the work you put in to your videos, thank you for sharing
@peterherrington3300 3 жыл бұрын
Excellent content , keep them coming 🏆 Life long biker that's never heard of sokol either
@willstokes7266 3 жыл бұрын
That tractor must bounce about like mad with that piston flying around
@touraneindanke 3 жыл бұрын
My dad had a Porsche diesel junior tractor running stationary it made me jumping on the seat when i was 6 jrs old. Had to hold myself down using the steering wheel. I never owned a Porsche myself 🙃
@willstokes7266 3 жыл бұрын
@@touraneindanke hahaha maybe you will get one in the future though!
@rosiehawtrey 2 жыл бұрын
Field Marshall was a single cylinder too - bounced so much at low power grandad refused to buy one - think a 2 ton pogo stick...
@touraneindanke 2 жыл бұрын
@@willstokes7266 ,. Maybe.... I gave my dad a miniature one (about 15 cm) very detailed . I may inherited this jewel if I wait long enough. But then again he is only 93 and strong as an ox .....not in a hurry to go anywhere. Hopefully he outlives me! 💪
@willl84 3 жыл бұрын
Great video as always! Thank you!
@jtreinen762 2 жыл бұрын
Your English has improved well since I first watched the channel. Very good!
@CastleAdam 2 жыл бұрын
It’s good to see you Mr. Visio :)
@Liemannes 3 жыл бұрын
Loved the content! Being subbed for long time!😁
@VisioRacer 3 жыл бұрын
Thanks! 👏🏻
@apancher 3 жыл бұрын
Another great video of the weird and wonderful! A friend of mine's dad has a Cadillac V16. Its incredibly smooth, but their Marmon 16 is even smoother. It almost feels electric.
@otm646 3 жыл бұрын
My grandfather's first job here in Detroit was ripping out those v16 and installing straight 8s as they were so unreliable and difficult to tune.
@apancher 2 жыл бұрын
@@otm646 definitely not a simple machine!
@leviwaite1136 3 жыл бұрын
Man I love this channel!
@lanceolson9366 3 жыл бұрын
Super educational great content keep up the good work
@scottyjones27 3 жыл бұрын
Yes thank you for sharing ur time and putting together these great and educational videos
@VisioRacer 3 жыл бұрын
My pleasure!
@YMHCoolGuy 3 жыл бұрын
Never expected such a list, good job this was great
@VisioRacer 3 жыл бұрын
My pleasure!
@nick_dizzle 3 жыл бұрын
Great vid man!🤘👍
@hansa9159 3 жыл бұрын
Another great video, thank you!
@Zchef85 3 жыл бұрын
I love automotive superlatives like this. Longtime subscriber!
@oculusangelicus8978 2 жыл бұрын
Great video!!!! Love seeing the things I grew up around out at the farm, especially the hot bulb engine tractor! The thing about those old beasts was feeling them run more than hearing them! I can still feel the Thumping in my chest as that old tractor sat there idling! And the heat they threw out would make you sweat even on cool days! The Horses hated it though, Gramps always said it hurt their ears so they would move inside the barn when he would Start that thing up! LOL
@FransvandenBergeMuziekschuur 3 жыл бұрын
You are a great teacher!
@davida1hiwaaynet 3 жыл бұрын
Very cool! I love the old machinery like this!
@amiramirgerard2818 2 жыл бұрын
Very good information👍💖
@demonic477 3 жыл бұрын
you can make a high compression flat head ford but you need to flip the intake and exhaust around to feed it. with the headers in the intake valley and carbs on the exhaust ports it's a silly looking engine that won a lot of drag racing trophy's in the day. you can do the same thing with a Buick nail head to overcome the small intake valves and a lot of drag racers did
@awertyuiop8711 3 жыл бұрын
But what if it gets forced induction?
@isaakwelch3451 3 жыл бұрын
The problem with a buick nailhead isn't small intake valves, its small exhaust. You flip the manifolds on a nailhead so the better breathing intakes become the exhaust, and then use forced induction to overcome the restrictive exhaust ports that are now your intake
@isaakwelch3451 3 жыл бұрын
@@TRC2002 thats the issue, porting nailheads is really tricky and its really easy to get it wrong
@PauloCosta-ji8kt 3 жыл бұрын
Thanks for sharing this video 💪
@appleseed7865 2 жыл бұрын
Awesome!!! Keep it coming! ❤️
@tudorcotoi7011 3 жыл бұрын
Starting my day the proper way.
@timothylanders3189 2 жыл бұрын
Very interesting Sir! Thank you ;)
@peterfenwick2540 3 жыл бұрын
Great video - much enjoyment my side.
@mattheweburns 2 жыл бұрын
Thanks for the videos, cheers!
@VisioRacer 2 жыл бұрын
My pleasure!
@Tintin4SA 3 жыл бұрын
Thanks for another interesting video
@beast0882 3 жыл бұрын
Awesome video!
@leoa6589 3 жыл бұрын
Love your work.
@brandnubian8269 3 жыл бұрын
Lowest HP cars to go 300 km/h
@gassyirishman2859 3 жыл бұрын
Thank you for returning to the old way of doing things
@branon6565 2 жыл бұрын
Weird timing for this topic for me, cuz my AMC 258cu 4.2L straight 6 is blowin oil thru the oil filler cap on top of the valve cover.... I just performed a compression test where I found the #' 1 & 3 cylinder are at 122psi, the other four cylinders are at 138psi...so now I'm pulling the motor to have the internals reman'd...ain't that a b***h....great vid here bro, your production is outstanding....🤘🏻🇺🇸
@1toonhead 3 жыл бұрын
What a cool selection of engines.
@awelotryhard5442 2 жыл бұрын
Buen video caballero, le agradezco.
@LittleTankDestroyaz 3 жыл бұрын
Nice video!! Lanz Bulldog also has a pretty low compression ratio
@chuckthebull 3 жыл бұрын
Im building a 1931 Flathead Harley engine...Im very excited about it..thanks for an informative video
@Poppy323F 2 жыл бұрын
Some truly awesome engineering
@mafcawebmaster4237 3 жыл бұрын
Nice job!
@tabsvlog9871 3 жыл бұрын
Im a simple man i see visio racer upload a new video i click
@jimmyguy428 3 жыл бұрын
LOL! Same here!
@davenhla 2 жыл бұрын
Most engine design choices are based on fuel available at it's time. As we learned to refine oil more efficiently, it has required changes to design. Personally, I think the best fuel and optimized engines were in the early 60's. To the general public I mean. Fuel during WW2 was researched extensively, mostly for aircraft but other engines were designed like the infamous "this truck can run on aftershave" type of thing. Many farm tractors in the 30's were designed with a ratio of 6 or less. This was because deisel was not popular yet, and farmers wanted something that was dirt cheap and would keep and still work after winter. So they made "tractor fuel" and designed tractors to be able to use it. Some of it was so bad they had mini tanks for regular gas to get the engine started and then it could be switched over. There is ads/videos from Oliver about how they experimented in the 60's with high compression gas engines. Allis Chalmers made a fuel cell tractor. I love engines and mechanicals. It's important to understand the fuels for them as part of understanding the designs.
@mrdanforth3744 3 жыл бұрын
Lowest quality fuels, and lowest compression ratios, at least in the US, were in the period 1908 - 1920. At that time compression ratios of 4.5:1 were common, many makes of cars lowered their compression and the long stroke engine became popular for the first time. Previously a bore and stroke of 4 X 4 1/4" was common, later the long stroke 3X5" was used to accommodate the slow burning fuels. In the twenties fuels slowly improved, as the cracking process allowed making low grade fuel into higher grade fuel, the addition of tetra ethyl lead increased octane ratings, and the Ricardo combustion chamber allowed higher compression. Compression ratios slowly climbed above 5:1 and to around 6.5:1 by 1940.
@lawnmowerdude 2 жыл бұрын
My favorite video so far.
@douglasaustin8714 Жыл бұрын
Thank you for your research ect.
@MrKeys57 3 жыл бұрын
Thanks for interesting video! Greetings, Levi in sweden
@adityaceo 3 жыл бұрын
Great 👌 I am big fan of big old engines
@mrh1096 3 жыл бұрын
What do you do for a living visioracer? Something car related? Because you have a lot of knowledge
@VisioRacer 3 жыл бұрын
Hello, to be honest, this is my full time job for last years. There are some things I do beside, but the majority comes from this channel. It’s been my living, my passion, my teacher of all the knowledge I have, the knowledge I share with you. Believe me - most of the things I learn just a few days before you do (during the video production). Supporting comments drive me to keep pushing and not stopping
@DanCooz323 3 жыл бұрын
@@VisioRacer Keep 'em coming! Every time I see you put out a video, I HAVE to click it!
@apancher 3 жыл бұрын
@@VisioRacer you do it very well, man! I've loved your channel for a few years now.
@SuperWesty177 2 жыл бұрын
@@VisioRacer keep up the good work bro! Been watching for years now
@paulsto6516 3 жыл бұрын
Thanks for the eye candy, and ear candy!
@ObnoxiusBrat 3 жыл бұрын
Now please make a video about highest compression
@Chris-adams-rc-journey 3 жыл бұрын
I enjoy you channel very much. Another commenter mentioned a weakest v8 list. I also think that would be interesting. American cars from the mid to late 1970s are a good place to find some. Cheers
@VisioRacer 3 жыл бұрын
Most definitely! Thanks
@ThePaulv12 Жыл бұрын
I don't care if that Tatra V8 had a 1:1 compression ratio - I WANT ONE! What a stunningly stylish looking vehicle.
@malibaturhan 2 жыл бұрын
I'm one of the earlier subscriber of your channel (was like 10k I think) and really like the way you search and present. why don't you make some technical videos too, not like internal combustion engine but like how a thermosyphon cooling works (I know there should be plenty of resource about it but I like the way you do)
@sahalin12345 3 жыл бұрын
Tak, Sokół 1000, piękna sprawa, szkoda że tak mało ich zostało.
@GoingtoHecq 2 жыл бұрын
I really like these cars. Definitely an interesting perspective on cars because these are not the performance vehicles we normally look at. I like the aerodynamic car.
@carllinden533 2 жыл бұрын
How do you research all of these things!? Very impressive as always, I love all of the videos :)
@gtjoey63 3 жыл бұрын
Nice video. Just a quick note; the Ford Flathead was introduced in 1932, not '34, and, in the US market, anyways, hung around until 1953, not '55. The Ford Y-block overhead valve V8 was introduced in 1954 to replace the flathead.
@myass5964 3 жыл бұрын
Can you do a highest horsepower 125cc single cylinder 4strokes? I thought you had a video, and you have close ones but nothing excatly like I'm looking for
@TheThunderwars 3 жыл бұрын
It's been a long time since 125ccs have been caped to 15hp due to specific licenses. For 4 strokes 125, the Honda CB125 twin ranged from 16.5 to 17bhp, which is a record for a production bike if I'm not mistaken.
@myass5964 3 жыл бұрын
Thank you I was curious about the most HP. You can make, I'm guessing it's no more than 27hp@14krpm max, I'm building a 125cc bored to 140cc and I'm trying to see what other people have gotten there numbers to
@TheThunderwars 3 жыл бұрын
@@myass5964 Well, if you custom build everything, Honda made a 125cc 5 cylinder with a mere 25mm stroke. It made 34bhp at 20.500 rpm. It would barely idle at 17.000 rpm. Not something you would want to drive.
@myass5964 3 жыл бұрын
@@TheThunderwars dude thank you, I didn't know that but you definitely answered my question! Your awesome man!
@myass5964 3 жыл бұрын
@Alfred Wedmore thanks but I specified 4 strokes, and I've already seen a 35hp 125 2 stroke so 17 isn't a lot, my 140cc 4 stroke almost has that now. Also the thing about gears didn't make sense, if your talking about the motor thunder wars is then yes you would want a lot of gears
@thomasrowell6569 3 жыл бұрын
This was a really cool subject
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