What Is The Greatest Engine Design Advancement In The 21st Century?

[@SpiritintheSky.]

Yet another absorbing video from Ken Cameron. His videos are not to be missed.

[@Xsheaffer]

These videos are astoundingly good. Thanks Kevin and CW.

[@howlinhog]

I know this isn't technically the answer, but, as a professional tech of over 45 years, I was able to personally watch the affects from carbureted to injected. Engines went from under 100,000-mile expected life to 300,000. For two examples, in the early eighties I saw the 2.5-liter GM engine and in 1985 the Buick 3.8-liter engine skyrocket to consistent high mileage numbers. Precision fuel delivery is in my opinion the greatest thing to happen to every manufacturer's engines.

[@bmccameron7642]

I'm a qualified mechanic with decades experience and I've learned more technical detail from this channel than I did in the trade...great work Kevin!

[@jimperry4420]

And the way these engines hold up with such high compression and high revs.... Amazing!

[@GorVala]

Kevin is a real OG, much appreciated for sharing.

[@zerosensai]

Fantastically interesting and informative video as always, Kevin. Thank you.

[@stevebeutelspacher1157]

I learned something today. Thank you Kevin.

[@jerrysolari1530]

I followed Kevin in the cycle days always very interesting

[@raphael0616]

Thank you for sharing your wisdom.

[@GorVala]

Awsome video, thank you. Always love to watch his stuff.

[@ccrider8483]

4:52 Kevin said "sand casting", not saying he is wrong, but I assumed most modern castings of this type were die cast.

[@daveyt4802]

Excellent as usual.

[@donaldhipple4921]

When I first got into the motorcycle business in 1972 engine castings were thick and heavy. Even though they were subject to porosity. Oil would leak right through even though they were ball bearing everything and maximum oil pressure was 7 psi at maximum.

[@cjmeistervideos]

ahhh.. the wisdom

[@UncleWally3]

I’m probably wrong but weren’t lightweight castings developed slightly prior to the 21st century? Quibbles aside, had I not stumbled upon this video, the idea of lightweight castings being a significant breakthrough would have been invisible to me. So thanks . . . and which leads me to my real question: What is the status of composite castings (carbon fiber) like those being developed by Holtzberg, of Composite Castings in Palm Beach, Florida?

[@hemantv.5409]

I have Interceptor-650,the wait is around 208 kg but feels quite heavy, what is the reason..? Can we do something .? On the other hand Harley Davidson Street is beaver then Interceptor but it doesn't feel like heavy.

[@billshiff2060]

Center of gravity.

[@cryalowicki]

Correct me if I'm wrong, but aren't valve covers stamped?

[@stunna1050]

Cory Yalowicki Cast

[@denisrailey777]

Used to be metal stamp but not now with weight saving & heat dispersion.

[@stevemackelprang8472]

are these thinner sections more brittle?

[@fivespeed3026]

Steve Mackelprang That’s pretty much the entire purpose of the video. He clearly stated that the thinner castings are stronger than the older, thicker ones.

[@billshiff2060]

No the alloy and heat treatment determines that not the thickness. With fewer defects you can assume that it is less brittle with few places for cracks to start.

[@petergriffin4629]

I'd disagree, yes the better castings are immensely important, but the greatest development has to be digital engine management. Better castings, better tolerances, those are all continues processes. But ECU really changed the game.

[@mohba01]

without the hardware to push it in electronics is almost impossible.

[@petergriffin4629]

@@mohba01 I do not understand what you are trying to say

[@petergriffin4629]

@Analog Human I don't get the point.

[@angelocardoc]

I agree with Peter Griffin Engine management is way faster and has more precise fueling. Not to mention better ABS, Wheelie control, Traction control etc.

[@kiryllis5823]

Didn't ECU first appear in 20th century?

[@knuckles-3386]

I had two cb750s a 69 and a 71 the 69 was probably the fastest bike I’ve ever owned and it had sand cast cases the 71 was die cast and was more reliable put almost 100000 miles on it should have never sold it

[@upsidedowndog1256]

QUITE the achievement indeed!

[@787brx8]

I would say the greatest advancement in engine design is my anti-knock prototype. With it, I can advance ignition timing to the optimum setting. I put lower quality instructions in my video comment section that can be used on lawnmowers or generators. For testing purposes only! Use at your own risk! 0.2 of A U.S. gallon of gasoline will run my modified lawnmower for about 4 hours. Briggs and Stratton 300 series...

[@joshash5944]

Yoda speaks..

[@browngreen933]

The next "advancement" will be plastic engine parts.