Latest F1 Engine technology finally makes it to mainstream production vehicles?

billbillw
billbillw Posts: 7,754
edited March 20 in The Clubhouse
I came across something interesting today. F1 has been coming up with innovative new engine technologies for as long as the sport has existed. In the previous major engine change (2014) when they dropped the V8 for a V6 Hybrid setup, a new ignition technology was introduced. This was the turbulent jet/pre-chamber ignition. That came with a host of other hybrid technologies as well, but for the internal combustion engine, this really improved efficiency and power from the smaller 1.6L engines.
Well, now it has finally made it to production engines...from Stellantis/Jeep of all companies. Yes, shocking, I know. The new Hurricane 4 that is coming out has this turbulent jet system along with a variable geometry turbo that will push 324HP/332lb-ft from a 2.0L engine. Pretty impressive. I would probably be hesitant to buy one until reliability is proven, but it is a step forward IMO.
Here is a video from my favorite engine nerd on YouTube: https://www.youtube.com/watch?v=uSu03pRilFo
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Comments

  • F1nut
    F1nut Posts: 51,965
    Impressive!
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  • heiney9
    heiney9 Posts: 25,496
    The Germans have been working with/on variable geometry turbo's as well as electric (hybrid turbos) for along time VTG is found on 2006 911 turbo and Audi has been using it on their performance cars too. Borg Warner has been a big innovator.

    It's amazing how far high performance, small displacement engines have come and F1 is amongst the reasons why

    H9
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  • billbillw
    billbillw Posts: 7,754
    To be clear, the technology that I was referring to is the turbulent jet ignition. I know variable geometry turbos have been around for quite some time in production vehicles, especially diesels.
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  • heiney9
    heiney9 Posts: 25,496
    Ok, wasn't trying to school you, just a conversation. :#
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • billbillw
    billbillw Posts: 7,754
    edited March 20
    I didn't think you were trying to school me, I was just trying to focus more on the turbulent jet making its way into production. Achieving 40% thermal efficiency is amazing for a gasoline engine.
    I do have concerns about longevity of that design. The pre-chamber appears to be a different metal piece which is probably press fitted into the head. Will that last 150,000 miles, or will it work loose and destroy the engine?
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  • nooshinjohn
    nooshinjohn Posts: 25,991
    The reason things move slowly towards production is that reliability has to be factored in. An F1 engine is high revving and very highly stressed in ways a normal car/truck engine is not, but it is also not asked to go 150k miles before being rebuilt. What I could see is having to change them at perhaps 30k intervals as part of routine maintenance, and at a cost far greater than a conventional spark plug and injector service.
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  • Emlyn
    Emlyn Posts: 4,814
    It's in the 2026 Grand Cherokee

    https://www.youtube.com/watch?v=MaQhEWZXOIE
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