This TINY Nissan Engine is More Powerful Than Your Car!

Nissan revealed an engine in 2013 that blew all of our minds. It was tiny, and weighed just 40kg, but created 400bhp. The DIGT-R engine could have changed the world, but it disappeared almost as quickly has it came into this world. So what happened to it?!

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#nismo #engine #engineering

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00:00 Nissan's insane 40kg engine
03:23 Why this engine's stats are amazing
05:26 The crazy dimensions of the engine
05:49 What was the 40kg engine used for?
07:57 Nissan's Top Gear lap time
08:50 Why this engine is powerful, but not simple
10:04 What happened to the engine?
13:44 An alternative engine that you can buy

[slartibartfast]

4:15 it is worth noting that the often quoted (and unofficial) "1250-1500bhp" that grows every time it is mentioned was only possible for one hot lap before wrecking the engine. Race output was more in the 900bhp range.

[TheCynicalJedi]

It's such a shame that Nissan didn't put a chilled out 150-200bhp version into production, would have made for an amazing platform and being so small you'd be able to swap it into almost anything if you can custom fab some engine mounts

Also _Diglett dig, Diglett dig, Trio Trio Trio_

[UltiMogr]

Why do the Brits measure capacity in liters, weight in kilograms but torque in pound and feet???

[spudgunn]

"How did that work?" I should imagine without 500 mile service intervals, and regular rebuilds, quite briefly!! Lol

[leoac]

9:00 An engine is not pre-heated to "maximize lubrication".

A racing engine is pre-heated so that clearances and other dimensions are within design tolerances. When the engine is cold, due to negative thermal expansion some parts will be out of design specs. Even systems which do not require any lubricants may need to be run only at operating temps for clearance reasons.

[danowens]

Suzuki Hayabusa Says " hold my beer" and hand me a turbocharger. It might be heavier but it's because transmission is integrated into it.

[elk]

it's truly incredible how candid Darren is. A really incredible peek behind the curtain in an industry where that level of transparency is, like he alludes to, often met with crazy litigation haha. What a great opportunity to interview him!

[jens-erik]

Koenigsegg`s Tiny Friendly Giant Engine, Twin Turbo Freevalve 3-cylinder is 600 hp and 70 kg / 154.3 lb 🤩

[ethanmonat]

This video just seemed a bit confused, I never got what point it was presenting or what cool and interesting thing we were being shown.

"Here is this high power-per-weight engine. A turbo 3-cyl making 400 HP and weighing in at 40 kg/88 lb. PS: it's a race engine and was never available to the public."

I can think of another fairly light-weight three cyl that makes ridiculous power for its weight. The G16E-GTS from the GR Toyota models, which is a 1.6L 3-cyl making 300 HP in street trim, and capable of over 450 HP when custom tuned. Which is available to the regular consumer, and can be bought as a crate engine.

"Here's an alternative high power-per-ton engine. It's also for racing use only and not yet available despite being in development for over a year and a half."

At this point you might as well point out the JFC Racing Monobloc v8, which comes in two flavors, a twin-turbo 2.8L weighing under 300 lbs with the turbos, intake, and headers and producing 765 hp; and a naturally-aspirated 3.2L weighing in at 200 lbs with an output of 460 hp. Or any of Judd's offerings, or any of the half-dozen or so other motorcycle-derived engine variants made by various boutique engine manufacturers. Each of which will set you back the cost of a very nicely equipped sports car.

[wilgarcia]

That engine NEEDS to be in a Caterham. =D

[patricsteele]

This video reminded me of the small output V10 you all planned to put in the Miata. Any new updates on that?

[siraff]

Well apart from that weight being dry and without any of the ancilliaries such as that massive turbo and intercooler which it had to have to make the power (so in practice it was nowhere near 40kg), its also a one off billet race engine which not only costs a fortune but can also be designed to run on race fuel and not worry about any emissions regs.
The reason we don't see things like that in road cars is because if you want 400hp something like a 2.0T 4 cylinder adds a relatively insignificant amount of weight over a 3-pot with the usual cast parts, is in a lower state of tuen so easier to get through emissions and longevity testing and doesn't need to be made of unobtanium to deal with it.
When its in a car thats over 1.5t in the first place an extra 50kg for ease of manufacturing, cost, longevity, economy, emissions and all the rest is the obvious trade off.
Oh and on normal fuel its not making 400hp unless its also making a lot of heat. More like low-mid 300's at best. This is why the Yaris GR engine is getting close to its limits too - 280hp is great but its also only about 50hp away from being right on the edge on road fuel and with road emissions equipment.

[Andreas_B.]

Nissan did the same on NA Engines. The SR16VE N1 was used in the limited-production Pulsar VZ-R N1, produced from 1997 to 1998. These cars were tuned by Autech Japan. It made 200 PS (197 hp; 147 kW) at 7800 rpm and 134 lb⋅ft (182 N⋅m) at 7600 rpm. Redline of the N1 Version 2 (1998) is at 8600 rpm. This is also claimed to be the most powerful production 1.6 L naturally aspirated engine.

[JohnnyHammersticks-bmwz]

Great video. Keep making these deep dives.

[rolfknappmann]

Koenigsegg finally found a worthy opponent

[juffurey]

This is so cool I don't know how I didn't learn about this engine when reading about the delta wing. Another awesome little engine is the 3 cyl 1.0L ecoboost in the Formula Ford, I just remember that Chris Harris was blown away by it.

[stevemichael]

I wasn't surprised to hear that photo was a fake - 40kg may be super-light for an engine but it's still 40kg :) Having said that, if you'd like to put one in the post for my MX-5 I'd be eternally grateful :D

[squishygothdude]

Sounds like it could be a great aircraft engine!

[BIBIWCICC]

The lighter and smaller the quicker they go pop! We are seeing that in all engines across all manufacturers.

[apsb]

It is a dry sump, not an issue with preheating. you can install a heating blanket to bottle.