Sick video thanks for the shoutout dad 💪🤘

Where's Jackstand & his bottle of spoolmaster 9000 when you need him 😂

Can Steve Morris build a 2 step dynoemulator? Keep sending it, Steve. Your the best.

Thanks Steve for putting out awesome videos not many engin builders will go in depth to show how to do things and even when you have problems you still show the world it goes to show what a great and honest engin builder u are 🇺🇸🇺🇸

The fact that you have the facilities to film that intro is pretty frikin' cool.

If ever there was a race car engine candidate for a Switchblade turbo charger upgrade… here it is. Steve I doubt you’ll even read this but if you do please look up Blaylock turbo chargers in Baxter Springs Ks. My friend Jim Blaylock patented a turbo charger modification for just this sort of issue. And they are making great strides in this design. It uses a simple mechanical mechanism fed off of boost that changes the internal volume inside the turbo charger turbine housing to act like a smaller turbo charger at lower RPM to spool quickly & then as boost increases, it opens up to flow more.

18:25 It's the Dewey decibel system!

The SMX showdown/ blower vs turbo, I personally like blowers! You are the man Steve!

Compound turbo! That turbo is so big that you've introduced turbo lag on an SMX. Which is not something I ever thought I'd say or thing was possible.

I like the rag over the wastegate outlet. Reminds me of when I was walking thru the MAZDA engine plant in Hiroshima Japan. This was in the mid-1980s. There were little kids’ toy pinwheels mounted on the backs of the computer controllers that ran the machining line. I asked the Mazda engineer I was working with what was up with the pinwheels. He said they were mounted behind the computer cooling fans. If the pinwheel was spinning the fan was working. If not, a passing employee would notify the millwrights that a repair team was needed. At Ford’s (& probably all other American engine plants) plants there was an electronic monitor on each machine. Cost comparison: 5 cents for.the pinwheel vs probably $50 for the electronic babysitter. Good on ya, Steve!

Man I love these videos. As someone with a love of big horsepower, but neither the space nor the money to build something myself, SME is like hanging out in your buddy's garage while he works. Brilliant.

I'm a supercharger guy myself. I don't have one, but If I were to get back into racing, my ride would be supercharged for sure.

i got news for ya, doesnt matter how big of rod you can stick in an engine, mcfarland tuning and crew will destroy it.

So what did we all learn here today? Blowers=Cheat code Turbo=Incremental complexity

Don't toss that charge pipe, "give" it to me with your and Kyle's autographs so I can put it in my garage. My friends will be blown away!

Supercharger= near instant power. Turbo= Turbo lag, but a little more potential.

Hello Mr M I am 56 years old I been a auto tech now for 35 years .I love your channel. I have a idea for a cylinder head that will run with no valve springs.unlimited rpm and just the average guy can buy the heads at Walmart for 500.00 a set.but I need a guy like u to help us make a few million in the process

Love it! Dewey just chillin on the couch!!! What a dog!

At the 56 minute mark you mulling over egate. If you want to improve boost response and get turbo spinning quickly, you need to cut the flow of air going into turbo inlet. Even bleeding off boost won't help. A vacuum cleaner screams when you block it. The noise you hear is the extra rpm it's doing because it's not able to grab air and move it. The turbo is the same. As it moves air it needs input from exhaust wheel to drive it. Air has mass and needs energy to move it. Kill the clean air getting to it, and it can't absorb energy by moving that air. It can, therefore, speed up more for the same exhaust flowing thru engine. Once you have it to the desired turbo rpm then let it eat air. It's counterintuitive.

I think that Professor Steve Morris will figure all this out eventually because he has to know. Thanks for taking us along on your journey. That Dyno and software is hiding the "rest of the story".

You can always tell when Steve is very deep in thought because he only says half sentences 😂

RALLY STYLE ANTI-LAG SETUP ON A BIG v8 NEXT FROM STEVE MORRIS ENGINES!

I remember I think it was Stavtech on here and IG shared some rally tech where they take an additional throttle body and mount it in front of the turbo to create a vacuum within the compressor. Same concept of the wastegate just further pressure reduction into vacuum. Like how a vacuum cleaner speeds up when you block the inlet.

You should use a "Spool Valve" from "Boost on Tap" in Australia. That get spooling quicker!

The blade design on the supercharger is critical to move air Dependent on the design parameters you design the turbine blades to move "x" volume of air at "y" rpm under "z" ambient pressure Taking rpm "y" *1,6 does not necessarily equate to volume "x" *1,6 at same ambient, it may only be "x"*1,35 etc So the sweet spot has a +- percentage tolerance of say "y" +10% overdriven or "y" -5% and that would be your efficiency range. By simply speeding up your blower does not necessarily equate a 1:1 correlation in speed increase and boost/volume efficiency. You may be getting a 1:0,8 ratio and generate a lot more heat doing it

Thank you for sharing your experiences and knowledge

I'm pushing 60 years old and have been making my living as mechanic and shop owner since teenager. Been active drag racer and dabbled in other motor sports. I've been hard core old school and still competitive some what. You have really helped me learn and understand how it works and tune with more than my screw drivers, timing light, and reading plugs. Really enjoy your real deal the way it is. I've had some great combinations and way more not so great. Some I should have lit a stack of cash on fire to save time.

Wow, that is so much technical stuff that I have a headache! That was a lot of knowledge Steve. Thanks.

Engine air temperature is critical to making power. Gale Banks talks about it a lot with his boosted applications. I did not see air temps as part of the data set, so it might be smart to monitor the charge air temp for a clearer picture of what is happening.

Since before WWII it has been known that turbochargers are able to recover waste energy from the exhaust stream, and so can somewhat more efficiently drive a turbocharger. Certainly a supercharger can have better throttle response, but for a given amount of power they require a more robust bottom end since the power to drive one comes directly as a load on the crank. Tradeoffs.

The reason the turbo spools suddenly is because of the air pressure in the hot side (exhaust) not being high enough to force itself through the blades of the turbo. This results in little to no flow through the hot side (as pressure increases heat also builds more quickly) until enough pressure is achieved to begin flowing air through the hot side instead of building up pressure against it. Ways I can think of to mitigate this is having smaller runners to the hot side (so less volume of air is required to build enough pressure), making sure the turbo shaft spins as freely as possible, different turbo blade geometry, waste gate/bypass/dump/other valves on both sides of turbo, anti-lag systems, electric motors spinning the turbo (as demonstrated by one of the latest Porsche engines), etc. all of which may compromise certain areas of performance. ...But that's all just to say air bouncing off a fan doesn't spin it until that air begins to flow through the fan, if that makes sense, that's why the turbo lags the way it does. It's all about optimizing the turbo speed to hot side pressure ratio to minimize lag.

That turbo motor that you're doing is doing the same thing My LS motor did on our airboat no power no power all the sudden white ass open!

That massive turbo needs a jet/rocket anti lag system. That way you can control the amount of boost you want off the line then depending on how much fuel you put into the anti lag you can control the rate that the boost climbs. I am really surprised more teams haven't implemented such systems. Unless the class has outlawed it.

I want to say I saw the video on eagles new motor from cleetus and I think it’s awesome to see the difference in a monster street car motor such as the smx and the proline hemi for essentially a pro mod track car and how they differ I want to say props to you and the job that you do to make a motor so powerful for the street and the engineering behind it

I wish I could see the reaction of Jean Pierre Kraemer @JP Performance GmbH Dortmund Germany at 8:54 when Steve talks about a "street car" engine 😂😂😂

I mean the centrifugal supercharger is nearly identical in concept to a turbo. Not to get off track here, but interested in how a roots or screw would differ as well.

idea: quad charged setup with a crank mount procharger, twin turbos and a roots blower. it will last exactly 1 pass but hey it will be glorious

Interesting to note. As Always, May God Bless you and yours! 😇

Ive seen guys send fuel and set spark on a couple cylinders to fire in the exhaust to spool the turbo up higher at lower rpm. I believe and have seen this hurt turbos and shorten lifespan and Gotta be good at sequential fuel and spark control to make sure its not too big of a boom but it will spool quicker. Idk how well it would work on such a large turbo but higher rpm the more pressure overlap in the exhaust from standard booms and booms in the exhaust, take that as you will. Timing is fun. Basically antilag but for building boost not maintaining.

Another SM video. Jus what I needed todays has been rough

You might find this info interesting ! It's called Rocket turbo anti lag ,there's a patent on it , it keeps your turbo spooled at low engine speeds , was used on Subaru rallye cars years ago , could possibly use on race cars

I really hope I get to meet you someday and shake your hand. You are asking the questions and experimenting all the things I think about. I’ve never heard anyone try to explain freewheeling a supercharger is bad. The stacking of atmospheric pressure in front of the blower is the cushion that prevents damage. Not a lot of people know this. But they know you need to have a harmonic balancer on the crank!

Great comparison. Procharger simple , repeatable, reliable. Turbo, not so much!!!!

That engine + a Haltech system would be fire

I enjoy when you are going through your brain to figure issues out. I always talk myself through things to figure them out.

The turbo motor spooling waste-gate worked just like a fighter jet engine! It bleeds air for acceleration. The only additional thing for jet engines is that it prevents engine compressor stalls.

Life where money (or not the lack of) doesn't hold you back... just building what ever you can imagine! Nice......

Love yalls team work !

Put the e-gate on the 2-step/trans-brake button, no drive pressure when you hold it and snaps shut for launch on release

Prochargers are rampid in NoPrepKings due to the fact it is easier to tune and faster reaction that is right there with the Blower combos. Turbos are hard to tune but, once they are tuned they are hard to beat. Spell check in KZfaq not that great... I meant rampant... thanx for the spell check lol.

144mm turbo? Almost a pratt and whitney turbine now

It's great that you tell us EXACTLY what set-ups you're using on each different engine combo. Now my boy's and I will have to subscribe to Kyle's channel 😅😂

Turbo or Blower, it all depends on the application, how the engine was made, what parts it has and everything that belongs to the tuning of the engines all counts some cases blower its better combo and some case turbo all depends what you gonna do with it are it straith line track car or driffter.

The turbo is loaded by the mass of air it has to move, not the pressure. By adding that blow-off valve, you are actually loading the turbo more by making it flow more air. Increasing the hot side air flow is what you should be focusing on to spool it faster. It looks like this turbo is just too big to operate on this engine below 6 or 7k rpm. You might want to look at the surge line of the turbo vs the actual air flow of the engine at lower rpm

I always thought they had there pros and cons for each. Good information. Personally I have always been partial to roots blowers. I have friends that worked at Roots blowers in Indiana.

How did cleetus not know SMX was a dry deck and that the head could come off without removing the intake 🤷‍♂? cool vid wish the turbo would have cooperated

SMX in England…righteous!

Make an input on a table that will pull timing starting at 5000 rpm and go to -20 by 5200 rpm, this will act like a rev limiter but be butter smooth and it will spool the turbo with no engine load, let it go once you hit the boost you want

Very cool comparison. Loved it.

The difference between a great big turbo and a great big supercharger is that Superchargers are awesome, but turbos are a pain in the ass. Ditch the turbo and enjoy racing!

The turbo will make more power, but the blower will be more controllable.

I would kill for a chance to work under Steve Morris. Probably even do it for free. Lol. Even if its just sweeping floors.

Excellent video Steve, love how you explain everything.

Awsome trying the pressure side dump

That’s why I love watching your videos over others, waaAAA! vs WWWaaaaaaaaa!!! Steve Morris shop talk-Friggin Cool!

I have been fascinated waiting to see how this turned out!

Drag and drive car in England? We have 1 drag strip at Santa Pod. 🤣 I guess he’s going to drive it there and drive home?

What if you just took the blower gears (procharger) out of the housing all together, removed the charge pipe & call that your street tune. Once at the track, replace the gears, boost pipe, flash race tune into it & call it good. Seems like a lot of work to convert from street to strip, but you already have to do that with lower ratio gears anyway. This would be a lot easier with a belt driven procharger. By removing all boost and going NA on the street, a much cheaper fuel could be used.

Steve, I think a bunch of people would appreciate a little explanation on the Devel Sixteen development. Have you signed an NDA? What happened to the cars progress, the company, the engine, etc. I believe a lot of people would like to know.

Variable vane turbo to grab more air down low and a little less after you get off the line a little some thing you can work on. They do it with airplane props as a for example. Looking forward to see your brain work on that one. Good luck!

Lean of Peak EGT mixture - do any tuners switch to that when a fuel limitation is reached? It seems like that could be a safe strategy to avoid peak temperature and pressure scenarios which could damage parts.. That might be a better alternative than just running into the red when there’s a problem. It assumes that the mixture of individual combustion events could be controlled by injector duty cycle, which I think is true, but might need to be checked out. Controllers might need some control logic. A related approach would be for the controller to start cutting duty cycle on some cylinders while increasing it on other cylinders. The reduction on some cylinders would result in more fuel being available for other cylinders. Main point is that lean mixture may only be dangerous to components when it results in peak EGT. And EGT drops once the mixture is continued to be leaned. And, lean mixture doesn’t necessarily result in misfire within a safe range of mixtures - so long as the spark is hot and provides enough chamber coverage.

Love the constant sound of $$$ Money in the background of these videos :)

Steve needs to go up north for a quiet weekend no cell service and relax for a weekend unwind and recoup and reboot hit some trails see the lakes pictured rocks lakeshore is nice 👍

Steve your channel is one of the best when it comes to feeding my engineering mind in this arena. Awesome vids ty. 🤙

The turbine housing on that turbo is massive so its lazy down low but crazy power up top once its spooled up

I like the turbo wastegate idea. That is more learning for me!

Adding a check valve, Tee and a higher flow pump. I bet someone in the audience knows enough about micro processors to have it be electronically controlled between the relationship of dyno inlet valve position vs water out , the cavitation caused should be readable on the outlet side (press/flow)

Solution for the turbo motor: Converter Dyno lol, thanks for the video I'm still learning.

SME Just Blinded me with SCIENCE

Good luck with the new channel !

The best power adder comparison video on KZfaq!!!! Great 👍

damn, 80 minutes. steve on here makin feature length films

Great content Steve!!! 👍🇺🇸👍🇺🇸👍🇺🇸

On your big single charger setup. Can you get your dyno to pull the motor from top to down. Higher rpms will get the turbo spinning faster and light easier and more consistent.

Great information as always!

would be worth while having a gearbox and a few converters (for diffrent applications) that way you could simulate a more real world situation to aid in developing diffrent strategies to overcome such issues as turbo cars not being able to build boost on the line (ive seen test sessions here in AUS were every car failed to build boost on the line). same with being able to control temp and humidity basically set your DA in the dyno rooms for the same application???

Big turbos always suck at lower rpms, they don't get enough gas velocity to work over a wide range...☹ Twins of a smaller size can help if sized correctly and with oem cars variable geometry makes huge differences to driveability, my 2.2 litre Ford diesel makes over 330 lbs/ft at 1500 rpm with minimal turbo lag, with a variable geometry turbo that has done 201K miles without any repairs required...

If you can use the dyno to hold the engine at launch rpm with the throttle wide open while pulling timing to build boost then start the pull maybe it would work?edit: nevermind i just heard the explanation lol

I caught where you were feeding the trolls when talking about the rods on cleets smx lol. Keep up the good work

Great content thanks for sharing

So cool you can build these motors and hand it to someone .With the gear ratio, track is different but you got them in the ball park to make it work. Facts don't lie and you have no reason to change the facts. That would be like lieing to yourself You Sir have taken this ICE to it's max. Much Respect. Street engines should not be able to do what you make them do.

You could also do what the Honda guys do.. a NOS bottle to help with the spool

Aside form the parasitic loss, here's also heat. And at some point with the impellor speed, it will also start to stall thus run out of air like the turbo compressor does.

This video was great, the comparison... was good to see the idea of it all.

In an earlier video, you made the point that when you run a blower/turbo straight into the atmosphere that is actually has to work harder since there is a constant 14.7psi to push against as opposed to the vacuum created by the descending pistons. I don't know of that's true or not, but it stuck me at the time as very interesting.

Procharger>Turbo. Yes, I know....max peak HP with a turbo before you get your panties in a crunch. Regardless, as Steve mentioned, consistancy, reliability, tunability, and many other reasons why Prochargers are better to work with when you are ACTUALLY racing at the track.

thanks for sharing steve

Don’t forget to rebuild it. Put the daily driver tune on it

Maybe the turbo needs the ram air effect also like when it's in a car thats in motion. idk its just a guess.

Cleetus will choose turbo . Turbo is the way to go.