We MAXED out the TURBO and Fuel Injectors on street pulls!

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[@JoeSEED]

Besides a lathe, you really should get a granite table and a height stand for measurements as that is the best way to check for flatness and thickness. That way you can much more precisely file your rotors...

[@i-_-am-_-g1467]

This.

[@heygek2769]

I agree, having the right tools makes every job infinitely easier and the results better. Honestly maybe they should get some consultation from people who really know about that stuff. Anyone who has managed equipment and workspaces in a reputable machineshop making precision parts with tight tolerances. They will often know what to invest in and what you can 'skimp' on, depending on the application and needs. And then there is engine diagnostic equipment, being able to tell what is going on while an engine is running, vibration, when and where combustion happens inside the chamber. I know a lot can be done nowadays with sensors and infrared cameras. Though it may be best to outsource this.

[@aserta]

100% Agreed. There's a bunch of places that sell science grade tops for cheap as labs decommission them. Slabs that could crush a Smart car. For Rob's work, that'd be more than sufficient and honestly, a surfacer can come over an surface it/check it if it feels off and it doesn't cost an arm and a leg either.

[@erikrapoport7318]

Honestly, i have had good luck with remnant granite from the local counter top stores. They're flat enough for what i do, better than a workbench or a piece of milled aluminum.

[@jimmyboe25]

I bet Jestin @smartereveryday’s dad would know what kind of setup he would need to get the accurate instruments. He worked on JWST measuring stuff.

[@NomisChild1]

Love that Bisi is giving you the opportunity to use his dyno. Two legit mad scientists collaborating.

[@jonahfastre]

Hey Rob, I have a little story you might enjoy, a friend of mine worked for the Ford test facility in Belgium, when de Focus RS was in development, they had a 2 ROTOR turbo prototype focus RS, my friend told me it was an insane car to drive, he really liked it’s power train, but due to it being not so mainstream, Ford decided against it. And that’s how we almost had a Ford Rotary Focus RS Edit: I’m talking about the MK3

[@prxfade1410]

My question is did they develop their own rotary engine or take Mazdas original wankel engine and use that? Very interesting to hear otherwise

[@R3IMU]

Which gen Focus RS are we talking about?

[@jonahfastre]

@@R3IMU mk3

[@jonahfastre]

@@prxfade1410 I think it was a Mazda block, but Ford did all the Turbo/exhaust/intake/fuel infection/etc

[@cediB01]

Dont give rob ideas 😂 we already have to many projects

[@zachclarke2798]

Hi Rob, just a tip. Your tightening tolerances on the dowels might be down to tool wear. If your working to micron accuracy you will get wear and tapering of the reamer from the tip of the tool doing most of the work. In the R&D machine shop I'm in, we use carbide reamers for 1/2 jobs depending on the accuracy of that. A Zeus book might help you with your limits and fits, if you are going into this a bit more maybe a go/no-go gauge, you will be able to specify specifications of this for your application but bare in mind these also wear. Just a food for thought. Great videos and you're not doing if your not learning! I pick things up every day 👍

[@benholmquist1148]

I was wondering the same thing when he said the wholes were getting smaller - sounds like drillbits are getting smaller lol

[@claudedottin1312]

Oh nice I love this comment section. I be learning alot

[@eriklarson9137]

I was so surprised that you have zero engine building videos on your channel.

[@zachclarke2798]

@@eriklarson9137 this isn't my main account for KZbin, and my other account does 😊

[@802Garage]

@@zachclarke2798 What account is that? Haha.

[@caiobortoletto4363]

Rob Dahm: Spends an entire section of a video on why its so hard to drill a hole precisely a certain size for his engine also Rob Dahm: Im just gonna hit the rotor with a mallet

[@robboss1839]

I love his balance of precision and smooth brain choices like hit it with a hammer or hand filing those rotor corners

[@tokirak]

@@robboss1839 it’s not smooth brain, it’s about putting in the amount of work that is commensurate with the results you’re looking for. Race-clearancing the rotors is just making the rotors hit the irons “less,” while drilling alignment holes in the rotor housings and irons requires a lot more precision.

[@HighMaintenancePS]

When in war you have to pick your battles

[@robboss1839]

@@tokirak I’m aware of the differences but there definitely a lack of precision with the hand filling which is why they were laughing while doing it.

[@normanguzman417]

I love how Rob takes any negative situation and turn it in to positive. The engine lost compression, and he took the opportunity to make a video to show the damage, the reason and theory for what cause the problem and the fix solution. All the experimenting with this engines is fascinating.

[@turloughogorman8038]

Inspiring too

[@marcopoloonpollo5937]

19:07 someone forgot to run that warp stabilizer haha

[@cyclinfool]

You guys should invest in a tool to vacuum fill your cooling systems. I use a tool called an airlift. It prevents air pockets every time. I even use it on power steering systems.

[@nathanmoss8481]

Thank you for being one of the few car channels that are about car work and fab. Not just flashy 12 minute videos that have almost no work involved, cleetus.

[@robboss1839]

I studied information systems so the amount of data that Dahm uses plus Doritos is some content that is hard to beat. I’ve been watching for years and the machinery and technology on this channel is so enjoyable. Especially watching the learning mistakes along the way.

[@markrichardson8382]

Just love how far you've come Rob from the beginning to this current time frame. I've been watching from the start and I'm feeling proud mate!!!!! An avid Aussie fan

[@tippyc2]

just a thought: you clocked the torque tube 5 degrees. Did you consider welding the holes shut then drilling new holes? That would fix it in place instead of having slotted holes.

[@ArthurSperotto]

Props to using Action Clutch! I run one of their twins on my B series, it's awesome.

[@khobaibzafar3601]

Loving the content Rob, it's been absolutely amazing to watch the journey of this amazing car

[@Brother2Jis_27s4]

Mix the Devcon in a thick bag and then you can pipe it in like a baker decorating a cake. Makes it a little bit neater. It's awesome seeing you go this route, time for all of the power🤙

[@BaseSRKI]

It was a wait, but worth it for this video. Lots of lessons learned! Great journey!!!!👍

[@AnifaAtobe]

👆👆👆👆Thanks for watching you have been selected among the winner's for today contact me right now to claim your prize

[@miztatone918]

Each KZbin car channel I watch are all awesome. But I watch each one for different reasons. I like rob because when I'm in the mood just to kick back and relax this channel fits the bill. It's not wild or crazy it's nice and chill. The vibe is laid back . That's hard to find when it comes to a car channel on KZbin. I appreciate all the time and work you do especially taking time to explain as you go . Thanks man .

[@dadadadankable]

I’ve never seen a KZbinr so happy to max a turbo out.

[@GOOGLM3_NY]

Rob, I have always found your content to be inspiring. This video however, after 33:39 was an entire ~18 minutes of mind fucking blowing education. Potentially solving something I have been chasing for 6+ months. THANK YOU

[@ciretto1106]

Nothing but love Rob. You have come a long way and it is truly inspiring to see how far passion and persistence can excel a person. Everyone is capable of great things, they just need to find it! You bought a CNC machine despite having no experience running one. You strive to improve your skills and knowledge every day, and you are not afraid to share the mistakes on the way. "You only fail when you give up. If you learn from a failure, it is knowledge"

[@myke-ll2fh]

I just want to be as passionate about anything, as much as Rob is about his rotaries ❤️ Killing it mate 👌

[@harryfellowes5148]

Seriously rob I’m am addicted for life to all your content, as I’ve said before your videos really helped me get through a hard time 👌

[@geecee4]

Rob is hands down a tuning master. I also love the way anyone who gets into an aggressive power band always, always giggles like a child during…LUV that!!

[@fenderstrat720]

Rob love the content and love you explaining every detail its fantastic and I love learning

[@mistafishman]

Hey Rob (or others), I like the idea of a semi pp build because of the even cooling to the apex seals. I've wondered, why can't you just seal off the installed tube for the peripheral port but keep the water channel open so that coolant can pass through? Another awesome video, loved the deep dive into the semi pp overlap oddities!

[@jackr1110]

Too much risk of the seal leaking and water getting in or air getting out too..

[@jaredrandall80]

My gosh man that is insane how much power that little 2 rotor is making and it looks so smooth also. It's going to be absolutely insane when its geared rite. It's going to seem like a 2000hp car. Geeze what a bad ass car.

[@blightborn87]

This channel is becoming one of my go to sources confirming my fantasy of a rotary ford sierra.

[@blindaceg]

Loved that you were at DK's shop! Hopefully things went well and renting out their dyno becomes a more regular thing. Garage Life is full of cool dudes.

[@DogeRAM-no8pj]

Hey you should put two extra tips on the back of the exhaust so it passes real vette vibes! Quad-tip 2step would be sick too EDIT: If you really do it, make the second bend with a smaller diameter tubbing so the flow doesent prioritise one tip over the other

[@noorulhudakhan964]

We appreciate your hard work keep going 💯💯

[@MarkBlance]

@21:30, if there was a rotary cult... "you're the leader". I thought the same thing, I'm glad he was told that.

[@darkhawk4190]

Just wanted to let you know don't use a endmill in a jakobs chuck like that, they are put together by a taper only use drills

[@cemturyan2653]

Awesome video. I thoroughly enjoyed watching this. Fueltech does offer VE based tuning

[@zeala53]

Love the longer videos. Great job guys.

[@Mattspips]

Rob, I know you would geek out over the fireball tools welding table, check them out!

[@KingOfMilford]

It was an absolute pleasure to meet you in person at limerock! Going to keep the bottle you signed in the garage on my toolbox.

[@johnathonchadeesingh7509]

Congratulations on 1 Million and the progress made bro keep it going

[@barrelsurfergirl4614]

Loved that anti lag burnout really rowdy for a two rotor. The 2 rotor needs a flat foot shift mode

[@mr.mr.2318]

Congrats Rob! Love the content and learning from you, even though I've never touched a rotor before 😅❤️

[@chopsj7816]

Isaiah makes these vids even better than they already are, you guys are legends at what you do

[@joemeckley2017]

It's so awesome to see Rob and the teams expertise get higher and higher. Been watching for about 3 years and even in that time the level that y'all have risen to is incredible. Keep it up, love to watch the progression!

[@georges9686]

Hi Rob . I think dis video is one of your best. And again you make me watch all what is rare for me . Your enthusiasm is contagious.

[@ev4n5eli0n01]

That exhaust setup pleases my heart. It’s pretty and it sounds soo 🤌🏻

[@rotaryperfection]

It's about time you machine some o-ring groves in the UIM since you have the equipment to do so. Edit: Rob I would use a mechanical compression tester as a backup to verify those compression numbers because you'll never know how accurate these aftermarket rotary testers are gonna hold up over time once they get oil inside them.

[@jessesan2206]

Nice! A satisfying day for us both Rob!

[@arg8763]

I loathe rotaries with every fiber of my being, but love watching Rob rebuild them after a few minutes of run time every video. I look forward to next week's rebuild. Good times.

[@TheEquinoxe62]

casually talking with a 6 rotor shaft on the shelf ! rob is realy the rotary god

[@rohanberry6015]

Absolutely admire the detail an the thorough explanation on the science you've achieved!

[@thomasshepherd9966]

Been watching for over a year now, you really are an inspiration. Keep up the good work

[@toxiclovept]

I'd love to see this car doing a 2-step contest! 50:04 that was nasty

[@kungfuclutch2788]

A 2 step contest 😂😂😂

[@lonewolfinc]

My rotors don’t jiggle, jiggle, they roar I like to hear the turbo wiggle, wiggle, for sure It makes the tires wiggle wiggle for sure random stupid comment of the day thank you insomnia lololol

[@RomanHoltwick1]

That Premiere stabilization message at 19 minutes gave me work flashbacks on the weekend 😂

[@baronvontourettes]

6 rotor Diablo. I’m calling it here now.

[@treewisemenllc7281]

Rob, you started, a rotary cult. An we, are your followers. You've taken one of the looked down upon platforms and shown the beauty of these "unreliable" engines. An for this, we support and enjoy your content and adventure in these rotary endeavors.

[@DREAMS2REAlITY]

Rob is seriously the rotary cult head master or grand dragon 🐉 whatever you want to call him but honestly he has single handedly (with the help of his guys) put the rotary on the mainstream map

[@harunamburu863]

Rob I admire your hard work man always ready for the people's fun u motivate me alot

[@RealNikolaj]

Police officer: Sir, do you know how much fun you’re having? Rob: All of it Officer.

[@Josstrigaming]

I have to say, congrats on 1m subs guys! Great job!

[@earlmoorhead5555]

Fight club & rotory club first rule is we don’t talk about Rotory club 😱😮😂😂

[@cristianr3712]

Man I have been waiting for this content! Can't wait to see the real limits if the Rotaryvette.

[@hanspeter1785]

Amazing, thank you for the content! Greetings from Germany

[@robwigglezz944]

The endmill in a drill chuck made my soul hurt lol

[@SilverToolRacing]

ROB!! Take that end mill out of that drill chuck. How dare you!

[@Rmx2011]

Love the long videos, gives me chance to get a nice cold beer and maybe even fresh popcorn to just lay back and absorb everything in the video. You guys are top tier.

[@R3yko_33]

Finaly, rob posted a video 🙌🏻🙌🏻🙌🏻🙌🏻

[@tysurakus1975]

Keep up the good work rob, the real ones don’t care if it takes a long time to upload, we know your working hard to get the content out complete and ready !!!

[@le.farquad608]

God that Exhaust sounds sooooo good! 50:01 , like come ON. Changing my boxers after that

[@rickbussel9532]

Call me a nerd but this is maybe my favorite video. I love the problem solving.

[@michaellk2254]

5:30 ROB REPPING MONTREAL LETS GOOOOOOOOOOOOOOOOOOOOOO

[@james10739]

Have you thought about getting the rotors ceramic coated I have been looking into it lately

[@M_Gargantua]

Love the clutch shop interlude.

[@brogan39]

Man I would do anything to come and spend a year with you and your team to learn what you have been doing to the rotary motor, absolutely jaw dropping and drooling work.

[@konjohnlongshlong5439]

This man will literally build a whole motor and push it to failure just for our entertainment 👏

[@petetofani4896]

Very cool guys!!!

[@nolansluder4492]

"One thing we definitely need to do is get a lathe and.. we won't" cracked me up

[@nickcoul699]

Good theory on the o2 sensor random lean. My only question is why is it only happening on one rotor if it's a problem that should effect both?

[@davidsantos5516]

Realy cool stuff

[@treewisemenllc7281]

PS: that clutch is beautiful. Can't wait to see how it holds up!

[@Drunken_Hamster]

This thing is just perfect. Also proof you don't NEED 3 or 4 rotors to build a badass and (reliable?) Dorito machine. And I STILL can't get over the fact that it *kinda* sounds like a 3-rotor from the outside! All that's left to do is that gear swap, full CF body, tub/flare the rear, and throw some Viper-sized DRs along with some skinnies up front.

[@jasonaldenhaley1]

vapor blast cabinet is all Rob wants for X-mas (...or Kwanzaa)!!!

[@4familyman]

Pre turbo o2 is affected by back pressure. It will read artificially richer, the more back pressure you have which will potentially be too lean in the engine.

[@fr_nk777]

AN HOUR OF CONTENT?! Thank you Rob!

[@keegansnyder1465]

Way to go rob can’t wait to see you build a burnout car

[@The.Sky.Driver]

19:06 killer stabilized shot!

[@leslienordman8718]

Well done!

[@Dimination36]

never have clicked so fast! thanks for keeping us on our heels Rob!

[@jeeperzcreeperzz]

You hit the millie!!!

[@msitpro1]

I see you learnt/saw the real life effects of wastegate actuator springs progressively opening. Boost controller improves spool as well as adding the cream on top

[@JamesBalazs]

Any chance of switching to an EFR8474 or 9280 on this? From what I've heard the Borgwarner generally has way better transient response and midrange than the equivalent Garrett.

[@FujitheChef]

So when is Vaseline going to be a channel/car sponsor for your engine assembly? 😂

[@webaberto]

Waiting for the day you make a Track oriented Lotus swap and tune it completely focused on cornering at fast speeds. Maybe a 3 rotor 600hp in less than 800kg

[@HighMaintenancePS]

Mmmm. I wonder if this project would only ever come second to a k24 version?

[@MrThunderCunt]

Every time u post its like Christmas lol. Never expect it

[@craigfiles7067]

Soon to come the cult of Dahm with reverend rotary

[@justRD1]

Pour in a single spot to prevent trapping air! Just like pouring silicon molds.

[@tmheadlines]

wait i dont get why he did that? is it because he ported it 2 mutch

[@gezdipz5425]

bigger turbo and bigger injectors and let's see those numbers brap brap,bring on the next vid. keep the great content coming 👌

[@maartenvandenberge7116]

"if there was a rotary cult i would strait up join" said Rob, not knowing he had already started one, and its part of the reason that he gets taged on everything that involves rotories or being dissapointed at the lack of rotories in mazda's

[@TheRacers]

Loved the video! 19:11 i hate when this happens to me LOL.

[@SleepySolo88]

That's Just Nasty. Incredible Car For Sure

[@justbaumwolle1105]

New video waiting for soo long😂

[@nathanzondlo7393]

Rob working with Bisi makes me so happy