Drive by Wire to help the 3 Rotor RX-7 pull wheelies and idle!

[@jeremycote3385]

Everyone has to realize Rob is actually doing R&D here. This isn't a "content" clout channel. Yes the 4 rotor makes us all hard but if you've actually been watching the videos lately this is just as sick. Stop complaining all of these things are big picture. Building your own parts, testing them, making revisions, buying a Cosworth V8 (big W), making wiring looms, etc. Man is learning and legit telling us all of this information as he goes along. We all wanna watch videos but sometimes they should come with an IQ prerequisite so thumbnail whores know what's going on here. I've watched this channel for a while so I know Rob pisses around and does questionable things sometimes but it's always worth it imo

[@MrGimmethreesteps]

It is a content clout channel. I like watching his stuff, but Rob is a marketing hype man. He makes videos to hype up the viewers. He won't finish the C8 or Indy car for years, unlike David Mazzei and Ted Buddy who make videos after their projects and installs are done

[@mitchhifi9192]

Nah bro, he should work on his 60k engine first hey. Honestly people are so stupid to realise he needs a test bed

[@falosny]

@@MrGimmethreesteps I think part of that is him wanting to learn but also teach others exactly what he is learning.

[@scottychainsaw5866]

@@MrGimmethreesteps What have you built lately?

[@boxr_4214]

@@MrGimmethreesteps it ain’t content clout just because he’s up to date with his videos. he’s gotta have some way to generate revenue for the projects, and he teaches us new things in exchange.

[@nottherealjk]

I see a lot of people crying out for 4 rotor videos....I'm gonna go out on a limb and assume everything you're learning for the 2 and three rotors will be refined and scaled up for Ahura.

[@nottherealjk]

@re e I doubt it. It's not as if he moved on from his original 3 rotor or the Vette.

[@BudtheBeekeeper]

The awd rx7 will always be 4 rotor... Rob is mysterious, not that mysterious though 😂

[@skepticfucker280]

Finish the 4 rotor!

[@tayshincampbell3995]

He’s learning from the cosworth setup as well as the rnd done on the 13&20b At this stage Ahura focus is aero which I think is already finished in terms of design- maybe waiting on the carbon parts to be made

[@mmjohns2705]

I personally like the 3 rotor more anyway because of nostalgia and that it’s kind of a shit box but sort of not at the same time 😂

[@Martin.ac.85]

Rob, make a log from cold start to operating temps. I’m pretty sure there will be a table that accounts for throttle position vs temp and that info will be useful to help with the idle setup. Also, do a calibration again when the pedal is installed. The ecu should manage close loop idle control and using a table with temp vs rpm will make it a cake. First solve all the vacuum leaks or they will make you more crazy. Best of luck, awesome content and loved the wiring harness making video.

[@nodak_forged]

I was going to say something very similar. Great minds think alike

[@nighttracker1472]

@@nodak_forged your missing the second half of the quote (not to insult you or anyone) "Great minds think alike, but fools rarely differ" I belive that your version applies in this situation though.

[@nodak_forged]

@@nighttracker1472 haha yes the Greeks knew it best

[@mac-hk6oz]

I love how Rob's operation is a full fab shop at this point . No more waiting on parts or the other guy or a rotary guy . Rob is the guy now and has fab daddy . Fab daddy and dahm daddy . Such a good team

[@Hman9876]

Dream team

[@SloppyMechanics]

rob, drive by wire is the SHIZ thanks for using it, expo curves are baller AF once you learn

[@thewespaul6520]

Sloppy Doritos?

[@jackmehoff9909]

This man needs a sloppy tune to make those Doritos run right

[@YadiRedPapi]

The gasket is probably why is idle goes up and down

[@ArthurSperotto]

Nah, cable for the win. I want my foot to dicatate what the throttle body does, not a computer.

[@CP110]

@@ArthurSperotto just program the computer to listen to your foot, plus Idle air control valves get deleted, and cruise control becomes way simpler.

[@michaellk2254]

What I love most about this channel is the research, trial and error. Doesn't even matter that a car isn't even shown. Just so interesting to see what new is made.

[@phretsCM]

I’d love to see you guys enter in a race week event for the ultimate reliability test for the three rotor.

[@Zam52]

Yes yes yessss! Doesn't matter what class, just watching the 3 rotor try would be sick

[@willdowns5847]

This so much, would be the ultimate test for all he’s learned and a great learning experience on where to improve more

[@LUNA-fx2ud]

AISURU.TOKYO/AGNEZ/?[Making-love]💞 (◍•ᴗ•◍)✧*。18 years and over🍎🍑 KZbin: This is fine Someone: Says "heck" KZbin: Be gone #однако #я #люблю #таких #рыбаков #Интересно #забавно #девушка #смешная #垃圾

[@brx3649]

This is the content that I crave. Robs content and thought process is an open book.

[@jaydub8576]

Forget Valvoline, this man needs a battery tender sponsor.

[@facusan2339]

lmao

[@majcrash]

Yep.

[@LUNA-fx2ud]

AISURU.TOKYO/AGNEZ/?[Making-love]💞 (◍•ᴗ•◍)✧*。18 years and over🍎🍑 KZbin: This is fine Someone: Says "heck" KZbin: Be gone #однако #я #люблю #таких #рыбаков #Интересно #забавно #девушка #смешная #垃圾

[@FishFind3000]

Just buy a few ctek chargers and your good.

[@Doctor_MX]

I just bought my first rx7 (FC) awhile ago, your chanel is what started my love for spiny dorito machines

[@ValentineC137]

Funny coincidence, I just got mine in may (T2 ‘vert)

[@Token_Black_Guy]

How much u payed

[@raduorban]

I am a die hard old bmw 6cyl lover. But these videos are really good. Regardless of the engine/application. Really really nice craftmanship. ✌

[@xaytana]

The new pedal has a removable bracket, a new custom bracket would've been a better option to start off with. The pedal itself is also removable from it's arm, thus a custom pedal can be used if needed. Due to the assembly, I can't tell if the arm itself is removable, but it should be as it shouldn't be permanently bonded to the electronic components, which means the arm itself is more than likely also able be swapped, meaning you can have a better angle at the bend in the pedal to better fit the vehicle. Using standoffs in any scenario like this is just janky as all hell, I'd rather have a pedal mounted as flushly to it's mounting plate as it physically can be.

[@xaytana]

@Brent Cua Doubt it, he already drilled the firewall to work with the GM bracket, with plans to just reinforce the firewall. Also it'd be easier to just bend a piece of sheet steel like the OEM bracket, milling out a bracket from a billet is just a massive waste of material. It's also best to keep the pedal as close to the sheet metal it's being mounted to as possible, this way there's no additional leverage on the firewall, and so that the standoffs/spacer doesn't become a cantilevered component. Keep in mind that a pedal is actuated with your leg, if you flat out floor the pedal, something is going to give in a spaced setup, which is why a direct mount is better; unless Rob plans on forever feathering the pedal with the lightest touch. With the attention to detail lately, I'm surprised the pedal is as jank as it is. I could understand not wanting to modify it for preliminary tests. Modifying it also isn't all that difficult, the bracket is just bent sheet steel and the pedal arm is just a flat bar that may not even need to be bent all that much. There is absolutely no reason for the pedal setup to be as jank as it's going to be.

[@stephen865]

i was saying the same thing to myself

[@MurrayC]

Although as Sandy Munro says a drive by wire throttle is just a switch, no need for it to be as beefy as a brake pedal. Turned 17mm spacers and reinforcing plates on the firewall should be enough.

[@jharris280zx]

Really appreciate seeing the R&D that goes into these projects and the explanation of why certain choices are made. keep up the great content.

[@Johnny_OSG]

22:13 Rob I recommend you use some type of positive lock fastener. Nylox and loctite might fail in this scenario because of excessive heat on the engine bay side of the firewall, it will just melt the nylon. Please use DIN 980 nuts, they have deformable thread which is a positive locking system. Alternatively you can use cotter pins or safety wiring which are extremely popular on all critical fasteners in racing

[@G_Ozare]

Right now, I watch Adam LZ, TommyFyeah and Malik's R32 restoration but Rob's are hands down my favorite automotive videos. As a gear head, its like going to "shop class". He's an excellent teacher.

[@Hman9876]

You know that Rob is a real one becuase he has lots of awesome project cars in his own shop with a freaking CNC machine, yet he still wears beat up shoes with holes in them. A man truly dedicated to his project cars.

[@blkdna748]

Rob actually am so glad about your build. Ik everyone says its isn't finished yet. Ik that you are learning,making everything by your wish, perfecting step by step. Tbh I have learning from you there are lot I get from your build. Tbh So happy to see the car getting better. You are the man. Keep going!

[@brianmaietta]

I’d say my knowledge of automotive mechanics is a 3.5/10. I’m learning so much about cars and how they work from you figuring out more complex and innovative solutions to existing methods. You explain everything so matter of fact and you boil it down to the root concept and purpose of each part. Showing their limitations and strengths and finding ways to make them more effective and efficient. Really helps me learn. Thanks for teaching me Rob!

[@AV-cc5wl]

People have been doing DBW conversions for well over a decade lol

[@brianmaietta]

@@AV-cc5wl I just enjoy that he sees a process like a DBW conversion and tries to make it better by analyzing structure, materials, limiting friction, etc. reverse engineering the core concept. not giving anyone credit or taking credit away. i just enjoy his approach.

[@jasonrobinson1877]

14:47 While the crankshaft may fit through the hole of the bearing journal dry it is recommended to apply lubricant liberally especially with a thrust bearing. Proper nut torque is important with the crankshaft as too much friction can cause premature wear and a rough ride.

[@goldfingerdash]

Good overview on Drive by Wire. There are many benefits as you mentioned, along with the ECU mapping for commanded torque / commanded throttle position. There are many safety aspects behind the scenes which should have been well vetted by the ECU, electronic throttle body, and foot pedal manufacturer. Care must be taken when making and routing the engine harness. It can factor into electromagnetic compatibility (EMC) issues. I've seen a lot of things when I designed Drive by Wire electronic throttle and electronic shift controls for ECUs.

[@4984Snake]

Rob you have a CNC mill design and make a adapter plate for your pedal, can't get more rigid than one solid piece

[@boxr_4214]

not the best option due to weight, and unnecessary complication. it’s much easier to make a bracket by hand that fits well enough. cnc work is better suited to high precision applications like engine components and gas flow management.

[@93RX7v8]

I did the same thing on my 1993 FD, except I used a DBW pedal from a 2006 GTO and custom built a mounting bracket so that gas pedal and the brake pedal were at the same distance from the floor. Perfect setup for heel to toe driving. In my opinion the GTO pedal looks better as well. I have pictures of the mounting bracket and the install if you're interested.

[@pixill4ted593]

Grateful to be a part of your journey bud

[@ourhaus9164]

Watching this as a senior in highschool is so awesome. This is the kinda of stuff I wanna do one day. I love watching the RnD process, it's still really fricken cool to me.

[@FullaskillzDrift]

You hit us with the “if she could” R.I.P. your momma💙

[@stuartkarshagen6274]

Rob is not just a tuner, he is a freaking genius.👌🏻

[@itsameyaboi]

If y'all find the firewall flexes too much during full-throttle moments, an L-bracket on the backside of those bolts might help! Love the builds and thanks for all the great content, that wire loom and its video are top-tier man 🔥

[@SparkyNorth]

Love the amount of passion Rob, You're the best man. Keep up the fantastic work, I always make time to watch your videos!

[@junction13pirate]

Are they your cats dude? If not, a whole new level of respect for you. If they are, even better to show the kitty's every now and then. Much love from the UK brother 🙏😁

[@nineninesixteensixteen2386]

Rob it’s crazy how quickly u figure things out

[@Sir.VicsMasher]

Nice thing about drive by wire throttle bodies is the ability of doing legit lift off anti lag for intense hoon sessions and burnout competitions. Imagine the sorts of donuts and burnout competitions you would rule if you could control power to individual wheels through the use of cutting brakes, differential lockers and maybe custom couplers. You could make the AWD dance at 9,000rpm with smoke and noise pouring out of it. Just one of my many ideas I have written down in my little black book (Apple Notes)

[@RMiz_]

Some older cars used a cable driven tps sensor for drive by wire. They are great because you can reuse the factory cable driven pedal but just mount the tps sensor and then still utilise all of the benefits of drive by wire. Mid 2000's honda accords are one car that used them

[@matthewhall9530]

The hunting is probably from the missing gasket and that flange probably being warped a little from being welded on. It’s wild that you made it work that well out of the box so to speak. To make the pedal a little more stable you can put a block or something to keep it from over extending and bending the mount. That would let you kick it and not worry about tweaking the pedals position in relation to the others.

[@The_Purp]

I love you're video's, I don't have a rotary but I work on my Miata all the time and every video of yours I lean something new that gets me thinking how can I apply this to my project. Much love, been hear since your able 2 step video in 2018.

[@cabooey2905]

this is gonna be one INSANE 3 rotor, literally every part is custom done for an exact purpose

[@Grant82gc]

Oh wow, I've just spent about a week researching DBW/FBW for my little fiesta as I want to wire it up with a megasquirt (for nerdy fun) and now coincidentally you've just uploaded a video on the same subject! Keep it up Rob, love your work!

[@Fletcher938]

i like your t-shirt Rob, it's good to see Chris is staying strong through his cancer crap, i'm sure he will be fine he has plenty of love and support from fans, friends and family, everybody go to the B is for Build channel and give him some love.

[@vdubster]

Love that you’re repping BisforBuild 🤘🏼

[@midnightfd3s]

Never a better day than when Rob drops a new video!

[@DJ_Driven]

Very cool DBW setup! I've always hated the primary / secondary throttle body linkage setup. The primary throttle plate on some RX-7's wouldn't even fully open stock. Will be awesome to see all the ECU possibilities with this design.

[@jonathanwells9648]

Should CAD up and machine a bracket that will mount both right side holes to the firewall. That would add a ton of stability and if you make it from aluminum it won't add a lot of weight. Would also be a cool way to eventually offer others the option of DBW in an FD.

[@estebanmatias92]

I loved the adaptor for the drive-by-wire throttle

[@itsshabang6359]

I’ve spent the last couple of evenings having the same dbw pedal problems, was building brackets but this seems way better! Thanks.

[@andrewable2634]

Hairs looking good dude, Keeps doing its magic. Excited to see this beast set down some proper times at the drag.

[@mapscorp]

That's cool to se you working with Anderson and team using brasilians product i very proud for been here seeing this project.

[@Andrew_moto]

I gotta say man every video I watch of yours I get more and more impressed, keep up the good work.

[@brianrobinson9979]

This is super interesting to watch Rob progress the 3-Rotor more and more and see robs janky wiring get better and better but am I the only one getting super anxious to see everything done and see Rob get this beast to hook and RIP down an airport 1/2 mile run at 100%. I'm ready to see Rob hit over 200mph in this MONSTER!

[@brianrobinson9979]

And maybe see Rob attempt the Texas Mile speed test

[@johnny_gtr]

I remember leaving a comment for you to do this on the 4 Rotor build - awesome that you've done it. I did it to my JZA80 Supra and I'm just about to do it to my ST205 Celica - it's the shit!

[@dalebickham2666]

Be interesting to see how well the fueltech can smooth out the idle control. I know cammed ls3 stuff will still hunt a fair bit with hp tuners

[@carnyx8016]

Just saw Daddy Dahm on a Valvoline Snapchat ad. So proud of him for working hard and moving up in the car scene 😢.

[@wirekat]

I love watching you work through a new process. Big brain stuff.

[@nrgrandits2046]

I've been following you from the moment you did the burn out video in that car. You've come a long way from not knowing much about cars to this 🔥🔥🔥🔥🔥

[@Hman9876]

That was my first video too! How long ago was that?

[@nrgrandits2046]

8/7years ago at least

[@crosser9635]

you can use boiling water with drain cleaner to get the fittings free from the anodized blue. hope this helps . and you can also weld on them without problem

[@GLR.VISUALS]

When are we getting more 4 rotor content? 🥺👉🏻👈🏻

[@HalftonJohnson]

He’s been posting the harness on Instagram. Should be soon hopefully!

[@tannerharcus8833]

When father dahm allows us

[@GLR.VISUALS]

@@HalftonJohnson 🤞🏻🤞🏻🤞🏻

[@junkyard4999]

What about the supposed 6 rotor. Rob never finishes anything except for a sentence

[@NotJo4Ever13]

@@junkyard4999 wasn’t the 6 rotor on the table in the video with the cosworth?

[@joshperkins6900]

Good job on getting your drive by wire system to work, we set up drive by wire on our rx7 years ago using motec and we’ve never looked back, we use a rx8 pedal and bmw motor to drive it. Our system is a little different because ours run a quad throttle body intake

[@thenando45ify]

Awesome video! I was just curious if you had considered making a CnC spacer for the pedal? Or welding up a few pieces of flat bar to help take up that space behind the pedal bracket. I just wouldn't trust all-thread with the amount of vibrations and sudden acceleration your car is going to be under.

[@EquitySolutionRayRaz]

I just bought this nutsert tool cause the fenders my kid got came with a cheapie tool , and dang that thing comes in handy , even if you want to pop a nut in place and then tack it , like that thing for sure

[@goldfishninja8086]

Rob is a different breed from most of the other car builders.

[@tayshincampbell3995]

71k remaining Keep em coming

[@Matty.Hill_87]

I bet seeing that harness come to life and work properly felt good didn't it? Nice work man

[@SlightlyBetterPudding]

damn I'm here 2 minutes after a post. Last time I was this early Rob still lived in Michigan

[@LUNA-fx2ud]

AISURU.TOKYO/AGNEZ/?[Making-love]💞 (◍•ᴗ•◍)✧*。18 years and over🍎🍑 KZbin: This is fine Someone: Says "heck" KZbin: Be gone #однако #я #люблю #таких #рыбаков #Интересно #забавно #девушка #смешная #垃圾

[@MikeFico998]

You’re a mad scientist bro never stop

[@stantonmills1543]

13b corvette getting ready for 650-700ish hp cant wait

[@HorsepowerTube]

You have to be careful with drive by wire on boosted applications. On higher boost cars they don't have enough strength to hold the blade in place under boost. Hopefully it works out for you.

[@FG-418]

Welcome to the DBW gang! You won't regret it.

[@JaredKaragen]

For the pedal; cut a plate to go under it for rigidity. Now cut 4 sections of pipe to go underneath and but up against the body and plate flush and they surround the studs. This should make it rock solid.

[@HMan2828]

You're probably going to want to apply a transform function to your pedal input in the ECU if you're going to drive this on the street, so it's not completely linear... Otherwise it will be very hard to control at low throttle, and will constantly surge at idle, and most of your pedal travel will be in your higher power band, and you got lots of power... I would recommend a sigmoid-ish curve, so you get about 50%-70% of your pedal travel in your lower power band. Or just an exponential curve if you're gonna floor it. As for mounting the pedal, just make a plate for each side of the firewall and sandwich it in there.. Pedal, standoffs, inner plate, sealant, firewall, sealant, back plate with threaded holes to bolt through.

[@jacobhobbs08]

Good ole LS stuff helping out the rotary gang.

[@fishua5564]

Just make a bracket that goes from oem mazda holes to GM holes. I would put horizontal lots on one or both sets of holes so you can slide it if needed... just 3d scan both pedals. Line up the flat spots in cad. Then make a billet bracket on your cnc machine. Easy!

[@Hybridesque]

I would love to see another harness video to tidy up the interior wiring of the 3-rotor.

[@pspgamerserjio]

This is pretty cool, I never seen a regular electronic throttle body move before

[@rimooreg]

Nice machining, bro.

[@MotorizedKiwi]

My god someone needs to mass produce that throttlebody greddy adapter combo! So good!

[@darquille]

"Another GM part, but you can't fight what works!" I read an article about GM's development of the deive by wire throttlebody. They bought a BMW V10 and put it in a Caprice back in the 80s to study the technology. GM always finds a way to make the fancy tech available for cheap, but still reliable.

[@Swerval]

A neat trick considering BMW never made a V10 until 2005

[@darquille]

@@Swerval may have been a v12 then. Unless the article was made up

[@kodidodd9967]

Rob is the true master of what to do with your hands on camera 😂

[@vanz7099]

Rob, take the bracket you made and build a box type mount for the pedal coming off that.

[@rylan71]

instead of the spacers and using the factory gm bracketry wouldnt it be a more future proof idea to make your own rx7 electronic throttle plate. i may be mistaken but it looked like 3 bolts holding it in. plus in long term its less mounting surfaces, less hardware, less parts, easily duplicated , and could even use factory mounting hardware. love the research you do. thanks for sharing the numbers with us.

[@batman3698]

I like how in the title wheelies comes first and idle second

[@Mombasa2k3]

That's sooo cool how you're able to fab your own parts :)

[@jdmculture3224]

Your boy Dave Building a 5 Rotor!! 💪🏻💪🏻

[@thetrainshop]

Man owns a CNC mill, doesn't use it to machine a spacer block for the DBW pedal. Get that CAD brain goin, Rob, I believe in you!

[@omgpk2133]

Abel would be so proud of the new wiring harness

[@sledgiefd9070]

Great R&D Rob and love the adaptor to the Greddy elbow! I don’t suppose you want to do a small run of those?…Name your price 😁

[@blaznmax8877]

Iam glad you went with fuel tech

[@eliminster06]

next up he should make a billet adaptor to give extreme rigidity to his pedal mount, also it should be wider to negate the torque of the arm some on pedal twist.

[@mikemensinger5763]

That is pretty solid pedal. 🤌🏻

[@PaceWorks]

You can cut off the old pedal and weld it to the e‐pedal and bend it appropriately 👌🤙

[@josephmatuszak3855]

My thoughts mostly. Just lop off plastic section of e pedal and add whatever pedal /angle / length ya want.

[@helplmchoking]

Either that or go with the standard Subaru Legacy. Basically the go-to option for e-throttle swaps as the mounting and pedal are both completely metal so it's super easy to adjust to suit.

[@LUNA-fx2ud]

AISURU.TOKYO/AGNEZ/?[Making-love]💞 (◍•ᴗ•◍)✧*。18 years and over🍎🍑 KZbin: This is fine Someone: Says "heck" KZbin: Be gone #однако #я #люблю #таких #рыбаков #Интересно #забавно #девушка #смешная #垃圾

[@tomtricks6838]

“gas pedal for the brakes, some people call it that”😂😂😂😂

[@BlakDrgn]

Every time I see aluminum chips inside intake parts I get PTSD.

[@Swerval]

Furries in the chat

[@rellik1182]

Love that red rx8 in the background when do we get to see the progress on that

[@Me-fj8sb]

Now you can port that intake manifold like you mentioned, one big runner will do ,

[@BuildSomethingAuto]

Wow, that electronic throttle actually moves quick. You might have me sold on those GM pedals...

[@FUCK_________googIe]

what, you thought people with hundred thousand dollar corvettes just deal with shitty throttle response? the GM DBW has been race industry standard for a half decade now

[@BuildSomethingAuto]

@@FUCK_________googIe guess I just haven’t been lucky enough to work on hundred thousand dollar corvettes 😉. All the ls’s I’ve worked on were from the 90s, guess I should get out more 🤣

[@FishFind3000]

@@FUCK_________googIe most vets are no where near 100k

[@leroyjenkin3566]

If you put a small plate across the the studs you’ve made on the right side it should make it stiffer.

[@samuelsklar3061]

You should use the laser wheelie system that boosted boiz has on their mr2. It helped them reduce wheelies and pb by like .2 at the 1/4

[@Paul_Tomlin]

Rob you just need to make a boxed bracket that bolts into where the studs go that will get rid of the movement from the long bolts

[@DaftFader]

I can't wait till Rob puts the new harness on ... and all the wires are too short! xD

[@DeanofMachines]

Someone has to develop modern rotary upgrades, might as well be you! Thanks!

[@armandssakne1868]

Cool B is for Build T-shirt!

[@miniyota3ur]

Rob if your middle initial is N, you are literally RND(R&D) .......... it would completely make sense too because of your drive to build your own stuff, break it, make it better, and do it all over again.

[@Nitrocity7151]

Idk how well it will carry over but carpassion channel has a decent video on idle tuning with links to places he's learned from