400HP Backyard Built Miata Engine Gets Torn Down For Inspection!

[@FeralGhoulash]

For some reason patrick chugging fuel has me laughing uncontrollably 😂

[@TheCarPassionChannel]

Idk why these things come into my brain while editing

[@olivia.brewer]

So good

[@patrickfargie1146]

He probably thought I was high on gas fumes when I mentioned a possible 1.6 swap to him lmao

[@daleabono3616]

4 YEARS!! Didn't you just finish this a couple months ago? Wow, times fun when you're having flies.

[@NippyMoto]

That's because he finished the engine then found out the gearbox couldn't handle it which lasted all of 2018. 2019 was spent chasing a vibration and clutches slipping. So that's why it still feels like a fresh build.

[@miatafan]

dump that tubular manifold and get a low mount Kraken. best flowing cast manifold out there for the Miata, benefits of tubular go out the window when it cracks on the second run.

[@mtbiata]

2:06 LMAO Patrick got me 😂

[@xXmitchfkXx]

You have every reason to be proud Craig. 13000 miles on your first build and on a 400+ engine no less. So fascinating to see it stripped down after 4 years too, keep the vids coming!

[@mtbiata]

I get so excited when I see your videos pop up in my feed haha

[@mrfixall]

I gotta admit that I am happy to see even hi $ tubular manifolds can Crack. My obx manifold lasted 2 years before cracking. I still have it But I bought a replacement obx for 100 bucks off ebay. Thanks again Greg, for all you bring to us.

[@matthewglover322]

I've been watching your videos for years. As of today I am successfully driving my 1992 mk1 1.6 turbo around (ME221, TD04, G19 exhaust etc). Your videos have been invaluable, from the stem seal in-situ guide, to how to drill and tap the sump. I've viewed other channels, but yours has been by far the most useful. I'm writing this here as this is your latest video. I genuinely couldn't have completed a turbo conversion by myself without your guides. Keep the videos coming :) Matt

[@TheCarPassionChannel]

That's awesome to hear, thank you Matt!

[@TheMapleDaily]

MIATA DAD I MISSED YOU thank you for helping me through my rebuild shes at 140 miles and shes running great! I am having safe.. legal.. fun! I await all of your content!!!

[@7777777mattdog]

Still can't get over the Expert Lvl allen wrench skills 10:53

[@therealpewpew2532]

Definitely the best channel on youtube

[@connorhixenbaugh1567]

I cant believe its been so long since you built this thing. I remember watching you build it and drooling for my first miata to be like it

[@HutchinsRacing]

This channel and car is goals.

[@urkoarriazu126]

It sucks that u have to take everything apart beause no one wants that in ther built motors but im SO GLAD that we have this tipe of content again, i loved the building series. Good luck bro

[@oldmanloki]

Days we’ve been waiting for a carpassion X ricer miata collaboration: 64

[@BullPlop11]

Have you looked at the new Kraken cast low mount manifolds? They look like they should flow as well as a tubular but have the strength of a cast unit.

[@shirtz69r]

Thanks dad. Enjoyed this vid and looking forward to the next.

[@Seandoestech]

Nice! Yeah those cylinders look pretty good to me. Definitely more thrust wear than I saw with my boosted motor 300 hp) but You still have crosshatching! Mine were totally glazed over smooth after 20,000 miles.

[@TheCarPassionChannel]

Thank you for the feedback! It's hard to find relatable info on this, since built motors wear differently with the different metals, and higher powered motors wear differently from stock obviously. I'm interested in seeing how long it will go before it needs rings/bearings. Hopefully I can keep stacking the miles on.

[@schneir5]

Hey, I followed your video's instructions for changing my timing belt and water pump and stuff on my 1995 Miata a few years ago. Just a couple months ago I found out that I didn't tighten the crankshaft bolt enough, and the keyway was damaged and the shop where I took the car said the timing had jumped and they had to change the whole crankshaft and rebuild the engine and my car was pretty much done. They ended up doing the epoxy fix, so my car is running again, but I wanted to make people aware of this potential problem. Use a torque wrench.

[@robertgiordano555]

First video I’ve ever seen on KZbin with zero dislikes

[@hewbambam]

There's always that one person. It has 1 dislike now. Not me btw

[@JimmyMakingitwork]

See what happens....

[@ericn7698]

10:44 - "Intallation Kit." Lol. Someone at Borg Warner QA was asleep on the job that day. (:

[@jerZcavy4120]

Dude, the sound quality, the Intro, the music. All top notch man! I'm so happy with how much this channel is continuously growing! Keep up the good work bud

[@whippingstar]

Time for a Kraken, Greg. Also: Grab a Vulcan MIGMAX 215. I've been running one for three years and it's been fantastic.

[@ryangregory1364]

Have a look at the kraken low mount, cast and very similar to your manifold

[@cdsprech]

I learn so much with every new video! Can't wait for part 2

[@sjorsangevare]

Been watching Miata videos all day and researching suspension, this makes a great end to the day! Thanks :P

[@christianzinn7636]

One thing I suggest is getting your header and turbo JET HOT Coated. They will coat the header inside and out! This coating REALLY keeps the temps down and turn around is about a week. If you bead blast everything it will speed things up!!! I have used their coating since the early 80's!!! I LOVE IT! Best Always, Chris Zinn

[@nehok]

Hey Dad you dropped this, *Cough, 'kraken low mount' Cough*

[@Hipsters_N_Hippies]

1:52 dude the 80’s music is perfect for auto videos, however I didn’t notice until just now. Lol

[@Racingboom]

That montage music had me groovin ngl

[@DennisVandenBroeck]

Goodtimeswithscar (Hermitcraft)

[@Epiphonech]

Please be sure to attach turbo exh. housing to the manifold when welding those seam cracks! When welded my cracked eq runner near the outlet flange, the flange bent badly by welding metal contracting while cooling... Shaved off ca 2mm to get it plain again

[@UnsponsoredBuilds]

Literally working on my nb2 as this video drops! Love your channel man!!!

[@bauerlimitedproduction7398]

My MSM engine is being finished now, and includes offset pistons (offset piston pin) in order to reduce side loading. They work for engines that don't have ideal rod ratios. ALSO, cut your turbo manifold to allow for expansion in addition to decking the face. See Flyin' Miata, Kraken and other manifolds for examples. Looking forward to your next video. ;)

[@redlineriders2695]

These videos are so well put together, you are the best Miata dad ever !!

[@James_na8c]

Just got on my lunch break, perfect timing haha

[@luisacevedo4442]

Same

[@tannerjohnson1326]

Same lol

[@acornhead50]

Same

[@Hefe179]

Same

[@psychotogen1]

sick 80's music dude

[@jmpcrx]

Loving the 80s music

[@muaddib2678]

Need this Miata shredding the streets of SoCal so visited your channels store... not a lot but hope it helps. :)

[@Gnasherism]

Had no idea about thrust wear and larger gaps in the bottom rings. More goodness from Greggles woooo

[@yossi126]

Time for a kraken low mount

[@drpiv]

Someway, somehow, missed this. Like finding an extra xmas present days later.

[@dpg_creative]

Well timed video, currently in the process of tearing down my engine and aside from a destroyed #4 piston my cylinders seem to be ok! Having the block bored to 78.5mm and honed. Wiseco pistons coming so that bit about the detonation was helpful to hear because I thought they might be mostly invincible. 😁 Doing the Qmax coolant reroute from SuperMiata to hopefully avoid another piston tantrum while supercharged. Awesome video as always, thanks!

[@manfigs]

Love the videos man! Helped me many times with my Miata. I appreciate everything you do keep up the good work

[@jacksomb1]

Really appreciate the time and effort you go to in delivering the details we owners need. Keep up the great work

[@harrybic]

Time for a Kraken low mount?

[@JakeTyson1]

Been there before brother, but you'll get it straight!

[@paulkimble4548]

It's funny you mention the twin scroll housing, I almost asked you on IG earlier in the week if you thought they were worthwhile.

[@TheCarPassionChannel]

I would absolutely love to see a T4 Twin Scroll 6258 on a built NB1/NB2 engine

[@TVtwarn]

I literally just received my new cast manifold from kraken today My old steel manifold was also bent as all heck

[@EdA-bz3bu]

All this and only 117k subscribers 🤷🏻‍♂️. Keep on following your passion bud👍👍✌️

[@ruzzzlan]

I have a weird problem with my na6, engine sounds louder than it should and oil pressure is a bit high. Checked for exhaust leaks and there were none. Sometimes oil pressure drops to the norm and engine sounds quieter, all while rpm is the same in both cases

[@KeciapTube]

Thanks for posting. Really helps me

[@duaneandrew4451]

New here. I'm sure its been discussed, but what oil are you running?

[@TheCarPassionChannel]

Usually Mobil 1 10w40 or 15w40. Or any suitable 10/15w40, I don't really have a brand preference at this point

[@dirtperson4221slash2]

Miata dad jokes get me every time.. let's, head in.

[@JimmyMakingitwork]

Got worried about the plywood table holding that head for a bit....😳.

[@TheCarPassionChannel]

Should see it flex when I put 2 heads on it

[@stephenrocque8458]

I absolutely love all of your Miata videos - Q how can i best communicate with you about engine development issues Steve Ottawa Ont Canada

[@Levent_Ergun]

I hope that stud on the turbo side won't cause you any grief later on. I did that mistake once and 40K km later my exhaust still has a leak before cat.

[@jonriver]

Run MMO in your fuel every once in awhile...but even with more upper cyl lubrication I would still assume you'd get some visible wear. Just the nature of ICE

[@michaelbjornqvist1808]

Hello! Love your videos! I want to know were i could find out the torques for the entire engine, arp bolts that is. Mike. On a 1600cc

[@Asomesauc]

Super informative thank you for the great video.

[@dbestyoutube]

Safety wire those turbine manifold bolts! My buddy had them loosen and it destroyed the turbine wheel.

[@benschroeder1052]

Impressed you’re able to stave off the need for bigger cams lol

[@TheCarPassionChannel]

The powerband is so good as it is, I don't want to mess it up lol. The turbo is out of air so there's no more top end power to be had, if I swap turbos and go for 500+ I may need to start considering it!

[@benschroeder1052]

@@TheCarPassionChannel I mean the turbo is off already too, right? *nudge nudge*

[@TheCarPassionChannel]

@@benschroeder1052 I was already posting on my Instagram trying to get someone to trade me for a 6758 or 7163, lol. Nobody took the bait but I'm working on another deal right now muaha

[@MarvinConnell]

If you can - how about coating the pistons to reduce friction & in the end wear? O.O

[@AlejoMX5]

Toast. Called it!!

[@TheCarPassionChannel]

lol

[@1one3_Racing]

I didn't actually learn anything, but I hit the button anyway. Enjoy the endorphins. I DID actually learn something about building race engines yesterday that I didn't already know. The more I learn the more I realise that there are SO many things to think about while building an engine and its best to just do what someone else has done and not be a pioneer. Which is the exact opposite to the way I usually approach a build.

[@muhammadmore]

Now all the Miata needs is some bullet proof windows and tyres

[@hewbambam]

Is it better to have long tubes from the head to the turbo flange or short ones? I think that long ones will be less likely to crack because it has more pipe to flex, but will that make spool slower?

[@TheCarPassionChannel]

From what Abe at Artech Fab told me, longer runners will have a slight reduction in transient response but offer better top end power. I worry about the long tubes cracking more easily, because the weight of the turbo has more leverage against them

[@ThanhatFoodvn]

shar very great thank for share

[@fatninja987]

I'm here dad

[@DingusKhan42]

I hope one of these days I can try and give my car some juice. One day...

[@swat1229]

Wait, why is the coolant passage bright red?

[@duncanhone9370]

Great vid again. Why would you want to raise the compression ratio? I thought you would want to lower the compression ratio on turbocharged engines.

[@laurencematthews312]

This exactly. Raising compression on a turbo car is a waste of time and will only lead to being more knock limited.

[@TheCarPassionChannel]

@@laurencematthews312 @Duncan Hone E85 baby, high comp + turbo no problem

[@str8slayn1]

Good video 👌

[@foamdataservices]

Those marks on the side could be caused by piston slap when cold? Have you found that noticeable when it’s cold? I am interested because I am planning my VVT Turbo build and want to know what forged pistons are like to actually use. Also did you use Inconel studs on the hot side? You are still going to be lapping all those exhaust valves again! I am planning on teaching my son that so I can get him to do it lol.

[@TheCarPassionChannel]

That's actually the main reason I went with Supertechs instead of Wisecos; I'm not sure how true it is but from the research I did, Wisecos supposedly are made out of an alloy that contracts slightly more when cold, so they slap more than the ST's. I figured even if it was complete internet lore I wouldn't have issues regardless of which piston I went with. On my motor I don't hear any slap at all on cold starts, but also keep in mind that my "coldest" starts are about 50F

[@VictorPitstop]

I love these Mechanical Porn videos, Greg!! Please keep them coming! I learned so much!

[@TheCarPassionChannel]

You're gonna love the next one, my head is spinning there are so many measurements to take, so many new tools!

[@VictorPitstop]

@@TheCarPassionChannel *internal screaming*

[@AlejoMX5]

It would be with the manifold on my belt sander to flatten it. Lol.

[@jimmy2002ful]

Is it the revs you’re pulling that lunched the valves? How much gain is there over 7500? Looks pretty solid for how much abuse it’s seen

[@TheCarPassionChannel]

Boost pressure is a big factor as well, as increased manifold pressure is pushing against the valves, making it harder for them to close and seat. It's not something I thought about much before the build, I thought a mild valve spring upgrade would be enough, but maybe not. It's possible the seat pressure was too low as well. My limiter is at 7700, the engine is still making 300wtq @ 7100, falling to around 260wtq by 7600 or so then rapidly falling off. Usually I only rev to 7200-7400 during a pull, but I use those extra revs in the canyons to avoid an upshift

[@jeanboy9108]

Yo greg whats your avarage mpg on that thing?

[@DylGon_K24]

What would be a better turbo a gt2560r or a gt2860rs. Street use, stock 1.6, 200-225whp 250whp in future?

[@TheCarPassionChannel]

GT2560R, no brainer. The 2860RS is an absolute slug on the 1.6, I used to have that exact setup.

[@DylGon_K24]

@@TheCarPassionChannel so besides the gt2560r what would be a good starter turbo?

[@TheCarPassionChannel]

@@DylGon_K24 It depends, what are you looking for that the 2560 doesn't offer?

[@danloosmore8099]

FAB9 have 1mm+ inlet and exhaust valves just waiting for you, you know you want to....

[@DuckingJeep]

What editing software do you.use? Want to do some videos on my 440 whp 1.6L

[@TheCarPassionChannel]

I use Premiere Pro. I consider it on the side of the spectrum that's: Takes longer to learn but more capable. I know a lot of people love Sony Vegas and Final Cut too. I used to edit all my videos using free Windows Movie Maker too but that was a nightmare lol

[@jannevot8515]

Do I have an exam tomorrow? I don’t have an exam tomorrow. What is even an exam ?

[@LowkeyAkuto]

So... no head?

[@Dawnhun1er]

Notification squad for the win!

[@robertabageru7000]

How many miles did he do ?

[@OniMX5]

Please go off on a mega tangent.

[@stockND3]

Valvetrain damage gang

[@leobezryadin3896]

Fun vid

[@pontiacg445]

No manifold relief cuts? Calipers are not very accurate, even if they are a good brand. No matter how well they are made they will flex and lie. If I ever needed more than +/-0.0015 accuracy I found a mic. Check out telescoping bore gauges. For cheap you should be able to check cylinder bores yourself to tenths accuracy, plus a mic of the right size to check pistons.

[@TheCarPassionChannel]

I have a full mic set and bore gauge setup as well. Unfortunately for measuring the valve installed height in a Miata engine you can't use either of those

[@pontiacg445]

@@TheCarPassionChannel Makes sense, probably more than accurate enough for doing that. Curious what your plans are if they come out loose. More shim, or different keepers? I'll be refreshing a head here soon, too...

[@TheCarPassionChannel]

@@pontiacg445 I'm mostly doing it to measure out the relationship between installed height and seat pressure, and to see how much seat pressure shims can add. To see if it's a concern. I'm also upgrading valve springs at this time but figured it would be a great time to check all this out, the head has unknown history

[@hittman8592]

Kracken low mount time?

[@rhunt2363]

Everyone thank your farther

[@ZacharySound]

13K miles doesn't seem like much at all on Miata engine. My stock 99 has 235 and still going so how much of a difference is a modified 400 HP Miata going to damage an engine after only 13k vs a stock engine?

[@TheCarPassionChannel]

It's not only the power, but the metals used are different too, any time a softer or harder metal is used it's going to change the wear characteristics. How long a factory Mazda built engine will last vs a forged/high power build is apples to oranges. That being said this thing has plenty of life left, hoping to see 30-40k out of it

[@ZacharySound]

@@TheCarPassionChannel That is intersting to know. When you say type of metal used are you referring to forged pistons or something on the modified engine? It sounds like a a stock vs modified Miata engine the miles put on a stock engine are multiplied by 50-100 on a one that is modified lol!

[@TheCarPassionChannel]

@@ZacharySound It also has to do with the tolerances made by the machine shop and the quality of the assembly. Me assembling the engine in my garage is not going to have the same level of precision as a Mazda factory, and I've also never built an engine before. For the metals, anything that's harder than stock (to be stronger) like pistons and rings, will wear out the cylinder faster.

[@ZacharySound]

@@TheCarPassionChannel It makes you think when you can get 400k out of a stock Miata engine. I assume with a turbo kit from say Flyin' Miata with engine management I assume is setup to allow it some longevity though. 400 HP is pretty insane though vs a stock engine FM turbo kit giving you about 75 more I guess.

[@TheCarPassionChannel]

@@ZacharySound A stock engine with an FM kit (or any turbo kit) will get you around 225-250whp, the rods will let go above that

[@CarsX23]

To the 1 guy who 👎🏼 , 🖕🏼 you probably drive a mustang 🙄

[@turbo_alice]

Teardown music is from Lupus Nocte, title is Howling. Thanks me later, go check out his music first !!!!!!!

[@TheCarPassionChannel]

Such a jam

[@turbo_alice]

@@TheCarPassionChannel I've been playing his music non stop for the last month. Whenever I'm driving, showering, playing, cooking etc I have lupus nocte in my ears playing

[@AngryBird0110]

Stoney 😎

[@alikengi17]

👏👏👏

[@scottyknows1566]

California legal car?

[@sayyeddavis8199]

Hey man. Would you be willing to offer a noob engine builder some advice?

[@MrSpaced123]

13k miles in 4 years people, dont do it!!!

[@TheCarPassionChannel]

huh

[@WorstPaperCut]

Sheesh got here an hour late fk..

[@benniesewell2634]

DUDE harbor freight stick welder. Be the welder. Surprised you are not already if you can handle all of this.