How To Paint Your Engine

Paint your car's engine. I show you step by step how to prepare and paint your engine using POR15 Engine Painting Kit. This will also prevent your engine for ever rusting again.
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disclaimer:
The content of this video is available for informational and educational purposes only. It is not intended to be a substitute for the professional advice of a mechanic who has personally inspected your vehicle, nor does it create a relationship of any kind between the Humble Mechanic and you. Every situation may be different, and the Humble Mechanic does not make any warranties, whether express or implied, as to the accuracy, fitness, or applicability of the information or automotive parts portrayed in this video to any project and makes no guarantee of results. The Humble Mechanic and any sponsors of this video will not be liable for any damages related to personal injury, property damage or loss of any kind that may result from the use or reliance on this video and/or any automotive parts represented in this video. You are using the information and automotive parts portrayed in this video solely at your own risk.

[@lovund86]

A good tip, Disposable Ear Plugs is great for bolt holes when painting.

[@HumbleMechanic]

+lovund86 man that's a great tip. I'll be doing that on future paint stuff

[@TheVerlaine]

That's actually genius

[@boostaddict_]

lovund86 time to go buy a box of earplugs

[@adamrobledo3996]

Thumbs UP

[@No-Pro]

You my friend are a genius! That is a great idea, I've been making silicone plugs and you need to leave them overnight to cure. Thanks for the tip

[@EngineeringExplained]

Charles this is awesome! So thorough. So detailed! So humble. Such mechanic. But seriously, great stuff!

[@Okom1]

Hello men

[@HumbleMechanic]

"So Humble, Such Mechanic" might just be my new tag line. Thanks my dude!

[@One_Guy]

Its lacking in the Whiteboard column though. ;)

[@schoolofgerdes]

I just saw your video on "5 Things You Should Never Do In An Automatic Transmission Vehicle". It was informative over all and the channel as well. Keep up the good work.

[@ShainAndrews]

Masking tip. When masking off the machined surfaces (raised bosses specifically). Forgo the razor blade. Apply tape extending beyond all edges. Take hammer and tap along all edges. This cuts the tape leaving a perfect edge. Much faster with better quality. POR. Great when it works. I have much better results using automotive base clear, or even enamel. You can also more accurately match the sheen as I don't care for the gloss POR produces either.

[@TheStwat]

I used the POR15 rust preventive paint on my old Mercedes W126 around 5 years ago now. Brilliant stuff. No rust whatsoever has come back through where I used it. It just stopped it dead.

[@itsbowmantv]

I spy a Chris Fix sticker :) good to see that channels like eachother

[@tjerkkuijsters1850]

Keep the vids coming, loving them. Greetz from Holland.

[@jimmylee8459]

I think the glossyness looks great on the engine. Thanks for the video

[@Dicer328]

Good video as always, Charles. The product is good but I still suggest multiple coats for best results/durability.

[@boostaddict_]

These videos are finally becoming relevant for me. I've probably watched this 3 times, but now that I have a MK3 it needs to be cool. This'll be useful for making a 16v look good.

[@HumbleMechanic]

Heck yea

[@09ThomasEF]

Great video, Charles! Good information and filming/editing. Thanks for sharing.

[@HumbleMechanic]

Thank you so much!

[@Blaylock1988]

I love that POR 15 stuff. The basic paint can go straight onto rust. Super life saver for New England cars.

[@averagelife5523]

This is really nice... a very good job... thank you so much for sharing

[@Tracks777]

Awesome! Keep it up!

[@IamDerick]

An engine shop painted my MK1 diesel block for free. I was beautiful with one caveat, it was Chevy orange. Since it matches the orange paint job on the rabbit truck no harm done. Oh, BTW his video was more satisfying than playing with a fidget spinner! Great work! :)

[@laswirl8591]

Very humble 😌 🙏 great info very detailed cheers mate

[@davidd8435]

Thank you for the video, very informative. Would an engine stand be a good alternative to hold the engine while painting?

[@x-man4702]

Great video! I really enjoyed it very much, thanks for putting it together. Question: I also like the semi-gloss OEM finish on the block, do you know if POR15 makes a paint like?

[@richb313]

Charles if you have a leaf blower it is a good way to dry. When I still had motorcycles it was the absolute best way to dry them when washing.

[@lwready]

You might do a tool review on garden hoses!😀. Seriously I am new to your online videos but I am seriously addicted. I've been binge watching for the last week or ten days.

[@HumbleMechanic]

LOL, Thank you so much. The hose I was using was just an old junky one. The end had been fixed a few times, then I think my wife ran it over. So I cut it off. :)

[@FrenchValleyAirport]

I really liked the finish of the rust prevention, i agree the enamel is too glossy

[@brianskinner4328]

I was wondering if you're going to paint the oil pan and head/valve cover a different color so you can detect leaks. great video and keep up the great work

[@pete-fi8fp]

Good vid , thanks for the effort, ive bought the whole range and trying to gather faith for once someones made a paint that will stay on engines, ive got mixed messages from por suppliers wether the rust preventative will handle the kinda heat that always removes paint between the two central exhaust inlet ports on a cast iron 350 chevy intake manifold.Some say just use the metal prep is enough. really appreciate anyones hands on experience to this answer. cheers from New Zealand

[@tylerh3804]

POR15 is good to 450 degrees. Good for the block but not heads. If your block temps reach anywhere near 450 degrees, you have other problems. for the heads, POR15 has a high temp paint good to 1200.

[@D6Spanky]

Awesome. I like the kit. Nice to have all of those chemicals together. One day I'll get to do this.

[@HumbleMechanic]

+D6Spanky yeah I'm happy I got the kit.

[@MikesGarage96]

HumbleMechanic yea POR 15 is some good stuff. I'm actually using it now to paint an old golf cart

[@baloneyjusticecheezedog]

hmm I would of gone dull white just to be able to spot oil and coolant leaks better.. but that is just my preference.. and you did a amazing job.

[@Mike-pr8hx]

A leaf blower could also come in handy for drying the engine block. They also work well for drying cars after a wash.

[@ghomerhust]

im pretty impressed that the entire kit is only showing as about 65 dollars (us) on amazon. and if you are doing an engine of similar size to the vr6 you were playing with, id bet you could almost do 4 engines worth. ill be using this kit for sure when i do my aba build(s) because of the cost, and the relative ease of the procedure. by the way, thats that little 6-popper going in when you put it back together?

[@tonzi4268]

Smear some grease on the freeze plugs and can wipe clean afterwards. Love the brass look on a painted engine(if you are using rattle cans).

[@AR3n3gad3]

Looks super!

[@mechanikalkraken]

Thank for sharing....and do you know the process about aplicate special cover coating paint about internal structure about EMD 645 16 cylinder Engines?

[@hi-fidude6670]

My 390 V8 was blue as stock, painted it black. Replaced the 58 year old carb and plugs as well.

[@HumbleMechanic]

NICE!

[@ClassicGBodyGarage]

Damn nice video! Detailed and how it should be done.

[@saab9000black]

Nice job!

[@caiosoares4577]

I'm Brazilian and I love your videos, keep it up !

[@HumbleMechanic]

Thank you :)

[@D6Spanky]

Caio Henrique Soares Muito legal!

[@caiosoares4577]

Gostei do seu canal também, no brasil não existem muitos assim. Mais um inscrito ! I liked your channel too, in Brazil there aren't many like that. One more subscriber !

[@D6Spanky]

Você pode escrever em portugues. Eu fazer videos no Instagram em português também. compartiliar me canal, por favor!

[@caiosoares4577]

Nossa, que legal, você é brasileira também? vou compartilhar sim !

[@andyvitale6071]

I learned some great tips from this video. One question do you think I could do this with the engine still in my truck? I'm sure not as thorough but if I grow patients like you have it's not an impossibility. Anyway thanks for sharing.

[@nissansentraSrde]

Awesome video man. Do a video on a fwd sr20de/ve/t

[@Randomgearhead]

just wait till the engine is ran and the block heats up a few times, the glossiness will fade some. I painted my 302 in my datsun with that por15 engine enamel and has held up very well compared to spray paint.

[@HumbleMechanic]

+Random GearHead sweet. Thanks for the info. It's not too bad. I can live with it. Lol

[@duanebonney]

How about bare alloy engine parts Charles? Intake, Water pump, Timing cover etc. Do you need a High temp Etch Primer, or will the VHT Flame Proof Primer do? The can does say 'all high heat applications'...

[@classicminidiy]

Charles, Thanks for this awesome video. I am about to paint my a-series motor out of my mini on my channel and I was curious how has this held up after a year or so?

[@HumbleMechanic]

It has almost been a year. And the finish is perfect. Well minus the spots I missed. HAHA It has really held up awesome.

[@classicminidiy]

That's wonderful to hear. Sounds like taking the time to really prep it properly and then applying a good product can go a long way!

[@sparkplug1018]

Good tip if you don't want the core plugs painted, instead of taping them coat the inside of the plug with a heavy grease. Paint just wipes out of there when your done.

[@RabidDogEOCF]

petroleum jelly works as well, and a bit easier to clean up.

[@tylerh3804]

This tip works if you're spraying the paint. When applying POR15 using a brush or sponge, you can't risk touching the grease with your brush and then dragging that everywhere else and also contaminating the paint in your can.

[@odellaudio2810]

Hey humble machanic I have a mk6 gti with a really bad screeching noise. It happens when I accelerate sounds like it's coming from the back of the motor near turbo any ideas on what that could be ?

[@WilliamDye-willdye]

Good video. Just curious: what do you think of coatings such as glyptal on the inside of an engine? Jafromobile has another video coming out soon on the subject (I think it lands tomorrow; I got a preview as a Patreon suppprter).

[@HumbleMechanic]

+William Dye thank you. Donne fair, I haven't researched it much. But I will. I need to check out his vids. Heard nothing but awesome about them.

[@lonegunm4n]

How long did it take you from start to finish? Gotta love time lapse lol

[@ferndalehennessy]

How much horsepower will I gain if I paint it red?

[@marcelrossmann912]

Anthony 40

[@HumbleMechanic]

Yea I think 40 at least

[@marcelrossmann912]

@HumbleMechanic When do you Assembly the engine?

[@HumbleMechanic]

I just ordered a few measuring tools to we can be sure we catalog as much as we can. I am out of town this weekend and most of next week. I am hoping to start that process next weekend. I have all the parts to assemble other than cams. The cylinder head is ready to go I am not totally sure if I am going to paint that or not. I have the "aluminum" color to paint it with, but it was cleaned extremely well, and I am not worried about rust. From there is is about the small details of the reassembly. If I just did the job, it would be a simple 1 day job. But since I am documenting it, it will take longer. :)

[@GrandPrix46]

Red is a minimum 20 to the wheels, obviously other mods (such as stickers, underglow lights, exhaust tips, etc) will increase the gains of the paint. Hondas will always see 10% more gain from paint and stickers than any other make.

[@romanjaspe4172]

thanks so much

[@aissaaneslyes3566]

i don't buy any things i just click to the links to support you , you did a good work my best regards

[@HumbleMechanic]

+Aissaanes Lyes thank you so much!!

[@aissaaneslyes3566]

you welcome , i will do more if you ask , just keep doing great things

[@greatmixer]

what is the music name of this video how to paint your engine it is nice pleace say the name

[@tinmanozzie]

I have a 4000 mile motor that was in a show car, it's painted black, can i clean the motor ans paint over the black, if so should i scuff it first?

[@turboflush]

even eAsier..when engine is out and broke down. have block dipped to remove everything. machine shops normally do this anyway. then assemble everything. mask holes off. prep and paint it. no chance of crap getting onto engine.

[@ArcanePath360]

Can I use brake dust cleaner prior to painting?

[@scottclark2413]

Any tips on repainting a previously painted engine?

[@Victorsvolkswagens]

Thanks! Im painting my aba 16v today black and red and my mk1 engine bay black

[@HumbleMechanic]

post some pics on IG and tag me!!!!

[@Victorsvolkswagens]

@@HumbleMechanic I’ll definitely do that! Im assembling the engine tomorrow i should have a few videos of the engine assembly if you wanna check it out! Also id love to have you as a subscriber!

[@magnusdanielsson2749]

Would be interesting to hear how durable this paint has been for these 4 years.

[@notyodaddy1499]

I degreased my big block with Castrol Super Clean then just sprayed on the POR15 color coat and it worked awesome. 4 years later the engine still looks like the day I did it.

[@weliftnation2418]

Does this work for aluminum block and cylinder head?

[@codymoncrief2128]

If you can without damage, heat the block up to a couple hundred degrees farenheit then apply the paint. It will dry faster and be more durable.

[@HumbleMechanic]

+Cody Moncrief my wife wouldn't let me borrow her oven. Lol. It's amazing what heat can do to help paint!

[@tylerh3804]

cure with a heat gun

[@lukemotylinski8048]

Great video!!! I'm new to working on engines, is there a cheaper route?

[@HumbleMechanic]

+Luke Motylinski I've rattle canned an engine. It comes out good, but not great.

[@HumbleMechanic]

+Luke Motylinski I've rattle canned an engine. It comes out good, but not great.

[@ShainAndrews]

Rattle cans like you get in the parts store is the bottom end. Next step up is 2k urethane in a spray can. Once you start spraying you have maybe a week tops before the paint fully activates in the can rendering the contents useless.

[@PhillipTieuChainz]

Do you have any recommendations on plugging a larger hole such as a large coolant hole that previously housed a banjo bolt?

[@HumbleMechanic]

Can you put a regular bolt in? Or just tape it

[@PhillipTieuChainz]

@@HumbleMechanic it's a pretty large banjo bolt. I could use tape but my block already has paint and I am planning on using paint stripper and don't want any of that to get in since the engine internals are assembled.

[@johnterpack3940]

@@PhillipTieuChainz try pipe fittings. If the threads don't match they do make rubber plugs that slip into pipes and get tightened with a nut to hold firm. A visit to the plumbing section of your favorite hardware store should turn up something useful.

[@XJeepWerks]

Speaking from experience, gloss black engine blocks make it really tough to find oil leaks. But hopefully you'll never have to worry about that

[@HumbleMechanic]

+XJeepWerks lol that's what I'm hoping for too. Have you tried oil dye in that case? I'm wondering how that shows up.

[@TrueRedRabbit2]

charles, i know you said you wanted to go OEM look but why not go with a silver color or something that makes leaky fluids stand out a bit more?

[@HumbleMechanic]

Well a few reasons 1) I am not too worried about fluids leaking. Every gasket will have been replaced 2) If I do end up with a leak, finding oil leaks is actually pretty easy. 3) Worst case I can add dye to the leaking fluid and trace with a UV light. I hope that doesn't read like I am being an ass about that question. I am really not. it was something I considered for sure. Either way, most of what you see in the video will be totally covered. I may do some small bits in the engine a cooler color. I will figure that out when it's time. :)

[@TrueRedRabbit2]

You good brother don't worry. I was just wondering.. thanks for the quick response. Appreciate the video 👍

[@joshcamp27]

How much time did you spend making this one?

[@tag4112]

would this kit be a good idea for cleaning up the look of the suspension compenents?

[@HumbleMechanic]

+Tyler Wyltk because i haven't used it for that, I am going to say officially "I don't know". But this coating is legit and I think would hold up great. I have plenty of paint, and I might just give that a try.

[@tag4112]

HumbleMechanic ok great! well i was looking at a 2003 gti 20th in jazz blue and the whole rear suspension is beaten up, just like no paint due to rock chips.

[@One_Guy]

you could always take the engine block to be hot tanked or pressure washed... we have a local shop in our area called Lordco Autoparts and they offer hot tanking and pressure washing tanks to thoroughly clean parts etc.

[@HumbleMechanic]

+Nick P this one was hot tanked. But I think they did a piss poor job. Lol

[@One_Guy]

yeah that thing should have come back spotless!

[@HumbleMechanic]

+Nick P agree.

[@ShainAndrews]

You still have to do the exact same prep. Might reduce the degrease phase to a single cycle, but it is still a required step. Never trust anybody doing anything when it comes to paint. POR will give you more reasons than you can dream of as to why it did not adhere.

[@jskuwait05]

hi i have passat model B7 Replacement the Battery but the car giving alarm and horn in on and car not work

[@jacobchandler7953]

I've always like Por15 but does this paint come in different colors? if not, what can I do to paint the engine another color?

[@HumbleMechanic]

+VolksyWorld Toys yeah they have tons of colors.

[@kookyhobbyist8943]

really wish I watched this before painting my block. My paint peeled on my block so now I have to strip off all the paint and redo it. absolute pain.

[@stephensingletary385]

Would this work on an aluminum block???

[@joecool509]

You can use a small ball peen on the tape on bolt holes. Makes a nice cut. Like making a gasket

[@MichaelMcFearin]

Before you started your engine was cleaner than any I have ever had. ^_^

[@HumbleMechanic]

+Michael McFearin lol. It went to the machine shop for a cleaning. They did a piss poor job.

[@mentaldan666]

Well that's my next 11 minutes sorted then 😁

[@HumbleMechanic]

:) Thank you .

[@JoeMartinez-ic3mv]

How much would it cost me to have a shop paint my 93 ford f150 6cylinder 4.9?

[@Joseph-cy3ns]

Krud kutter worked great for my engine paint project. Way cheaper too.

[@noddylloyd]

How many coats did you do of rust preventative and the engine paint?

[@HumbleMechanic]

I think 2 coats

[@noddylloyd]

@@HumbleMechanic thank you. I was doing mine when I asked you. I watched your video about 10 times before to mentally prepare me for the job. Great video! Thanks again!

[@pmbrunelle]

I painted my engine with the black gloss POR-15 rust preventative paint, but did NOT apply any topcoat. The POR-15 is apparently damaged by exposure to the Sun's UV rays, so in an engine bay, I figure there's no Sun, so the topcoat shouldn't be needed.

[@Denis-bo8ms]

So if I bought this kit for an aluminum block, I can just throw away the rust preventive? Also, why didn't you spray painted this, would be faster?

[@HumbleMechanic]

That is exactly what I was going to do with the cylinder head. But I never painted it. I didn't have a gun worth spraying. The brush was pretty fast and easy.

[@Celician83]

I've found painting other things if the color is too glossy, use compressed air before it gets tacky, that will dull out the gloss

[@HumbleMechanic]

+Joshua Bell interesting. I'll try that out. We got plenty to paint.

[@lancecpldave]

You could add a flattening agent to the paint

[@cnottagejr]

i just want to use spray paint and not actual paint i just want to spray paint a few things ya see so can you help me

[@CanadianDirt]

Hey Charles, how’s it holding up 4 years later?

[@VWPassat_3BG]

Will this kit good for engine gearboxes too ?

[@HumbleMechanic]

vduB vw yep. I didn’t do mine for this video. And you may actually not need the kit. Many transmissions are aluminum. So ya might not need the rust treatment stuff

[@VWPassat_3BG]

So, still i can use the same kit but without the rust prevention for the gearbox?

[@vr6swp]

SEM Hot Rod Black comes closer to replicating the OE finish.

[@siliquaesid703]

When you have applied the masking tape, tap around the edges of the part you want masked with a RUBBER mallet or plastic hammer. HEY PRESTO, perfect masks!

[@HumbleMechanic]

Yep that is a great way to do it.

[@Luca-ge3lz]

I HATE cleaning and prep work for painting 😂

[@MicJaguar]

A lot of the times the gloss goes away when it fully dries like house paint. Your just seeing the shiny liquid before it evaporates. I like to do a test paint on something and wait for it to dry to see how its going to really turn out. My mom freaked over a red paint that was too glossy in her house after the painters left. I told her to wait before calling and yelling at them about using the wrong paint. Sure enough by the 2nd or 3rd day the gloss was gone. The more you know eh?

[@HumbleMechanic]

This has held its gloss really well over a year later. it's probably more dirty than anything.

[@user-rt3lb9oq6x]

👍 white colour is much better.

[@dave1135]

I guess your machine shop just used a block washer? it just uses heated water sprayed by jets as the block rotates on a turntable. back in the 80's, when I went to tech school and used my local machine shop, they had a huge tank full of water and lye, heated almost to boiling. we submerged all the parts, block, heads, oil pan, timing and valve covers, intake if steel, for two or three days. it stripped off EVERYTHING, paint, grease, you name it. all that needed done after was the usual scrubbing of the oil galleries with solvent then a good wash with tide detergent and hot water, then blow dried with compressed air. I don't think shops use the lye solution anymore due to environmental reasons.

[@jluc155]

Anybody notice the Chris Fix sticker behind him. 😁

[@lowmonte1978]

Sucks they don’t sell the paint kit in Amazon anymore 😢

[@Sammy-fg4py]

Charles, what is the background music?

[@HumbleMechanic]

It was produced by a good friend of mine.

[@Sammy-fg4py]

Tell him it sounds badass

[@HumbleMechanic]

+Sammy Noueilaty I will! I wish he'd make a website or something. Lol

[@melonmalone6307]

What if you just use the POR15 and enamel? what would happen

[@melonmalone6307]

on the engine

[@unprecident]

Be safe out there kids! Don't use kitchen supplies you actually eat with for mixing solvents! Paint mixing cups and the like work great, or buy dedicated measuring cups for in your shop!

[@HumbleMechanic]

+unprecident good call!

[@dextermccray817]

well I gotta pull my motor anyways so might as well paint it too

[@AdrianJayeOnline]

1st step, remove engine from engine bay

[@Jjjjxxxxe]

razor blade is okay for tape, hitting it with a file around the edges is fast too. what I do anyways

[@HumbleMechanic]

+Panti Shotto that's a good idea!!

[@chancesmith3009]

Been 3 years now. How’s that POR15 holding up?

[@HumbleMechanic]

It’s as awesome as the day I applied it. Lol

[@chancesmith3009]

Perfect I just ordered some for my project. Thank you!

[@pvtmoore193]

Can you do an engine rebuild of the 2.8L that was in the Audi and Vw's The 30V one.

[@brauliorubio2465]

shipp the left overs to my place I need to do my engine

[@TheVerlaine]

Curious that you used a sponge on thing. I was expecting a spray - That's the way I would've gone anyway.

[@mr.mckinnon5680]

this is kind of funny. Automotive painters go to school for at least 40 hours to learn how to paint your car . but will show you how to do it in just 11 minutes. * individual results May Vary.

[@HumbleMechanic]

+Omniscient Presence lol well there is a big difference in painting an engine vs painting a car. I'll leave that one to the pros

[@mr.mckinnon5680]

HumbleMechanic well, the pros get paid to paint engines to.

[@cdl504]

this guys beard is longer then my head hair

[@cdl504]

and its organized and clean

[@theedge5584]

Aluminum blocks...............Wouldn't painting a block hurt its rate of heat dissipation

[@theedge5584]

@The Lone Journey Guess it depends on engine...I know all my Honda/Acura engines are clean, cast aluminum n if painted dont dissipate hear very good, would assume all aluminium blocks would be the same but what do I know...Factory isnt also perfect