Refinishing and Flattening Engine Heads at Home with Sand Paper

  Рет қаралды 61,980

RDAllen

RDAllen

4 жыл бұрын

Resurfacing an engine head using sandpaper and a sheet of glass! About an hours worth of work and the engine head was looking much better!
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Пікірлер: 108
@thatbluelada
@thatbluelada 4 жыл бұрын
Very informative video Randy! Thanks for sharing it. I always wondered if machining was needed to get it point perfectly flat but there you just showed us the other way of doing it! Keep it up!!!
@radozeman
@radozeman 4 жыл бұрын
Of course taking it in to have to done is easier, but you can definitely do it yourself with a little elbow grease and maybe an hours worth of time. Thanks!
@MrMonty414
@MrMonty414 6 ай бұрын
Thanks very much. Especially like the idea of using water to hold the paper on.👍
@radozeman
@radozeman 6 ай бұрын
Yep, makes it easy to change!
@fiaziqbal3279
@fiaziqbal3279 2 жыл бұрын
That sound is so satisfying
@vernonpeterson3323
@vernonpeterson3323 Жыл бұрын
Great job. I resurface my own heads using a large machinist file. It is very true and I can get it down to less the 2 thousandths. I picked up the file at an auction so I can't tell you where to buy them but it is faster than sand paper.
@bad406camaro
@bad406camaro Жыл бұрын
SMH
@carlcossette9579
@carlcossette9579 7 ай бұрын
Thanks a lot a life saver for a head that has to go back on tomorrow.
@audirx8
@audirx8 Жыл бұрын
This method works fine. I did my block after i had my sleeves drop and flattened the head. Both aluminum I started 600 wet and finished 800 wet Used water and dish soap and had no build up. Run a cometic mls x head gasket with 27psi boost on a k24 engine for 8 months with zero extra pressure in coolant system.i only did it this way because machine shop said 3 month wait I spent 6hrs in total and have a perfectly flat deck on block and heads. One thing i did differently is figure 8 patterns to not gave inconsistent amounts of material removed. I also saw another comment about flipping the head around so your not putting pressure on 1 end. You could see it when you started as it took more material off the side closer to you that was getting more pressure
@Jake.tm_politics
@Jake.tm_politics 8 ай бұрын
I'm about to do another k swap in my car, (the head warped when I blew it up the first time.) Then a month later I started to have pressure in my coolant until the engine eat crap. Is your car still working? Any issues at all or advise? I want to do this car right this time.
@audirx8
@audirx8 8 ай бұрын
@raucouspie3045 mine is still rocking great. Making 28 psi using a siruda folded layer head gasket. No extra pressure in coolant system. I used a bucket with dish soap and warm water. Do a few laps then dip the block in the bucket. I had no build up on the paper. Also faster even strokes/figure 8 pattern.
@Jake.tm_politics
@Jake.tm_politics 8 ай бұрын
@@audirx8 you are awesome my friend.
@charleswelch249
@charleswelch249 Ай бұрын
Looks great, I do the same thing because I can't wait weeks to get a head machined.
@radozeman
@radozeman Ай бұрын
Not to mention saves money! Just takes a little time.
@Artoconnell
@Artoconnell Ай бұрын
Like the shop. subscribed. thanks.
@stangdriverus
@stangdriverus 2 жыл бұрын
Nice.... im not an expert or anything but maybe it would be a good idea to flip head. To get same pressure on both sides when your sliding it.. .. awesome video though thanks..
@radozeman
@radozeman 2 жыл бұрын
That’s probably a good idea!
@tristan_hapke
@tristan_hapke 4 жыл бұрын
Keyboard mechanic here, ready to type some hell!
@radozeman
@radozeman 4 жыл бұрын
Did you clean the cheetos off your fingers first?!
@ikonik7777
@ikonik7777 3 жыл бұрын
Nope, they were takis!😂
@conmanumber1
@conmanumber1 7 ай бұрын
Hi. On modern common rail turbo diesels would you advise to spray Hylomar onto gasket prior to installation?..
@zemoney954
@zemoney954 Ай бұрын
Nice video and info Bro!!! ❤Especially for us on lil budget Thanks
@radozeman
@radozeman Ай бұрын
Thanks!
@papapsych2746
@papapsych2746 9 ай бұрын
Did this, only had a small piece of glass to work with and could only go back and forth two inches or so, made the mistake of using old sandpaper first did several rubs back and forth and it made it worse. Then I got some new sandpaper and had to do a lot more than I would have to get it to where it was. Spec was .002 or less, got rid of nearly all the places I could get .0025 to pass under previously, only have one oil galley where I can barely fit .002 under. Must of taken like 30 measurements every which way, before calling it and figuring it's just that one spot.
@joshyg5471
@joshyg5471 3 жыл бұрын
Honestly seen it said sandpaper and I went yes I’m not the only person that done this 😅 I really do love the keyboard warrior mechanics do 🙏🤗
@radozeman
@radozeman 3 жыл бұрын
It works! Just needs to be flat!
@dlavigne12
@dlavigne12 Жыл бұрын
Where do you get glass like that?
@K2007_6
@K2007_6 Жыл бұрын
What grit sandpaper did you use
@adrianslk1
@adrianslk1 2 жыл бұрын
Thank you for the video, very interesting, i want to ask you how do you determine how much material is lost, can i use the same tipe of gasket, or i need another spec
@radozeman
@radozeman 2 жыл бұрын
I just sanded until I got everything and it was flat. I doubt the little that is taken off will be a problem for any gaskets.
@cultparade2981
@cultparade2981 Жыл бұрын
Depends on several factors... type of engine, how bad it's warped (i.e. how much material has to come off), and what you're trying to achieve (is the engine going in a race car or a beater/daily driver).
@annbullock7622
@annbullock7622 6 ай бұрын
Nice video I expecte that head is cast iron, be careful when doing this with aluminum use a 1000 or 600 grit you can use oil or paraffin. I didn't catch the feller gauge size but I think not 15 thou moor like 1,5 thousands
@brappie8571
@brappie8571 4 жыл бұрын
Awesome video 👍👍
@radozeman
@radozeman 4 жыл бұрын
Thanks!
@georgesam7805
@georgesam7805 4 ай бұрын
Nah. You need to use a cinder block. Just knock of the bigger pieces of gravel and your good to go. I sometimes throw a little Crisco on it. Head gasket seals fine. Just like yours will
@GoutamDAS-ls1wb
@GoutamDAS-ls1wb 3 жыл бұрын
Hello, can you please tell us what is the pink coloring on the cylinder surface? Corrosion inhibitor? Also why is it important to use moistened sandpaper instead of dry?
@radozeman
@radozeman 3 жыл бұрын
The pink coloring is for checking for cracks, I forget the name of the stuff, but it is a two part system you spray on the head to check for cracks. The sand paper needs to be wet to “stick” to the glass
@thomasmcloughlin9196
@thomasmcloughlin9196 2 жыл бұрын
It's the magniflux
@ApexEater
@ApexEater Жыл бұрын
@@radozeman I just tried this and I can't get the paper to 'stick' to glass with water at all.
@chillyE30
@chillyE30 Жыл бұрын
What kind of sandpaper material for a aluminum head ? Aluminum oxide ok ?
@radozeman
@radozeman Жыл бұрын
Yes it is! I like this stuff myself: smile.amazon.com/3M-26080CP-P-G-No-Slip-Advanced-Sandpaper/dp/B00HM96R22/ref=pd_bxgy_img_sccl_1/130-3774895-0059358?pd_rd_w=h8j0P&content-id=amzn1.sym.7757a8b5-874e-4a67-9d85-54ed32f01737&pf_rd_p=7757a8b5-874e-4a67-9d85-54ed32f01737&pf_rd_r=37ESXEPB20R1NJW858C4&pd_rd_wg=4joyg&pd_rd_r=25f37a29-9a66-47c8-b6b2-d2d1941419ad&pd_rd_i=B00HM96R22&psc=1
@fun6243
@fun6243 Жыл бұрын
Okay I'm that guy. I do this backwoods with a heavy plate that's milled VERY flat. I do it that way because I have to jig the head "flat". I also do it because the head is heavy and not an even weight the plate is an even weight and gets a more even result. I use small circles. Later and have a blast.
@seancalabro8607
@seancalabro8607 Жыл бұрын
Thank you. You saved me a lot of $$! I don't have.
@ROBMACDUI
@ROBMACDUI 6 ай бұрын
I would love to know the cause? Did the head bolts stretch, was the head warped, etc?
@radozeman
@radozeman 6 ай бұрын
I know the water pump went out at some point on this, so that could be why.
@ROBMACDUI
@ROBMACDUI 6 ай бұрын
@@radozeman ok, so possibly overheated. Seems likely.
@hukelburryful
@hukelburryful 3 жыл бұрын
Could you attach the head to a saw saw?
@radozeman
@radozeman 3 жыл бұрын
Too heavy I would think
@user-io8uo4nn8z
@user-io8uo4nn8z Жыл бұрын
the machine shops are raping the average joe, that simply wants a strong dependable build that you can do a lot of that work at home.
@radozeman
@radozeman Жыл бұрын
And as long as you are not hot rodding it, this will work perectly fine!
@thefinalroman
@thefinalroman 2 жыл бұрын
shoulda used 80 grit then 120
@jkjwf
@jkjwf Жыл бұрын
Where did you get the glass from?
@radozeman
@radozeman Жыл бұрын
I don't recall, you can buy sheets of glass at most hardware stores, Amazon, etc.
@pforeman2008
@pforeman2008 2 жыл бұрын
can you point me to the exact glass you use to re-surface your projects i'm worried if i choose the wrong material ill make things worse if i chose the wrong material please help me get going in the right direction my surface doesnt have much room for ERRORS please point me to your NUMBER ONE CHOICE.
@radozeman
@radozeman 2 жыл бұрын
I’d suggest 1/2” thick piece, really doesn’t matter what kind.
@Dougie33
@Dougie33 Жыл бұрын
Would it be a bad idea to use a piece of polished granite instead of glass?
@radozeman
@radozeman Жыл бұрын
As long as it is perfectly flat!
@markburke390
@markburke390 Жыл бұрын
I have granite counter tops.ill have to do it when ole lady is at work
@juggnautbitch
@juggnautbitch Жыл бұрын
look up granite surface plates they're accurate to within +/000050.
@whiplashmachine
@whiplashmachine Жыл бұрын
The exhaust seats look like they're completly pounded in
@radozeman
@radozeman Жыл бұрын
Just the way they are on this head I guess
@whiplashmachine
@whiplashmachine Жыл бұрын
@@radozeman even in the few short shots I could get a clear view, I can see they are not quite right. I'm not trying to give a hard time or make a fuss on your content, at all. But repairing/remanufacturing cylinder heads is something I have many many years experience in and do almost daily and those looked pretty pounded from here. I mean, if the install heights measure up correctly then I have no problems eating my words, wouldn't be the first time lol. But from what I just saw, they did not look right. Other than that, keep up the good work👍
@kylenavarro1600
@kylenavarro1600 3 жыл бұрын
Great tutorial. Question: How thick is the piece of glass you used? I'm trying to find some 1/2 inch pieces but it looks like most places around here only stock 1/4 inch :(
@radozeman
@radozeman 3 жыл бұрын
Try Amazon or eBay, I’d recommend 1/2 if you can, 1/4 should be fine though, just needs to be flat.
@pawpawbandit3871
@pawpawbandit3871 6 ай бұрын
@@radozeman I feel like if you're sanding down surfaces to refinish them, but they're already flat, 1/4 inch is ok; but if you really need to flatten a head that isn't, you probably need 1/2 inch. I was just going to clean up engine block surfaces with 1/4 inch glass.
@joesmith306
@joesmith306 2 жыл бұрын
Is your head iron or aluminum?
@radozeman
@radozeman 2 жыл бұрын
Iron
@tonymcveigh8789
@tonymcveigh8789 2 жыл бұрын
Use dishwashing liquid it adds cleaning
@radozeman
@radozeman 2 жыл бұрын
That's a good idea!
@timothywhieldon1971
@timothywhieldon1971 Жыл бұрын
you need a machinist strait edge.. there not $$$..
@justinw523
@justinw523 5 ай бұрын
Yes they are the good ones 0.001” accuracy straight across are a lot of $$$
@timothywhieldon1971
@timothywhieldon1971 5 ай бұрын
@@justinw523 no there not, i have several under $200, that is NOT $$$, thats cheap. i have 3 that are +/- 0.003 and they are about $80 each, more than capable of doing the job. you just have no clue at all what you are talking about.
@larseriksson1184
@larseriksson1184 Ай бұрын
They’re
@fiaziqbal3279
@fiaziqbal3279 2 жыл бұрын
💪💪💪💪
@mg8718
@mg8718 2 ай бұрын
This might be better than using a block of wood because that glass is heavy and perctly flat and you sanding the whole head at once.
@radozeman
@radozeman 2 ай бұрын
Exactly! I would not trust wood!!
@dawsonjorgensen3521
@dawsonjorgensen3521 Жыл бұрын
The ocd freaks will say to take it to the machine shop, but if it's flat and within specs what does it make a difference? Unless your building a nitrous or boosted motor you,ll be fine.
@radozeman
@radozeman Жыл бұрын
Exactly! Unless you plan on doing something stupid with this motor, which I don't why you would with this motor.... it'll be perfectly fine!
@user-io8uo4nn8z
@user-io8uo4nn8z Жыл бұрын
boosted motors are not checking the heads a lot of the timed
@realtimemoneymaker1637
@realtimemoneymaker1637 Жыл бұрын
Instead of glass can I use a slab of granite???
@computername
@computername Жыл бұрын
The idea here is using a reference surface. Some folk get angry at what is shown in the video (I was a mechanic myself so I can say that) because they don't know how much of a common technique this is in engineering/machining (I'm now a mechanical / design engineer). The tricky bit is knowing if your reference surface is flat enough. There is nothing 100% perfect in this world, everything has tolerances. Even surface plates for this purpose have tolerances on flatness. So for a "DIY" method the flatness of the material will mostly depend on the manufacturing process of that material: Industrial glass usually comes off big roller mills, which produces flatness sufficient for this purpose. Glass is also "cosmetic" - as it's made for construction (e.g. facades of flashy new buildings) it would be visible if there are imperfections. Though during the cooling process warp can occur, but the manufacturer will try to keep this to a minimum in their own interest. Granite would be cut from natural stone and then ground flat. Industrial tiles are probably pretty good, masonry stuff can be hit and miss depending on the source. I.e. some old gravestone might have been made by hand or an a wobbly machine and therefore not be good enough. Laminated wood board also works though if stored incorrectly (bent over longer periods of time, moisture) it might end up warped, this is less reliable. Thicker materials are less susceptible to warp so changes are they are flatter. There is an interesting video on the subject of flatness kzfaq.info/get/bejne/nbSCodWfmqqpZWw.html&ab_channel=MachineThinking highly recommend that :)
@mobilebeeler
@mobilebeeler Жыл бұрын
if the flash did diy machine work okay. rewatch it. your welcome 😂
@skynet000001
@skynet000001 3 жыл бұрын
watch out for warpi-comments.
@damon123xxx
@damon123xxx Жыл бұрын
blue it
@chadconley9641
@chadconley9641 Жыл бұрын
Dang it! Forgot to lick the Cheetos off my fingers. Stupid!
@radozeman
@radozeman Жыл бұрын
🤦‍♂️😂
@robertoudokrapf453
@robertoudokrapf453 5 ай бұрын
OLÁ. 24/12/23. Com uma régua idêntica a sua eu apanhava da professora por mau uso de régua. Sugiro usar uma "regua de precisão legitima", aprender a usá-la com perfeição e descubriras que a posição que mais deformam os blocos e cabeçotes nem aferistes no video. ABRAÇOS Roberto Udo Krapf
@greenteagod
@greenteagod 7 күн бұрын
Loud
@radozeman
@radozeman 5 күн бұрын
What’d you say?!
@josearana7704
@josearana7704 Жыл бұрын
I would've started out wit 80 grit an go to 100 grit an then finish it out wit 120 grit to save more time
@radozeman
@radozeman Жыл бұрын
That probably would have been better yes, I thought it was flatter than it was and won't need as much.
@CoreMaster111
@CoreMaster111 Жыл бұрын
Now do this on an engine block.
@radozeman
@radozeman Жыл бұрын
Could suction cups on the glass, sand paper on the other side, might need get a different size piece of glass?
@sixohdieselrage
@sixohdieselrage 4 жыл бұрын
But, I want to keep eating my Cheetos. :(
@radozeman
@radozeman 4 жыл бұрын
Rotfl 😂
@jessashley
@jessashley Жыл бұрын
Exhaust seats are bad
@radozeman
@radozeman Жыл бұрын
There not great that's for sure.
@aNOMaly_..
@aNOMaly_.. 3 жыл бұрын
this..... hurts to watch
@all.things.boosted
@all.things.boosted 3 жыл бұрын
U mad hes savin money? Ppl been doing it like this for a long time.
@j.shorter4716
@j.shorter4716 2 жыл бұрын
It works though
@MrCommodorebob
@MrCommodorebob 2 жыл бұрын
And long as the head is truly straight and flat it will be fine. I plan to do this to my Mercedes M103 head.
@generalrlee30
@generalrlee30 Жыл бұрын
Why does it hurt you to watch?
@duckflynn3849
@duckflynn3849 9 ай бұрын
3M MAKES rolls of sandpaper with self adhesive on it so you don't have seams and uneven adhesion.
@radozeman
@radozeman 9 ай бұрын
True, it is slightly more expensive, plus it is easy to remove this way.
@duckflynn3849
@duckflynn3849 9 ай бұрын
@@radozeman for sure it is definitely cheaper and easier in small sheets. I meant to say great video as well great content. Great way to clean up resurface heads preparation for installation. While on subject I came across a interesting head related video this morning it details how badly Scotch brite messes up surface when used to clean up the heads. I've never done this but I've seen people do it a lot, I didn't realize how much scotch Brite can actually affect the surface of aluminum heads,intakes etc. etc... 3M claims iScotch brite doesn't damage the metal surface baloney. Here's a quote from them found in some advertising literature "Scotch-Brite™ Discs quickly remove unwanted surface imperfections without cutting into the metal like fibre discs or flap discs." kzfaq.info/get/bejne/m75ke8litd2rZ4k.htmlsi=F52oj033ELzCmdTJ
@glockman8091
@glockman8091 Жыл бұрын
I think i would have started out with about a 150 grit to get a quicker cut and then go up in grit to get the finer smoother cut. Great video 👍🏻.
@radozeman
@radozeman Жыл бұрын
Given how far off this one was, I probably should have yes!
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