What Are Abradable Coatings On Pistons? Is It Worth Adding?

What Are Abradable Coatings On Pistons? Is It Worth Adding? - Jays Tech Tip

Рет қаралды 15,839

Күн бұрын

We are almost at 100K subscribers! Share this video to help us get there. In todays video Jay goes over Abradable coating on pistons. What they are, and how you can benefit from them in your engine. Abradable coating is a coating that is applied to a component to tighten its operating clearance while offering protection from metal to metal contact.
This coating has excellent conformability, and have been used in the aircraft industry for over 50 years. You can also find these on turbochargers, superchargers, oil pumps, and pistons skirts. If you enjoyed todays video, Please give it a share.
Jay's recommended coating company: www.line2linecoatings.com/
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Пікірлер: 66

@realstreetperformance Жыл бұрын

Thanks for watching everyone! Here is Jay's recommended coating company we mentioned in the video: www.line2linecoatings.com/

@allenl9031 Жыл бұрын

Line2Line was just featured in a Steve Morris Engines video, looks like it will see a lot more race builder applications.

@kenhunt Жыл бұрын

I thought we were talking about adorable coatings for a second....

@realstreetperformance Жыл бұрын

Haha! 😂

@904jaymaal Жыл бұрын

That's what I thought it was at first glance too.

@krispykruzer Жыл бұрын

Yep, I had to read it again

@mezemos Жыл бұрын

Laying down the amazing schooling as always. Thanks Jay.

@realstreetperformance Жыл бұрын

My pleasure! - Jay

@gfalcone28 Жыл бұрын

Love the informative content coming from real street and Jay himself

@realstreetperformance Жыл бұрын

We are happy you love it. Thank you! - Jay

@h34evr Жыл бұрын

Also, in regards to a jet engine. The blades actually lengthen the longer they are run due to high heat and centrifugal forces which is also part of the reason for the abradable shroud

@jaymeagher1510 Жыл бұрын

When I read that the SR71 engine grows 6 inches in length at temp I was blown away.... tolerances, tolerances... Wild stuff! Thanks

@h34evr Жыл бұрын

@@jaymeagher1510 the sr71 had gaps in the fuel tank and used to leak when it was at ambient temperature too. Only once it went supersonic, the friction on the fuselage would heat it up enough that it would expand and close all the gaps. Very extreme aircraft however. The civil aviation jet engines I work on aren't like that. They have tight tolerances throughout.

@jaymeagher1510 Жыл бұрын

@@h34evr Amazing isn't it? There was a spec sheet for how many drips of fuel per minute was allowable. The body panels were the outer skin of the fuel tank! I get to have breakfast with a man that worked on that project. He say to labor and cost prohibited to keep them leak free! Thanks

@h34evr Жыл бұрын

@@jaymeagher1510 same with commercial aviation. Everything has a certain drop per minute leak rate that is allowable if the right parts aren't available to fix it or time is prohibitive Pretty cool that he got to work on them! Probably my fav aircraft. So many incredible stories came about because of that aircrafts incredible performance.

@jaymeagher1510 Жыл бұрын

@@h34evr That's great that you have work you enjoy!

@andykerr3803 Жыл бұрын

Short and sweet 👍 Learned a lot 😊

@williamobrien6436 Жыл бұрын

very cool information, it is great to see some actual components! I was on the fence for my next set of pistons but you may have made up my mind.

@jobspeedmms Жыл бұрын

the explanation is easy to understand sir about the coating on the piston

@aaronpotter7559 Жыл бұрын

This channel is very cool. So informative. I'm very thankful.

@realstreetperformance Жыл бұрын

Our pleasure!

@tthams73 8 ай бұрын

Machine the cylinders correctly to the specification provided by the Piston manufacturer. Gap your rings correctly. If you want a heat and friction resistant coating use Cerakote.

@Chris-pd4gz 4 ай бұрын

Thank you❤ Now all my insecurities about that topic are eliminated. I'm gonna go for it on my new engine build!

@justinranes3351 Жыл бұрын

Love it

@realstreetperformance Жыл бұрын

Thanks, Justin!

@ToprankImporters Жыл бұрын

I also did some hard anodizing on a set of pistons, which worked out well.

@jaymeagher1510 Жыл бұрын

That's more for rejecting heat from the part. Thanks

@ToprankImporters Жыл бұрын

@@jaymeagher1510 "Hard Anodizing is generally used for applications that need a corrosion, abrasion, and wear resistant coating."

@jaymeagher1510 Жыл бұрын

@@ToprankImporters We're saying the same thing. This coating would complement a hard coat well. I think more people tend to under estimate the bore/rings needs for lubrication. Especially with alcohol based fuels. Thanks

@richardknight1258 Жыл бұрын

Good afternoon teacher Jay.

@realstreetperformance Жыл бұрын

Hello there!

@jaymeagher1510 Жыл бұрын

Howdy

@dillardfs Жыл бұрын

Will this work on outboard engines ,thanks for any information.

@miquelanesto1762 Жыл бұрын

Perfect for those diesel motors that are a little oversized on the bore.

@uknterror508 Жыл бұрын

Its crazy that I just so happened to experience the same scenario where my engine failed, not due to excessive p2w however my p2w is excessive and I was ready to let it rock as is. Now I have no excuse if I decide to do so while knowing this is an option

@ramb0r0kr888 Жыл бұрын

Is this a good idea for used pistons? I removed mine and cleaned it with Chem-dip. Just not sure if I should do skirt coating for restoration of loss factory coating or just WPC treat it instead. I’ve never seen a new k24 factory piston before so I don’t if from the factory they add a coating to make the skirt perfectly smooth over the horizontal lines from the machining.

@tajypops123 Жыл бұрын

Is this the same or different to molybdenum coating? I've just had my piston skirts and cam bearing tunnels molybdenum coated.

@Altanabstick Жыл бұрын

Cool content, very interesting! What does a typical run-in period look like? And how long is the coating expect to last in a street run engine?

@realstreetperformance Жыл бұрын

Once break in is completed the coating should stay on the part indefinitely. The coating only comes off if it comes into contact with something else.

@Altanabstick Жыл бұрын

@@realstreetperformance cool, thanks for taking the time to answer

@WyFoster Жыл бұрын

Jay, have you guys done anything with hard anodized pistons? I'm curious on the subject.

@jaymeagher1510 Жыл бұрын

I've used them however I don't have a conclusive outcome. I know in top fuel it's a must, in milder engines I suppose letting the heat dissipate through the piston (cooled from the oil on the bottom" and through the chamber should be good for normalized temps. I'd say it depends on the engine! Thanks

@DS-ed9nn Жыл бұрын

love your videos. just wondering, what would you say is a reliable hp number for a regularly driven car that you want to last a while? 100hp per cylinder?

@jaymeagher1510 Жыл бұрын

That depends on the engine platform and it's original power level. Generally OEM turbocharged engines have a higher ceiling than NA but some really good NA engines like the F20C or Coyote deal well with over 100hp per cylinder in stock form. Also you have to define "regularly driven", some people are down right destructive and others are just doing a couple rips here and there. Thanks

@HonestEvolution795 10 ай бұрын

I’m wondering why my tomei pistons didn’t come with coating?

@borisp9499 10 ай бұрын

Can you use this coating on Alusil?

@garysgarage.2841 Ай бұрын

Can I coat my tires with this so they last longer

@ricepony33 Жыл бұрын

Jay can you cover WPC treatment?

@jaymeagher1510 Жыл бұрын

Sure, what parts would you like to see before and after on? Thanks

@karlvanboxel561 Жыл бұрын

I would have thought the abradable coating would just continue on its wear rate thru usage and how many kilometres can one expect with average usage. Gd vid

@realstreetperformance Жыл бұрын

All depends on the setup. You can see great results if done correctly.

@camrongoodall Жыл бұрын

What about wpc treating the piston skirts and cylinder wall wouldn't that be more effective?

@MellowYe77ow Жыл бұрын

Depends on the engine build that you're gong for. The MotoIQ channel has a good video on WPC treatment. He briefly goes over coating the skirts, or WPC treating them.

@realstreetperformance Жыл бұрын

The same benefit of changing the surface finish with WPC is had with an abradable coating. The main difference is that abradable coating changes the dimension of the part but a WPC coating does not.

@ryanwalsh3966 Жыл бұрын

@@realstreetperformancejay along this same question, i was looking at WPC. I am doing a stroker kit on Hemi engine. My assumption was the additional piston rock with the stroker kit would be more beneficial with the abradeable coating being that it should hold the piston more square in the bore?

@nathaninwa240z Жыл бұрын

Is this coating something that can be added later, like the old coating removed and this coating put on?

@realstreetperformance Жыл бұрын

Yes

@horacecunningham7832 Жыл бұрын

How long would this last if I was to recoat a piston?

@jaymeagher1510 Жыл бұрын

Once it's stabile the coating should stay intact for a long time. Ford was using a similar process on the 4.6 2V in the early 90's and it was always present when I broke those engines down. Thanks

@probuiltatv5271 Жыл бұрын

Not sure if you ever covered this before but what is your procedure for lubricating pistons when installing? Some say dry install and some put a lot of oil. Just curious what your opinion is.

@realstreetperformance Жыл бұрын

Jay Lubricates the Piston Skirts and Cylinder walls with a 30W non detergent motor oil during install. Not too much because anything extra is just going to start dripping down the bore, maybe even into places where it shouldn't.

@michellekinnee-williams5239 Жыл бұрын

Jay can you build me a turbo bike? Love the videos!!

@supernice_auto Жыл бұрын

i talked to him he said no

@Rekoyl116 Жыл бұрын

@@supernice_auto hahaha

@durin23 Жыл бұрын

coatings on pistons might come off from e85 use if not done properly,they will come off and clog the oil pickup tube and ultimately destroy your engine,im surprised jay didnt mention such risks.

@realstreetperformance Жыл бұрын

I've seen that with other coatings but have not experienced delamination with this coating. -Jay