How To Measure Piston To Wall Clearance On Your Engine - Step By Step

In todays video Jay covers how to measure piston to wall clearance and there is a lot to learn here. This is one of the important measurements needed during the engine assembly. In this step, you have the ability to setup the engine correctly. If your engine will be Boosted, Nitrous, or Naturally aspirated, You want to make sure you install the correct size parts to allow the engine to perform It's best and live a long life. If you have any questions feel free to leave a comment.
Watch our previous video on How To Measure Bearing Clearances On Your Engine - Step By Step: • How To Measure Bearing...
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[@syn80]

#MurdaSquad can't wait to see the episode with Murda and Jay! 👏👍Thanks for the opportunity Jay, means a lot to us fans.

[@MrFoxi1337]

Lets go! Thank you for helping out Murda #MurdaSquad

[@thedele6139]

Here from Murda squad. Great info and super well done! Cool to see communities collab

[@X3V1OUS]

#MurdaSquad if I ever get my JZX100 down in Florida one day I'll pay a visit :)

[@tambambam]

Be a part of something amazing! #motorformurda #murdasquad

[@strawmannhonda529]

Thanks to guys like you, I have successfully built a boosted daily Honda Civic...Rod piston cam valves etc... 4000 miles later on 16 psi it still lives, Thank you.......

[@Ryan-lp7ms]

Thank you for helping Murde squad It means a lot

[@rrittenhouse]

THANK YOU for helping out MurdaSquad! New sub here! Great channel btw!

[@T_Smooth_]

Hook our boy Murda up with a motor!!!

[@smittyn804]

#MurdaSquad We got some awesome help from Real St. and we goin' to Florida! Didn't know Real St. had content like this. As a parts guy I can definitely get into this.

[@rickysmith7879]

Yo thanks for hooking up #MURDASQUAD

[@tambambam]

Hell to the yeah! Thank you for working with Murda! #murdasquad

[@Spynda1]

Great videos, thanks to Murda for showing. Subscribed.

[@zippytippy]

Nice channel, Murda sent me. 😀

[@tracestroub5225]

This video is top notch. Thanks Jay!

[@neodroid2000]

#MurdaSquad help murda build a engine! He the realist and one of the most dedicated people on the social media car scene.

[@skyu777ayala2]

Jay, you need to make a 2jz build bible.

[@gasp9911]

Hook that man Murda up! #murdasquad #motor4murda

[@silentbreezy1519]

#MurdaSquad

[@duffledawg2928]

New favorite channel. Thanks all you folks

[@Joe4USMC]

Jay, thank you for sharing your expertise. You explain things very well. I love your videos. Thank you!

[@jizzi28]

Hook up Murda with and engine he will not let you guys down he goes above and beyond doing what he loves Racing

[@kelvinfrederick-o747]

Thanks for sharing very detailed tutorial learnt alot

[@SandyG3TX]

Can't wait for your engine build with Murda. You will not have a better person to represent you. Just found your page through Murdas shout-out. Great content and keep it up!!!

[@notfordrivers]

Thanks for the informative video Jay

[@MichiganTrailRider]

Jay this is why I have been a long time subscriber and purchase all of my Honda parts from real street. !!!!

[@steveguest8028]

Very well explained video thanks 👍

[@user-pe4xk7po8s]

Very useful informations. Thank you

[@projecthonda]

Excellent builder

[@SRBigham]

Excellent video 👍🏻

[@Amt0357]

Murda squad in the house. looking forward to seeing Murda on an episode. 🚗💨

[@jorbedo]

Thanks for sharing!!

[@nathaninwa240z]

Fantastic video

[@straya_au_]

Murda squad

[@georgef1176]

Jay thank you so much for sharing your knowledge. I’m a fabricator and tech but I been learning more about engine building from you then anyplace else. Again thank you!

[@reubenmorris487]

What Jay does looks like more fun than my job...😶

[@tptrsn]

Thanks Jay!!

[@batesmclain2499]

Thank you for the info on PWC and how to measure this

[@thomasmurphy5906]

Thanks Jay

[@evo6swap]

Thank you

[@robertocervantesvega2384]

MurdaSquad in the house

[@harryloibl5183]

Thanks buddy 😊

[@thatdamnreapers2683]

Murda squad checking in LETS GOOOOO!

[@azza9575]

I've seen 3 thou clearance on a 2618 piston in a all out race ej25 built for time attack , engine is making around 580kw

[@dreisaproblem7106]

New sub from the #murdasquad. Love to see what's to come

[@boosted2.4_sky]

LET'S GO JAY!!!🏁
I run a 4032 Wiseco in an Ecotec..running ~20-27 psi..never had an issue..obviously tuning is key...I'm not trying to make "all the powers"..... it's a street car not a track car..☝️

[@TML34]

4032 FTW! The less heat expansion variables the better.

[@idotmyi]

#Murdasquad can’t wait to see the partnership.

[@andymcdo]

tolerance is a wonderful thing

[@Alvaro-sxRB]

Hello awesome video, I have a rb25det, do you have a table to all tolerances in different horsepower or setups? Thanks

[@bigflex1177]

Murdasquad needs block, motor something. Squad needs the IS300 back zoomin

[@nonfatalfonso]

murda squad checkin in

[@darrenhilliard433]

jay 💓

[@beachboardfan9544]

Have you ever tried gapless rings? If so whats your opinion?

[@wetwilly88]

LFG!!!!!!! MurdaSquad!!!!!!

[@paulkline1522]

Should target clearances depend of fuel used? ie methanol?

[@ghoulish75s78]

Thanks from #Murdasquad

[@marinoporopat]

Shouldn’t the L19 bolts/fasteners be handled using gloves since humidity and/or fingers acidity can harm the material?

[@tomrogers7]

Hi Jay, interesting to see the influence on measurements of the torque plate. Most people don’t have that luxury. What sort of gains (power and reliability) would be expected by using a torque plate as part of an engine build process whilst machining and measuring? Also could you heat block with torque plate fitted and re measure to see how it influences the recorded dimension? Thanks for the video

[@toyorover1313]

Any machine shop should bore/ hone with a torque plate. At home to verify, torque the head on and measure from underneath.

[@Nicatlotus]

I have seen differences of up tp .002" in piston clearance without a torque plate. It is almost like the measurments without a torque plate arent even valid.

[@isobozo]

MurdaSquad!!

[@tomashton1781]

take the top ring and square it up to where it sits in the bottom of the bore, then compare the measurement where the ring sits at the top of the bore, there is a slight difference.

[@always4wd651]

let's goooo #MurdaSquad

[@julianlaustsen1991]

can u use telescopic rod measure for the inside? not sure if it's the right name, but it looks like a T and u put inside the micrometer after having it inside the cylinder.

[@Jake39019]

I run .025" ptw only because that's what wiesco called for. Car makes 430whp on a 7m

[@matthewstorm5188]

.025” PTW??? Remind me NEVER to buy Wiseco.

[@Jake39019]

Def meant to write .0025

[@flyonbyya]

I’ve watched bout all of jays videos and have never seen him ever use a cordless to zip fasteners on or off…
I fully understand that all the fasteners need to be torqued, but he could still zip em up n down to save time.
Any reason why he doesn’t use a cordless ?

[@beachboardfan9544]

Why not put a ring at the bottom-ish of the piston skirt to stabilize it in the bore. The farter apart the rings the less likely the piston is to rock/rotate in the bore right?

[@2stroke1971]

For all of us regular poor folk, who are re using the factory pistons and want to check them, FSM says the measuring point for pistons is 15mm up from the edge of the skirt. (for B18a1 at least)

[@slackerzsincity8822]

Man, I need 1 of those torque block.

[@pingpong9656]

Does anyone know if it is normal for new piston rings to make a slight scraping noise?
I even uninstalled to make sure rings and cylinder wall were good, and they were.
Is this normal for rings riding on a newly deglazed cylinder wall?

[@CanIbeFrank]

I was the 667th like. 👍

[@jasonhuber3236]

Engine "program." I like this more than engine "build." It makes more literal sense.

[@bluedunn374]

Please do ring gaps next, im sick of all the bs from engine builders thinking they are proprietary. thanks for this at least, keep it up.

[@sethclark9897]

Any ring pack you buy comes with suggested ring gaps for everything from NA, to high boost and nitrous motors.

[@moedigzz]

@@sethclark9897 yes, they give you suggestions. Thos gaps are much larger than optimal for all applications listed.

[@tagis8281]

He did a really good ring filing video already I highly recommend watching it before doing your own rings. Its the best vid on youtube for ring filling.

[@lazmartinez1605]

Where can I get dos tools

[@mustafasumer3160]

I have a question if anybody can answer, what is the term in English or a word (verb or adj.) using when the cylinder diameter expanded and the piston goes free to move inside?

[@robertoudokrapf453]

OLÁ. Quando o pistão possue película deslisante na saia de pistão o local de medição não possue a pelicula. Quando o pistão NÃO possue a película o ponto de medição deve ser procurado pois pode mudar de uma marca para outra e de um modelo para outro. ABRAÇOS

[@spoolinekrhdhulk-urban-c-w5709]

Always technology here

[@carlosmarquez3844]

So that head gasket is garbage after the measurement?

[@Nehstea]

“building murdas 2jz” video coming soon

[@Pereke69]

So hard working with imperial units

[@machgaminginc7898]

MurdaSquad

[@dannylsx4567]

#murdasquad Hook up Murda with and engine he will not let you guys down

[@aragrox]

I can't find solid info on measurements using a torque plate vs none.

[@haryryz3182]

ring gap???

[@ngt84]

Too much clearance have screwed three street engines for me with 2000 miles... Over 2 thousands wear on the bore where the skirt is hitting. Also excessive blow by in high rpm.

[@moedigzz]

Tuning errors can cause piston skirt damage and score the cylinder bores. I made a stupid mistake on a personal sleeved 2.0 LSv, changed the map sensor and didn't re-scale the ignition map. Pistons nearly seized in the bores because of the extra heat. The piston crowns were perfect, the cylinders and piston skirts were fooked.

[@ngt84]

@@moedigzz Well i can send you a pic where the piston is perfect but its slightly wornl in edge areas at the skirt (not at the correct area) because of the loose tolerances, bore on the other hand was abysmall. Its like the aluminium piston was harder than the cast iron block and wore away the engine block where the skirts were rocking. So loose tolerances is a no no for me for street cars... Tolerances were 4.5-5 thou and the bore was worn only at the skirt area to 5.5-6 thou.

[@wgp05]

😊 😊😊😊 l

[@acurarl9929]

4 stone hone anyone!!!!!!! Say bye bye to eggs

[@summitsvift]

imperial inches are nighmare to measure

[@jimhiscott2918]

To viewers that don't know forged pistons expand a lot further but slower then oem cast pistons. It's very very important to let your engine get up to temp before hammering on it. Piston to wall clearance is extremly critical. DO NOT attempt to set this in your garage. It's just not going to properly happen. Call Jeff@CNC Werx to get the work you need done correctly.

[@mik823]

Why oh why are almost all of these mechanic content producers using annoying and distracting music? These videos are academic! Try too imagine yourself in a class room trying to take in a lesson with music playing in the background??? Shopping malls are an appropriate place for elevator music, not class rooms.

[@iEatAss7600]

#MurdaSquad

[@spryguy9023]

#MurdaSquad