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How to port and polish a 500hp Nissan SR20DET head part3..

Also parts 1/2..In this final vid on port and polishing the 500 horsepowered SR20DET PART 1 http://www.youtube.com/watch?v=FhhyOdFyAcE PART 2 http://www.youtube.com/watch?v=av8yTxTm9hE


 


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Cylinder Head 105 - Valve Job Basics
Valves not sealing? Valves not bent? This is how you fix that problem. In this video I outline the basic valve job procedure. Cleaning the valves, cleaning the seats, cleaning the combustion chamber and lapping the valves in to make a better seal. Here I cover the process start-to-finish. It's the same exact process for pretty much all non-rotary combustion engines. It takes patience and perseverance to do this job, but anyone can do it. Reference your service manual for measurements and service limits. Everything else that's not in your service manual is in this video. I apologize for not having broken busted crap to work with in this video. It's more beneficial to all of you when bad fortune falls on me because it gets well documented, and many people watching these videos are looking for answers. If you have bent valves, you will discover it quickly once you chuck one up in the drill. You'll see the face of the valve wobble around while it spins. You'll see evidence of this damage on the valve seat. If it's bad, you may see damage on the valve guides in the form of cracks or missing pieces where the valve guides protrude through the head ports. Give all that stuff a good visual inspection. ...and if you doubt yourself, never hesitate to get a second opinion or consult a machine shop. They will have access to expensive tools that you wont find in your average gearhead's garage.





How to Port and polish a 500hp Nissan SR20DET Head Part2
*****3 PARTS***** I show you a port job on a SR20DET S13 Nissan head,plus some good infomation for you on porting these heads and on tooling tips... PART 1 http://www.youtube.com/watch?v=FhhyOdFyAcE PART 3 http://www.youtube.com/watch?v=Rdc4HdO0ZXE





Casting 441 Ported Head TRUE Three Angle Valve Job 9.
Three Angle Valve Job done RIGHT!!! while lapping is still used as an indicator of roundness, nothing beats the Valve Seat Concentric Gauge, which I use on all HP valve jobs at no more than .0012 seat runnout ( I always try for less than .001). http://www.headbytes.com or call 615-212-7168





DIY: Porting & Polishing a Throttle Body
Video tutorial on how to port and polish a vehicle's throttle body. In order to do this procedure, you must remove the throttle body from the engine so you can probably polish and port the throttle body and the material shavings do not enter the engine. This isn't much of a horsepower increase if any, but it does help with throttle response. Do not remove any material from around where the throttle plate touches in the bore either. Also when doing this procedure, I would recommend purchasing a new throttle body gasket so you won't have any vacuum leaks once reinstalling. Make sure you don't take off too much material either where it will affect the structural integrity of the throttle body. When doing this type of work, make sure you wear safety glasses for your own person protection. Procedure: -remove the throttle body from the vehicle -clean any oily build-up inside of the throttle body -remove the butterfly from the throttle body, most are held in with 2 screws that go into the shaft -if you can, also remove the shaft and linkage (some shafts are pressed into bearings, other are not) -if you can't remove the shaft, no big deal you just have to work around it -tape around the shaft or the hole where the shaft was so no metal shavings get into that area and cause premature wear for the bushings or bearings -depending on the finish of the throttle body's bore, there may be edges which you can to smooth out -in order to smooth out those edges, you can use grinding stones for either a drill or rotary tool such as a Dremel -when using a grinding stone, it's best to use WD-40 penetrating oil with it so the aluminum material doesn't plug up the stone and it'll no longer cut away any material -once you are satisfied with the sharper edges being ground down, you can down move onto sanding drums for the rotary tool -you can also flare out the bore where the air enters slightly so it has a smoother air flow into the throttle body -you can even port match the throttle body to the intake if the throttle body is smaller -if you don't have access to a rotary tool and sanding drums, you can also use flap wheel drum sanders that can be used on a drill -the flap wheel drum sanders are available in a variety of grits such as 40, 50, 60, 80, 120, 180, 240, and 320 -when using the flap wheel drum sander, you can add water to help with finer sanding as to keep the dust down -if the surface isn't too porous such as what is shown in the video, start out with a finer grit like 120 and move your way up -once you have reached the highest grit in a flap wheel drum sander, you can now do some sanding by hand with 400 grit and add some water for lubrication -once satisfied with your product, you can now move up to an abrasive like Scotch Brite -depending on the color, will depending on how course the abrasive pad material is -I started out with green and then moved onto the red pad for the finest compound -you can also use water with this too to help finer sanding and to keep the dust down -again once you are satisfied, you can now move onto a metal polishing compound -the metal polishing compound I would recommend is Eagle One -apply the polishing compound paste and rub until highly mirrored finish (multiple coats can be applied to achieve a higher polished surface -once you are done with the bore, you can now move onto the throttle plate -most throttle plates are smooth to begin with so you can skip directly to the Scotch Brite stage using the same procedure and finally move onto the metal polishing compound -once done, you are ready to reassemble the throttle body -make sure you peen the thread of the screws on the other side to ensure they don't come out or apply Lock Tight thread sealant -install new throttle body gasket along with throttle body to your vehicle Thank you to all those who watch my videos and support my content. Don't forget to subscribe to my channel for future tutorial videos and like my video if you found it helpful. New videos are always being uploaded every week! Please LIKE my Facebook page @ http://www.facebook.com/pages/4Diyers/106898752724865 or FOLLOW me on Twitter @ https://twitter.com/4DIYers © 4DIYers 2013 All Rights Reserved No part of this video or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of the author.





Throttle Body Port and Polish on a 2006 Chrysler 300
Throttle Body Port and Polish on a 2006 Chrysler 300. Turned out well, it was my first one ever done so it should go way easier next time. Car drove perfect, no issues at all. I didn't notice a horsepower Boost but the throttle response is quicker for sure.





Volvo Engine head porting/ matching exhaust
Gasket matching my Exhaust port on the head. Nothing spectacular and quite boring to watch but quite tricky to do. The point on this "process" is to align correctly the Exhaust port with the Exhaust manifold to allow gas to flow without turbulence. it can exit faster and let more fresh air come inside the cylinder. In the same time the shape of this port is important : the very light conical shape is a good and reliable design for Exhaust. the point is to grind very far to have a tight curve and not only grind to match.





Porting an aluminum intake manifold, basics of porting and polishing.mpg
Porting and Polishing Basics. Porting on an aluminum intake. A few principles and techniques for porting. The therory and approach discussed can be applied to porting most intakes and porting and polishing in general. Abrasives, carbide burrs, surface finish, porting tools and tips. Equipment from CC Specialty Tools (ccspecialtytool.com)





NRE University: Cylinder Head Secrets. Pt 1 of 2. Nelson Racing Eng. Camaro, Corvette,Cadillac.
Join NRE's Tom Nelson visit to the West Coast Cylinder Head facility and see how NRE heads go through a thorough process of modification before use by NRE. More videos at http://nelsonracingengines.com. Very Interesting. Also go to http://VeritasMovieStudio.com.





How to port and polish high performance v8 heads,tips,tricks and trade secrets exposed
*******CHECK OUT PART 2 ***** http://www.youtube.com/watch?v=sZDlZxqRVJw COMBUSTION CHAMBERS http://www.youtube.com/watch?v=D63jgJs95gY DEGREE CAMSHAFTS http://www.youtube.com/watch?v=azLX1pi2oVE I look at porting and polishing high performance heads,I been building engines for 30 years, most of that time in research and development,I explain in real simple terms air flows and velocities,these 308ci General Motors Holden heads have been transformed over 70 hours,I show you all the do's and dont's,keep a lookout for the rest of the rebuild vids, as we head into final assembly,especially dialing in camshaft's,compression ratio's and everything else that makes internal combustion engines cranky,Aussie Heads and Race Engines-One Man One Shop





Cylinder Head 106 - Casting & Porting Tech
Description. No really guys, what can I type here? I just went on for 18 minutes without shutting up. I apologize for deviating from my normal format, but we're almost there... ...when I port a head, there will be no voiceover, and it will be a 200-series video.





NISSAN SR20DE ENGINE 早回し組み付け 1時間50分を約4分にしてみました。
日産シルビアなどに搭載されている、SR20DEエンジンの組 み付けを早回しで4分に収めてみました。基本的にSR20DET ンジンも、オイルジェット(ピストンクーラー)の違い らいでほぼ同じです。そのうちきちっと編集してヤフ クに出します。





greddy knockoff intake manifold for sr20det s13
I recently purchased a greddy knock off intake manifold off ebay and wanted to see what the quality was. It was ok but a couple issues are the factory fuel rail bolt hole do not line up perfectly and the electroplated chrome is easy to flake off. I am unsure if i will install in onto my motor. leave a comment if you have installed it on your car and if you liked it. I would encourage any feedback on this with the knockoff and the genuine part. thanks for watching





Cutting Excess Guide from ProComp 210 SBC Head, custom Porting Combustion Chambers 4
Part Four of Port modificatins on ProComp 210cc aluminum SBC heads. Guide over hang from installation and correcting the combustion chambers to unshroud the spark plug is a big deal on these heads. China castings leave a lot to be desired, but still with all the work you must do it is still the bargin of the year and is a force to be reckond with when "bang per buck" is needed. The base of the spark plug should not be exposed in the chamber, and any valve guide "Overhang" will obstruck flow and create fuel "sheer" which seperates vapor to droplets that wont burn. Most Big Name companies will not take time to detial these issues as production cost prohibit these mods, so have your local machine shop take apart your heads and look for these problems before you bolt them on your prize engine. www.headbytes.com 615-212-7168





How to port and polish high performance v8 heads,tips,tricks and trade secrets exposed part2
I'll show you some port work and explain how and where to port/polish heads,I 'll show you some simple mandrals I made to get right down the whole port,and some tips on making polishing cheaper on your materials,quicker and achieve better finishers





sr20det full rebuild
full rebuild ,all parts news + garret gt2871r,264/264 cams,modified head engine , etcetcetc............





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