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http://boxwrench.3dcartstores.com/Basic-Engine-Building-DVD_p_0-8.html
Click here for the "Basic Engine Building" DVD
Basic Engine Building DVD - Chapter 17: Pistons
By this section you'll be ready to remove the pistons, starting with the rod caps. You'll also get to see the crankshaft, rod bearings and journals for the first time and inspect them for damage as they come out. Great tips on protecting the cylinder bore while removing the pistons and connecting rods. We don't recommend using a ridge reamer to make this easier. As your block will need to go the a machine shop anyway. They are likely to damage your cylinder walls and are hard to use.
BoxWrench.net is a community and resource designed for automotive enthusiasts. The Basic Engine Building DVD is over three hours of engine building that covers everything from removal and disassembly to final assembly and engine start-up. This is the ultimate DVD for any home mechanic or engine enthusiast that wants to see a complete rebuild from Teardown to Start-Up. This video can be used to learn how to work on almost any type of internal combustion engine including V8, V6, Straight 8, in-line 6 and even 4 cylinder engines. All of the interactive features and menus will not work over YouTube.
This video is great for people interested in car repair, car care, and restoration. As well as hot rods, muscle cars, performance parts, and boosting horsepower. It can also help you to gain knowledge for increasing fuel economy, how to lower your emissions, and covers preventative maintenance to avoid little things like overheating.
Get the full DVD with all of the interactive menus, Tools section and engine Glossary terms here...
http://boxwrench.3dcartstores.com/Basic-Engine-Building-DVD_p_0-8.html
Don't forget our Holley Installation & Tuning DVD. Sample clips on our youtube page and at our store here...
http://boxwrench.3dcartstores.com/Holley-Install-Tuning-DVD_p_14-12.html
http://www.boxwrench.net - Educating the Automotive Enthusiast!
they can weld it. but this is not advisable.
you may end up with a two piece crank!!
The machine shop can measure the crank journals with a micrometer and let you know whether it is reusable, machinable, or junk. One worst case scenario for most engines crankshafts is when the crank has been previously cut on either main or rod journals at 0.030. This is the absolute limit for most cranks as engine bearing manufacturers don't make bearings any larger than 0.030 oversize.
If your 0.030 over crank journal is damaged, the crank is likely junk.
In a stock engine rebuild or a build-up that you would like to get some longevity out of, we'd agree not to re-use pistons.
However, many engine builders pull apart performance engine on a regular basis (such as drag racers who change internal pieces such as bearings regularly). In cases where the engine has only been run for a short time or a couple hundred to a couple thousand miles of use, often it's perfectly ok to re-use pistons. They absolutely must pass inspections though...
Do not ever re-use pistons.
it's just stupid.
about d crank... will u replace it or u can stil revive it by machine shops??
By pipidodo [Affiliate User] 1221561210 Reply Spam [+0] Moderate Up Moderate Down Removei have a 93 nissan sentra i think the piston ring are broken, but iam not should, the engine should does not sound the same, it sound like a model T. anyone can give some pointer
By hispanicuscorpus [Affiliate User] 1221306389 Reply Spam [+0] Moderate Up Moderate Down RemoveI love my car sooo much, that i would rebuild the engine to make it last that much longer. Plus if you want to make some nice power you can add in performance parts when you rebuild it. Just two of the reasons i would rebuild my engine.
By eibomz [Affiliate User] 1220226509 Reply Spam [+0] Moderate Up Moderate Down RemoveIm 17 and ive rebuilt over 20 small engines and 3 4 cyl engines. IT IS NOT VERY DIFFICULT
By dipshit782 [Affiliate User] 1216957881 Reply Spam [+0] Moderate Up Moderate Down RemoveMost people have engines rebuilt because the piston comes up at an angle, and gradually widens the bore in the cylinder, and then the petrol will go into the sump thus making the engine gradually inefficient. That's just one reason.
By TWINTURBOSky [Affiliate User] 1216279912 Reply Spam [+0] Moderate Up Moderate Down Removewho here would rebuild a car if they could? CAN ANYONE TELL ME WHY YOU WOULD WANT TO REBUILD A CAR, BECAUSE MY SISTER THINKS NOONE DOES IT, AND SHE THINKS ITS STUPID SO I JUST WANT SUMTHING TO SHOW HER TO SAY YES PEOPLE DO REBUILD CARS THANX.
By BASSCHAMP101 [Affiliate User] 1215295571 Reply Spam [+0] Moderate Up Moderate Down Removewhen at that point (where you have removed the cyl head) it is best to remove all pistons and inspect the block + replace all piston rings (it only does good to the engine) + measuring the cylinders to see if the have become oval or if its been bored before (which is the case where u use oversised rings),if i where to do that i would remove the crankshaft first rather than trying to removethe pistons like that.anyways nice technique though..i didnt know this way.cheers.
By panoulis20 [Affiliate User] 1208602608 Reply Spam [+0] Moderate Up Moderate Down Removethe ridge reamer is a bad tool if you dont know what you are doing. I set the reamer against the piston to keep it square. Only a flat top piston lol. not a wedge does a pretty good job of removing that ugly edge if you are careful. remove as little as possible! great vid
By enginemasterbuilder [Affiliate User] 1203629860 Reply Spam [+0] Moderate Up Moderate Down Removewow, your videos are really good, i think im gana buy some DVDs 4 u guys, thanks!!
By adrianmusclecar [Affiliate User] 1203121825 Reply Spam [+0] Moderate Up Moderate Down RemoveThanks very much! We all grew up reading and working from printed manuals, that's the whole point of BoxWrench is to take the how-to process to the next level of video step-by-step.
By BoxWrench [Affiliate User] 1201808203 Reply Spam [+0] Moderate Up Moderate Down RemoveYou guys have the best videos and books.I've been reading chilton/haynes for years but nothings comes to the step by step videos i love it.
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