Cylinder Block Machining Video - Engine Building DVD

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Basic Engine Building DVD - Chapter 25: Cylinder Block

By this time your block is disassembled and in the machine shop. One of the most informative sections, here we take you behind the scenes to show what goes on while your away. We show the process of align honing the main bearing bore that is needed before anything else can be machined. Then the block deck is leveled and machined as needed for the new head gaskets to seat properly. And finally the cylinder walls are bored out just shy of their new size, which will be achieved when they're honed.

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.

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Category:

Autos & Vehicles

Tags:

• how
• to
• engine
• rebuilding
• motor
• rebuild
• piston
• cylinder
• block
• wall
• machine
• shop
• V8
• V6
• torque
• specs
• firing
• order
• dvd
• video

[Boredout454]

Boring for some engines can go over .120 not just .060 over. So they do make pistons larger then .060 over.

[BoxWrench]

@Boredout454 yes, you're correct. There are plenty of over sized pistons beyond the 0.060" range.

However, the stock replacement ranges are limited to .010 .020 .030 .040 and .060 anything larger needs to come from a custom piston manufacture or custom order from one of the OEMs.

We even talked to one of our OEM manufacture sponsors a while back and asked why there is no .050 over stock piston... they said "it's just that way".

so much for a complete answer.

[Sonicku]

If you cut the bore that means you wont be able to use the original factory pistons right? because the bore is now bigger?

or is their like speacial piston rings that would be able to close the Gap? or would one need new bigger pistons?

[BoxWrench]

@Sonicku yes, if you bore out the cylinder, you absolutely have to replace the pistons.

There are no replacement piston rings that can 'take up the slack' of the bore. An average bore increase is at least 0.010" (ten thousandths of an inch). Although it sounds like a small increment, it's a large difference in the diameter of the cylinder bore and will require a new larger piston diameter to allow for proper sealing of the bore with, of course, new piston rings as well.

[DevinWhiteman]

i want to start a project building a V8 from scratch, I really dont have any mechanic experience or any thing. Is it possible for the average guy to try to do this in their garage, and if so does anybody know any good guides, and where to start on a project like this for a beginner?

[BoxWrench]

@DevinWhiteman easiest thing to do if you want to experiment with building a V8 engine from scratch is to first get ahold of one. You could probably find a junk engine (get a full long-block with the heads included) pretty easily and then get it home and put it on an engine stand.

After that you pull it apart and start the visual inspection.

If you want to follow along from the disassembly, to the machining required to the pre-assembly and then final assembly and sealing... you can get our DVD

[deaftodd]

Looks like a "boring" job!

[FrenchValleyAirport]

whats a piston? lmao jk

[Hawk6DM]

@TeeWeeQcKsteel By boring the cylinders, you slightly increase the volume both at top dead center and at bottom dead center. This results in a slightly higher compression ratio if the pistons are at the same height in th eblock. This could result in a very slight gain in horsepower and torque. Most people who claim a gain in horsepower are feeling the effects of a freshly rebuilt engine which will have a significant improvement in a worn out engine.

[RustyNex]

the boring machine sounds exciting!

[ozcampa]

Awesome..

[zaknafein641]

@deaftodd Looks like you're either stupid or young, who knows maybe both...

[iLOVENATURE2011]

interesting video....=)

[malkooth]

@deaftodd Jesus Christ dude. 

[TeeWeeQcKsteel]

@BoxWrench I've heard that many people think from over sized pistons they gain some horse power.

In my opinion that's like dropping a stone into water. What do you think about that? It is measurable?

[motabikeboy]

@winterka100

Haha, double wammy mate!