cylinder bore measuring

[LTb1ow]

Any one have any good online articles or even a book to look into on this?

[sweetbmxrider]

you need real specific? cause a micrometer works alright

[LTb1ow]

How would you measure inside the bore with a micrometer? Do tell.

No, I am looking for a book or a few good articles on doing engine work yourself.

[WildBillyT]

http://www.amazon.com/b?ie=UTF8&node=15708741

You may be able to get a better prices somewhere else. Or borrow one from a mechanic/buddy.

[LTb1ow]

Yea I am aware of the tool itself, just want some reading material on the correct usage.

[WildBillyT]

http://www.sunnen.com/graphics/asset...772d3c82e8.pdf

???

[LTb1ow]

Sorry, should be more specific... like how to use it in terms of what values are good, where to take measurements, and what to do with the measurements gotten...

[WildBillyT]

What are you trying to accomplish?

[sweetbmxrider]

with my heads off, i measured my bores. 4.000"

the top style......



doesn't measure the entire cylinder and isn't proper i'm sure, but just as a quick check for stock bore, it worked.

[WildBillyT]

Originally Posted by sweetbmxrider

with my heads off, i measured my bores. 4.000"

the top style......



doesn't measure the entire cylinder and isn't proper i'm sure, but just as a quick check for stock bore, it worked.

Yes, but a dial caliper doesn't take into account the ridge at the top of a worn bore.

[Pampered-Z]

Not sure if any one book will covers everything.

To measure the bores you actually need a tool designed to do just that, you are going to measure down and around the entire bore. You're looking for it to be true within a certain amount. You cannot just measure one area, such as the top. Once you have all the information from all the cylinders, then you can determine if you need to overbore the cylinders.

I won't be getting home for a few weeks, but I have a couple good books, I'll get the info to you, Lingenfelter has a good book, it's one that I do have:

http://www.lingenfelter.com/mm5/merc...egory_Code=P03

Also, how to rebuild a SBC is a book.

http://www.mre-books.com/chevy/engin...nge/index.html

[Featherburner]

This book has a good amount of what you need.
http://www.amazon.com/Rebuild-Small-.../dp/1557883939

[LTb1ow]

Originally Posted by WildBillyT

What are you trying to accomplish?

Just brain storming at the moment, thanks for the links guys.

[91chevywt]

I use telescoping gauges and a digital caliper. you could use a micrometer at that point or a dial caliper, whatever you want. The measurements will only be accurate if you use them properly and have an acurrate measuring instrument.

http://www.bsbridge.com/TelescopicGaugeABCDEF.jpg

Before you start spending on measuring equipment think about what you want to do. You can measure out your block all you want, but if you are going to take it to a machinist your measurements won't mean crap. He's going to check everything himself regardless and give his opinion. If you are just going to be sticking stuff together or doing most of the work yourself it can be helpful to know where everything is at.

I generally measure cylinders at 6 points. Top of the bore below the ridge perpendicular and parallel to the crank, middle of the bore perpendicular and parallel to the crank, and the bottom of the bore perpendicular and parallel to the crank. Doing this you can see how out of round and tapered the cylinder is. Thats how I was taught to do it.

[ib4200]

old school with a T-gauge and micrometer if you just want a baseline