Dial Bore Gauges on E-Bay

[BrianPaul69]

I know a few Hoonsters have been talkin about measuring their own cylinders and such and I found a few dial bore gages on e-bay that would help them out.

Auction ends Feb 7th ($45.00)

http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... 0482388894


Auction Ends Feb 9th ($35.00)

http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... 0598629241


Good Luck...

[blackz34]

I have one of those, but you need to be careful!

The dimension they tell aren't exact. If for exemple I put the 3.6" extension, well it is actually 3.624 on mine. So you would need to measure it before.

But it does work well for the price.

[BrianPaul69]

The correct way to set any dial bore gauge is with a micrometer. First set the micrometer to the exact size you want then put the bore gauge in the micrometer and adjust it to zero. I like about a full turn on the bore gauge so it has some pre-load but with this type you sort of get what you get. The bore gauge I have the anvils screw in so I can set it wherever I want.

[100hp honda]

im not sure if the 3.6 is meant to be a exact. seems they should just number the anvils 1,2,3,4,5 etc etc. my anvils cant adjust so i put micrometer on to get starting point then turn dial around 1 turn to 0 then measure. subtract what dial says from the micrometer and you got bore size

[BrianPaul69]

The 3.6 anvil means it measures in the 3.600" range or from 3.600 ~ 3.699 and you can move through that range with the 3 or 4 little washers they give you that go behind the anvils. What you said about them being exact, I'm not sure if a 3.6 anvil would actually get you down to 3.600 bore size or if you'd need to use a 3.5 with some washers. Anyway, as long as you can get it set with the micrometer it should be accurate.

[100hp honda]

The 3.6 anvil means it measures in the 3.600" range or from 3.600 ~ 3.699 and you can move through that range with the 3 or 4 little washers they give you that go behind the anvils.

that makes sense. i had to use one of the washers because using the anvil by itself was too small. next size anvil was too big.

you like the .0001 or .0005 gauge ? i have the .0001, still havent checked it against a "known" hole to see if its accuracy is correct. if its within a few ten thousands im happy. cheap chinese junk

[BrianPaul69]

I prefer the .0001 or ten thousandths gauges myself just so you can creep up on the number your shooting for a lot easier when honing a cylinder. I have a few of the .0005 half ten thousandths gauges that work fine for something that doesn't need to hold a very tight tolerance.

I found some really nice old gauges on e-bay in the past and they are very accurate. A Federal gauge is hard to beat and the other looks like the old sunnen gauge but its made by Yuasa. A few other good names are Boice and Fowler.

Here is another nice bore gauge made by SPi in Japan.

http://cgi.ebay.com/SPI-DIAL-BORE-GAGE- ... 0341956234

[100hp honda]

I prefer the .0001 or ten thousandths gauges myself just so you can creep up on the number your shooting for a lot easier when honing a cylinder. I have a few of the .0005 half ten thousandths gauges that work fine for something that doesn't need to hold a very tight tolerance.

I found some really nice old gauges on e-bay in the past and they are very accurate. A Federal gauge is hard to beat and the other looks like the old sunnen gauge but its made by Yuasa. A few other good names are Boice and Fowler.

Here is another nice bore gauge made by SPi in Japan.

http://cgi.ebay.com/SPI-DIAL-BORE-GAGE- ... 0341956234

funny deal on that dial bore gauge. read some reviews the ebay company selling it artificially inflates the price with false bidders. yesterday it was at $30, end bid today was $258. can buy that same setup brand new for $300