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Old 09-17-2015, 01:40 PM   #21
vorhese
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Default Re: Ball hone grit for Triumph?

Hahah yes I caught myself. I did the ol "start at 1" line" on the tape measure, and caught myself before ordering. Thanks for having my back.
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Old 09-17-2015, 03:08 PM   #22
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Default Re: Ball hone grit for Triumph?

Vorhese,
Glad you caught it, I know those 50 dollar bills don't grow on the trees around here either .

Before you get after your cylinders with the hone - if you have a junk cylinder or can find a piece of 3" pipe or something close to the right diameter, you can get your chops down as far as stroke speed so that you'll get a nice 45 degree crosshatch pattern on your cylinder walls. I've found that if you run the ball hone within the recommended RPM range, you need to stroke the hone up and down pretty dam' quickly to get that nice 45 degree pattern. A little bit of prior experimenting will show you the right rpm and stroke speed and have you honing your cylinders with confidence.

You might find it helpful to rig something up to hold the cylinders securely so you can just concern yourself with making a nice even stroke. I make up a simple wooden base that I can bolt the cylinder to and then secure it inside some sort of container (a 5 gallon bucket works real good). That way you can use plenty of lubricant so the hone works efficiently and it won't be splashing all over the place. I use ATF for honing. Old, used, ATF works just fine. If you make your cylinder holder so it holds the cylinder up a little ways from the bottom of the container it'll keep you from driving the hone into the bottom of the container as you run the hone up and down.

The cross hatch pattern really does make a difference in how well the rings seat. If the cross hatch is too steep (like straight up and down) it won't hold enough oil, and if the cross hatch is too flat (like without stroking the hone at all), it will hold more oil than you need and may lead to glazing.

Have fun .

Geo.
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Old 09-17-2015, 05:25 PM   #23
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Default Re: Ball hone grit for Triumph?

Quote:
Originally Posted by richbob View Post
"The proof is in the pudding"
in relation to what ?
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Old 09-22-2015, 02:57 PM   #24
vorhese
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Default Re: Ball hone grit for Triumph?

Pretty pleased with the outcome. My variable speed drill caught on fire halfway through the first, so I had to switch to my "fast only" drill. I basically had to lift it up and down as fast as I could to get the cross-hatch. I think it looks good.

before


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Old 09-22-2015, 03:03 PM   #25
VonWegener
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Default Re: Ball hone grit for Triumph?

The driveway hone picture is a classic. Reminded me of the area behind the machine shop I apprenticed in. It was so nice and clean inside because we had to do all the dirty work outside....
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Old 09-22-2015, 04:03 PM   #26
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Default Re: Ball hone grit for Triumph?

Looks good from here.
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