What Size Ball Hone To Use

The degree of oversize creates pressure and a soft cutting action on cylinder walls.

What size ball hone to use. The bore size for lsx cylinders is 3 780 but brm doesn t make engine hones in that size. Quick video on how to use a flex hone via youtube. For example for a cylinder that has been machined to 3 3 8 choose a 3 1 2 hone. Ball hones are made oversize so you need to choose the size based on the size of your cylinder.

As our technical team explained flexible hones should be used in an oversized condition. These hones are slightly oversized to maximize contact with the work surface. If you have any other questions feel free to call our tech services department at 800 533 8010. Do a plateau hone.

Run this tool at around 350 400 rpms. The flex hone and ball hone are both trademarked names for our tools. Brush research flex hone cylinder hone bc series silicon carbide abrasive 1 25 4 mm diameter 120 grit size 4 7 out of 5 stars 268 1 best seller in flex hones. For example a 1 flex hone size is ordered if a 1 bore is to be finished and the tool is provided oversized.

This is a 4 1 8 ball hone with 320 grit. When your cylinder id falls between two sizes order the larger hone. Flex hone 4 to 4 125 sbc sbf ball hone for cast rings brand. The engine mechanic s first question was about tool diameter.

For that 4 030 diameter use the 4 1 8 ball hone with 320 grit bg 418320. Use with portable drills drill presses and cnc machines. Use lots of honing oil and hone for 10 to 45 seconds per cylinder. Colloquially some people also refer to the tool as a dingleberry hone grape hone bead hone bottle brush hone glaze buster breaker hone or flexible hone but we do our best to dissuade the usage.

If the bore size is between standard flex hone sizes the next larger standard flex hone should be selected. What diameter size should i order. Mass production methods in the past normally consisted of boring then finishing to size using a rigid hone. We market the tool under the name flex hone but a common name is ball hone.

What you get are the large scratches from the 280 to hold oil and by knocking off the tops of them with the finer hone a smoother surface that won t tear up the rings. Hit it with the 280 and then a little pass with the 400 320 would be better but i guess you don t have that. The proper size tool is critical for achieving the highest overall performance and tool life. So the mechanic asked if he should use a 3 3 4 flex hone instead.

A hone tool s diameter is determined by the nominal bore size in which the tool is to be operate. Ball style hones were originally developed as an improvement for the finish produced by rigid stone hones commonly used in engine cylinder sizing. A cylinder hone is always produced and used in an oversize condition.