Goodson Gazette

ABCs of Valve Seat Stones, Pt. 2

Today, we’re going to share some tips on getting the most out of your valve seat stones.

Now that you’ve chosen your seat stone, dressing is your next step. The diamond is your friend, but only if it has a sharp point. The diamond’s job when dressing a stone is to remove enough material to expose fresh abrasive. A flat spot without a point will only close off the grains of abrasive and smooth over the bond, actually preventing the grinding wheel from doing its job.

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The ABCs of Selecting a Valve Seat Grinding Stone

Valve Seat Grinding Stones have been around for a very long time. Back in the day there were roughing and finishing stones. This was because way back when seats were generally made from common cast iron or hardened steel. Two abrasive specs for the stone was all that was needed to properly grind the valve seat.

Today it is another story altogether as the seat material has become very specific to the applications found on today’s engines – alloys of multiple metals, powdered metals, super hard materials all designed to prolong the ability of the seat to seal against the valve head.

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3 Honing Oils? What’s the Difference?

Goodson Tools & Supplies is proud to offer 3 different kinds of honing oils. This selection, of course, leads to the question, “What’s the difference?” So I’m going to give you the short version.

The HO series of honing oil was designed by the Goodson tech staff, to be clear and is formulated to offer the machinist a more aggressive result when honing various cast iron and steel alloys. Some say it has a drier effect that allows faster stock removal while keeping the honing stones, clean and more free cutting.

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Sizing up the valve guide

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Taking the Measure of a Valve Job

For such a small part, the valve guide is pretty important. In fact, I’d say it’s the foundation for the rest of the cylinder head.

Valve guides support the valves and help keep them running cool. If the guides are worn, you’ll have increased oil consumption and decreased cooling of the valves. Remember 25% of a valve’s cooling depends on heat transfer from the stem to the valve guide.

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Tips and Tricks for Setting A Dial Bore Gauge

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Cleaning Solutions For the Machine Shop - Part 2

Last time we started discussing Cleaning Solutions for the Machine Shop with a quick overview of detergents. This time we’re finishing up our look at cleaning solutions with an overview of glass beads, tumbler media and shot.

The Whys and Why Nots of Cleaning with Glass Beads

One of the most widely used cleaning media is the glass bead. Glass beads are primarily used to blast engine components free of carbon base soils and oxidation. Blasting is done in a cabinet to contain and recycle the media being used.

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How to Assemble a Dial Bore Gauge for Use

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Cleaning Solutions for the Machine Shop, pt. 1

There are 2 cleaning methods that we’re going to talk about this month – Cold Solution and Hot Solution  Both have their merits and both have their downsides. Continue reading for more on Cold and Hot Cleaning Solutions.

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