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Goodson Valve Concentricity Gauge

When it comes to building an engine, it’s essential that everything lines up correctly. In terms of valves and seats and guides, that means concentricity. 

Valve Concentricity Gauge
Cautioning on Valve Seat Concentricity

If the valve seats are not concentric to the valve guides, the valves will not seal effectively. When it comes to gas engine re-manufacturing, the subject of valve seat concentricity is a very serious one. Concentricity, as we are discussing here, is the relation between the centers of the valve guides and the centers of the valve

Shop Solutions – February 2024

Submit your Shop Solution at [email protected].

The Importance of a Good Valve Job

The valve job ensures the mating surfaces of the valves and the seats properly control the air/fuel mixture.

Rottler’s SG10XY Cylinder Head Machining Center

Combined with the lightweight air float workhead, the SG10XY gives perfect centering in the valve guide and excellent concentricity.

Diesel Fasteners: Is The Competition Growing?

As many of you know, under higher combustion pressure, having your cylinder head(s) effectively clamp down the block surface is absolutely critical. Therefore, choosing a brand of head stud that you trust to get the job done is just as important.

Diesel Fasteners
Shop Solutions November 2021

Check out these Shop Solutions from builders across the country!

Cam Center
Facts About Fasteners

Though fasteners are often taken for granted, using quality, high-performance studs and bolts can provide engine builders with important insurance toward long-term reliability.

Equipment & Machine Maintenance

If you take care of your machines, they’ll take care of you.

Tips for Selecting a Valve Seat & Guide Machine

The main thing to look for when purchasing a new seat and guide machine is one that will give you the most accuracy or concentricity of the valve guide to valve seat.

Schooling On Tooling

Let’s face it, tooling costs money, and depending on which type of tooling we are talking about, in some cases, the tooling is at least valued at half the price of the machine.

Sprint Car Engine Update

Sprint Cars are exciting to watch and even more exciting to drive, but, like most other forms of racing, the costs to run a competitive car have ballooned in recent years.

Building an ASCS Sprint Car Engine

Salina Engine’s primary focus is on racing engines, with its main market being sprint car engines for various sanctioning bodies.

Valve Seats & Guides

Performing valve jobs is one of the most crucial areas of the engine building business. According to our most recent Machine Shop Market Profile, cylinder heads for gas engines account for nearly 16 percent of an engine builder’s production time – and it’s easy to see why.

Dura-Bar Dura-Tube

Dura-Bar continuous cast gray and ductile iron bar products adds tube portfolio with the launch of Dura-Tube.

ASCS 360 Sprint Car Engine

Adam Cofer and the folks at Salina Engine focus on race engine builds, specifically engines like this ASCS 360 Sprint Car engine. The intent of this build was to attempt to curb the cost of 360 Sprint Car engines while still delivering a very competitive package. Find out how this engine came together and how it does on the track!

UEM ICON LS Series Pistons

United Engine & Machine has announced a new series of ICON LS Series Pistons. They are available now in three levels of higher performance and are offered as pistons with pin sets or piston, pin and ring kits.

Valve Failures Explained

Whether Thermal or Mechanical, Understanding Why Valves Fail Will Improve Your Skill Even engine builders with years of experience have valve failure at some point, but knowing what caused the failure is the difference between a builder who will learn from the mistake and figure out the solution versus one who will continue to make

Valves and Seats

When it comes to engine components working together, there are few areas that share the same level of relationship as the valves and valve seats. The factors that affect this duo’s ability to reside in harmony inside an internal combustion engine encompass everything from material compatibility to thermal conductivity.

The Other Machines in Your Shop

In the last couple of years we have discussed the various maintenance requirements for your big machines – surface grinders, crank grinders, cleaning machines, etc. Let’s not forget those other devices that play a pretty important part in your continued effort to build the best engines you and your employees can offer to your valued customers.