Wander through the pits at any drag race or examine enough cars at shows, and sooner or later you’ll find beat-up AN fittings. Some will have a few nicks and bruises. Others may have even greater damage. There’s good reason for that: those AN fittings are made of aluminum—a material that’s softer and more delicate
There have been plenty of articles penned on how to assemble AN hose (and hose ends). The process is pretty straightforward. Get it wrong and you’ll have a leaky fitting. Get it right and you’ll have a good-looking and equally functional component. In between, you can mar the fittings, leave unsightly (and potentially faulty) gaps, and generally
In the automotive plumbing world, there a few different ways to measure thread size on fittings and hoses. The most popular thread measurements are AN and NPT. What’s the difference between the two? How does an AN thread convert to a “plain English” fractional value? How do the two measurements relate to one another? Those
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