Earl's Performance

Video: How to Pressure Test Your Hose Assembly

Congratulations — you’ve created custom hose assembly for your vehicle. Automotive plumbing 101 says that before you go through the trouble of installing your new hose assembly, you’ll want to pressure-test it to make sure it’s leak-free. Fortunately, Earl’s Performance offers a complete kit that makes it quick and easy to test your assembly prior to installation,

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Quick Tech: How To Check AN Hose Assemblies For Leaks

[portfolio_slideshow id=22383] Assembling braided AN hose and hose ends is pretty straightforward. But how do you know if the completed assembly is OK? Ideally, you would pressure-test your plumbing before you go to a bunch of trouble installing it in the car. That’s where the folks from Earl’s Performance enter the equation. They have a

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Quick Tech: “AN” vs. “NPT” Fittings and How They Relate

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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