cylinder heads

Video: How to Check Your Cylinder Head Surface for Flatness or Warping

To ensure the best seal possible, your cylinder head mating surfaces must be perfectly flat—or, at least within the flatness specced by the manufacturer. But testing your cylinder head surface isn’t as simple as just laying a flatedge across the head. The gasket gurus at Fel-Pro put together a good video that shows you exactly

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Parts Bin: Pro-Filer Performance Cylinder Heads and Intake Manifolds

From time to time, OnAllCylinders will provide a peek at some of the newest products and deals that can help get your next project on track for less. Check out what’s in our parts bin this week: Pro-Filer Performance makes cylinder heads for small/big Chevy and small/big Ford engines, plus intake manifolds for the big

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How to Retrofit GM LS Valve Springs on LT1 Cylinder Heads

Since the GM LS is such a popular engine series, LS-compatible parts are common and easy to find. Which means, if you’re using 1992-97 LT1-style heads on your engine, you may find more spring options if you look for valve springs designed for the LS. Those different spring types however, are not compatible. Fortunately, the

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Mailbag: Understanding Compression Ratios and Cylinder Pressure

Q: I have a question about engine compression. What would the following compression ratios be in terms of pounds per square inch (psi) of cylinder pressure? 8:1 compression 9:1 compression 10:1 compression 11.1 compression The reference engine is a small block Chevy 350 bored .030 inches over. A: Cylinder compression and cylinder pressure are not directly related

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Quick Tech: TTY Fasteners and LS Engines — What You Need to Know

Think all fasteners are created equal? Of course not. If you’re an engine builder, you know the importance of using good-quality fasteners. And you’re probably also familiar with the torque-to-yield, or TTY, fasteners that have become more common on today’s engines. There’s a big difference between these fasteners and traditional bolts that make torque-to-yield the factory choice

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