Our man Greg has produced such a stupendous amount of truly useful copy on this subject that we’re going to present it in three parts. This time, we’re giving you interesting info on bore finish and block preparation.
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From tear-your-head off acceleration thrills to nerdy info technology?
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Piston Ring, part 1 covers bore finish and block preparation; Roller Rocker Systems looks at what really must understand before starting to build and engine; and, Renewing Engine Performance will cover backpressure.
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When I tell my wife that I just love touching those dirty parts, she just shakes her head and laughs at me and calls me a fool.
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The changes in how today’s reformulated unleaded gasoline burns in a vintage carburetor-equipped engine will often cause it to not perform as it should. These new blends are not as volatile, but still burn somewhat faster than the leaded gasoline of the distant past.
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A pushrod selection consideration is the tuning effect of size, length, and stiffness of the components in the valve train. Any part has a natural resonant frequency at which it will vibrate and a point at which a small periodic input or disturbance coincides with the resonant frequency will cause the vibration to increase with each excitation input.
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Two spectacular collections of antique, classic, and other interesting vehicles and memorabilia within a couple of miles of each other, either of which is worth the trip.
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Friction is reduced using the roller lifters. Where the flat lifter is velocity-limited, the roller lifter is acceleration-limited.
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Why couldn’t I write a saleable program that would give good advice on how to modify your car?
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We’ve tailor this content specifically for you, the professional automotive technician with a passion for high-performance. Read Part 2 of lifter subtleties, and the science of pushrods, timing a vintage engine for modern gasoline, which is more important than you might imagine.
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