Hydraulic Lifter Preload Explained & Different Types of Lifters in a engine. How much adjustment needed to the rocker nut 1/2, 3/4, or 1 Turn? Also in this video you'll see the difference between a hydraulic lifter and a solid lifter and the different types of lifters. Heat expansion is also a consideration in engine lash but varies in different applications and materials such as aluminum heads or cast iron.
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Video Chapters
0:05 How to Determine Hydraulic Lifter Pre-Load (Preload)
0:40 Disassemble Hydraulic Lifter
1:35 Measuring Hydraulic Lifter Plunger Travel
1:50 Parts of a Hydraulic Lifter
2:40 Measuring Plunger Travel with Spring in
3:10 How Much Turning Rocker Nut Moves The Plunger (per Thousandths Of An Inch)
3:40 Different Lifter Types Shown
4:30 A Couple of NASCAR Lifters
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