Lifters
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The lifter foot of a flat tappet lifter is not perfectly flat, instead it is slightly convex. This is done to allow the lifter to rotate, and the shape of the lifter combined with the shape of the cam lobe is what causes this rotation. The rotation of the lifter keeps the highly loaded interface between the lifter and cam lubricated and cooled so as to not cause excessive wear during operation. | The lifter foot of a flat tappet lifter is not perfectly flat, instead it is slightly convex. This is done to allow the lifter to rotate, and the shape of the lifter combined with the shape of the cam lobe is what causes this rotation. The rotation of the lifter keeps the highly loaded interface between the lifter and cam lubricated and cooled so as to not cause excessive wear during operation. | ||
| − | [[File:Cam lobe angle.jpg]] | + | [[File:Cam lobe angle.jpg|thumb|left|300px|Exaggerated view of flat tappet lifter crown and cam lobe]]<br style="clear:both"/> |
====Mushroom flat tappet lifter==== | ====Mushroom flat tappet lifter==== | ||
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