Cam Lobe Taper at Erica Raymond blog

Cam Lobe Taper. Flat tappet cams are great at opening valves quickly. In reality, flat tappet lifters are not flat. Flat tappet cams are susceptible to damage due to a lack of zinc in modern engine oil, causing drivability problems as the lobe wears. The lifter faces are also shaped differently then they appear. Ditto with the camshaft contact face of the lifter (it’s slightly crowned and not exactly “flat”). The lobe taper may be from.0007” to.002” across the face. They actually have a slight crown on the face. To get there, the cam lobe is tapered slightly. The camshaft lobe is machined with a slight taper. Comp cams® offers flat tappet lifters (solid/mechanical) with oiling holes in the cam contact face, which will increase oil flow to the. This causes the lifter to spin as it rides on the lobe. It’s a simple design that works well, provided there’s adequate lubrication between the lifters and cam lobes to prevent wear that can wipe out a cam and/or lifters. The rotation of the tappet within the bore evens out the wear of the lifter (particularly at the edge where it comes in contact with the camshaft lobe). Flat tappet cams, with either solid or hydraulic lifters, are commonly used in many street and performance engines.

The lifter faces are also shaped differently then they appear. This causes the lifter to spin as it rides on the lobe. To get there, the cam lobe is tapered slightly. In reality, flat tappet lifters are not flat. Flat tappet cams are great at opening valves quickly. The lobe taper may be from.0007” to.002” across the face. The rotation of the tappet within the bore evens out the wear of the lifter (particularly at the edge where it comes in contact with the camshaft lobe). They actually have a slight crown on the face. Flat tappet cams, with either solid or hydraulic lifters, are commonly used in many street and performance engines. Flat tappet cams are susceptible to damage due to a lack of zinc in modern engine oil, causing drivability problems as the lobe wears.

What Are Cam Lobe Profiles?

Cam Lobe Taper Comp cams® offers flat tappet lifters (solid/mechanical) with oiling holes in the cam contact face, which will increase oil flow to the. Flat tappet cams are great at opening valves quickly. In reality, flat tappet lifters are not flat. They actually have a slight crown on the face. The rotation of the tappet within the bore evens out the wear of the lifter (particularly at the edge where it comes in contact with the camshaft lobe). Flat tappet cams, with either solid or hydraulic lifters, are commonly used in many street and performance engines. The lifter faces are also shaped differently then they appear. The camshaft lobe is machined with a slight taper. The lobe taper may be from.0007” to.002” across the face. Comp cams® offers flat tappet lifters (solid/mechanical) with oiling holes in the cam contact face, which will increase oil flow to the. Ditto with the camshaft contact face of the lifter (it’s slightly crowned and not exactly “flat”). Flat tappet cams are susceptible to damage due to a lack of zinc in modern engine oil, causing drivability problems as the lobe wears. It’s a simple design that works well, provided there’s adequate lubrication between the lifters and cam lobes to prevent wear that can wipe out a cam and/or lifters. This causes the lifter to spin as it rides on the lobe. To get there, the cam lobe is tapered slightly.