The next spec we’ll deal with is duration. This is defined asthe number of degrees of crankshaft rotation that each valve that spends offthe seat. All camshaft specs are expressed in degrees of crankshaft rotation.Crankshaft degrees are used because that’s the easiest way to measure thesepoints on the actual … See more One area of confusion is certainly a camshaft timing card. All aftermarket and production camshafts use a series of terms and … See more Let’s begin by describing exactly what a camshaft does. A camshaft is really a device used to convert rotating motion into linear (up and down) movement. This is accomplished by use … See more On that same line in this cam card, the lift at the valve has increased from 0.321-inch at the lobe, to 0.545-inch at the valve. This is accomplished … See more This simple upward movement of the cam lobe can be measured in terms of inches (or millimeters) of lobe lift. On our sample Summit Racing Pro … See more WebWhat do the numbers for a Camshaft and Head set mean? Ex. 278, 288, etc. Is it the bigger the number the more power or does it have something to do with timing? 24 points
Camshaft Duration – RacingJunk News
WebCamshaft definition, a shaft bearing integral cams. See more. WebA camshaft is a shaft that contains a row of pointed cams, in order to convert rotational motion to reciprocating motion. Camshafts are used in piston engines (to … incentive\u0027s 6k
Camshaft Duration - Summit Racing Equipment
WebOct 10, 2010 · david.rosol. Veteran Member. Jul 2, 2009. 1,144. Southern Maryland. I pulled a camshaft out of a 400 small block, and was curious what the specs are of the cam and the make. The only stamped markings on the front are 951758. On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. I tried searching & … WebOct 19, 2005 · The numbers underneath the stamping look like "005" to me, but I have to trust Mike Jones on this, because he is the camshaft expert here. BTW, something that I found interesting is that Steve Slavik, ( a … WebOct 15, 2024 · The numbers on camshafts are there to indicate the compatibility of a camshaft to a car and its functioning ability. Chevy Camshaft Identification Numbers … incentive\u0027s 6w