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Old 05-17-2008, 06:34 PM
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Help! Identify Older Crower Cam

I Have An Older Crower Cam That I Can't Find Any Information On Do You Know Anything About This Crower Cam # X7479
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Old 05-17-2008, 10:43 PM
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If nobody gives an answer, call Crower.....
http://www.crower.com/misc/contact.shtml
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Old 05-18-2008, 06:29 AM
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I have a NOS Crower that I could not find specs for, and Crower does not keep records past 15 years (so I am told by another person)

I came here for help and the HR guys suggested I use a dial indicator, a set of V blocks, and a degree wheel.



I made a chart, plotting the lift at what degree, plus the duration. (by the way,I was told to use a lifter to get a more accurate reading; so I set up an old Ford lifter on some angle iron)

We also found out that hyd cams have a very short "lash ramp' at the very beginning, compared to a solid cam. Once you figure out it is a solid cam, you can get the valve adjustment specs from those "lash ramp" measurements.

Sounds like a pain, but if you can't get Crower to ID it, then you need to try it yourself


My cam turned out to be a hyd, with .577 lift and 277 duration
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Old 05-18-2008, 07:12 AM
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any custom engine builder shop that has a "Cam Doctor" or other similar camshaft lobe measuring device can get all the specs you need for that cam.

You can estimate the size of the cam by measuring the cam lobe lift with a dial caliper.

If this is a flat tappet cam, its not worth keeping if it has any wear at all.
Just a waste of new lifters. New flat tappet cams are cheap.

Last edited by F-BIRD'88; 05-18-2008 at 07:21 AM.
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