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Camshafts

  
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Camshafts

 
tuffnuff tuffnuff
Moderator | Posts: 323 | Joined: 03/11
Posted: 02/22/13
08:58 PM

Camshaft Machine Company (CMC) located in Jackson, Michigan was established in 1942 and is probably the largest designer and manufacturer of automotive camshafts in the world. CMC produces cams for GM, Ford, Chrysler, Comp Cams, Lunati, Edlebrock, Crane, Wolverine and many others.

Most (but not all) of the automotive camshafts produced today are produced at one of the “Big Three” cam manufacturers all located in Michigan. CMC of Jackson, MI., Engine Power Components (EPC) of Muskegon, MI., and Waver Bartel Cam Company, of Grand Haven, MI.

CMC purchased Wolverine approximately 1990/1991.

Crane Cams purchased CMC around 1995 and Wolverine was included in this purchase. During this period Crane owned both Wolverine and CMC.

Crane sold CMC to Federal Mogul about April or May of 1999. Crane did not sell Wolverine to Federal Mogul and Crane still owns Wolverine. Federal Mogul also owns the Waver Martel Cam Company.

CMC was the OEM supplier for most of the muscle car cams for GM, Ford, Chrysler and others back in the muscle car era. CMC currently supplies many cams to the OEM manufacturers and holds copyrights for many OEM grinds. If you purchase an “original” muscle car cam, no matter whom you purchase it from it will be made by CMC.

Another interesting tid bit is that some time prior to 1990 when Crane and Wolverine were competitors, Crane developed their own version (and maybe others) but advertised it as a computer enhanced version and not an exact duplicate. The reason that Crane did not produce an exact duplicate is because CMC still holds copyrights to this cam and many others.

Wolverine does not have their own cam grinding shop. CMC supplies most of the grinds to Wolverine. Crane also grinds some of Wolverine cams.

Even though Crane has their own cam grinding shop CMC still grinds some of the cams sold under the Crane name. Crane currently has the contract for the Summit brand cams. Crane also grinds some cams sold under the Wolverine name. Those Summit cams could be produced by CMC or Crane, hence the rumored Wolverine Summit connection.

It has been rumored that Crane makes all Wolverine Cams and this is not true. Most of the cams sold under the Wolverine name are produced by CMC. It is true that a small percentage of cams sold under the Wolverine name are produced at the Crane manufacturing facility. To complicate things further it seems that certain grinds could be purchased under the Crane or Wolverine name that are the exact same grind, and CMC or Crane depending on the grind could have produced the cam.

It’s interesting that most people have not heard of CMC, EPC, or Waver Bartel even though they have been around for a very long time, longer than a lot of us have.

Not much will change now that Federal Mogul owns CMC. They will still produce the same cams and will pretty much supply them to the same customers sold under various nameplates. Federal Mogul recently acquired the TRW automotive products division also. The infamous TRW forged pistons that are so popular with we Pontiac folks are still produced at the same factory as when they were owned by TRW. Federal mogul also now owns seal Power. Federal Mogul also purchased the Clevite Bearing company. This gave Federal Mogul an almost airtight grip on the automotive bearing industry. This created an unfair marketing advantage and the Federal trade Commission (FTC) required Federal Mogul to sell Clevite, which they have done.


So the next time you buy your new Comp Cams, Lunati, Ultradyne, Iskenderian, Engle, or other cam there is a good chance it was actually made in Michigan at one of the top three cam makers. What the cam companies do is have their proprietary grinds (design, lobe, profile etc.) and have them ground by one of the big three. Very few cams are actually ground by a name brand cam company, Crane is one exception but they don’t grind all of theirs either.

Smile  
When The Flag Drops.,.

tuffnuff

The Bull ***t Stops.,.
tuffnuff

P. Engineer, Engine Builder