03-21-2008, 04:00 PM
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CC Member
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Join Date: Jul 2007
Cobra Make, Engine:
Posts: 104
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Not Ranked
I have a retrofit roller cam in my 408 stroker. The MSD distributor had a warning tag on the drive gear to call the cam maker to determine if the gear was compatable with the cam. I called comp cams and they told me no the cast iron gear that came on the distributor was not correct and to change it to a hardened steel gear. I did so and the cam gear shredded after only 150 miles. When I called the engine builder he said they were completely wrong and the cast gear was correct. So we rebuilt the engine the exact same except for the distributor gear being changed back to the original cast gear. The rebuild now has 1000 miles on it and there is no problem. I think the point has been proven, yet comp cams is still telling customers to use a hardened gear on these camshafts.
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