08-27-2003, 05:04 AM
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CC Member
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Join Date: Jun 1999
Location: Lighthouse Point,
FL
Cobra Make, Engine: EverettMorrison,408W,Jag rear, toploader
Posts: 85
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Not Ranked
My last engine had a Crower steel roller cam. I used a bronze gear on the MSD distributor and had 10K miles on it when I pulled the engine to replace it. The gear had a good amount of wear but was still working fine.
My new engine has a Comp cams roller cam. I haven't fired it yet, but I have had the same response as Ray R from Comp cams. The last guy I talked to said I should be fine with the cast gear on the MSD because my cam is cast. The cam is supposed to be austempered which is a hardening process used with cast cams to harden it for roller profiles. But I'll bet it's harder than the cast distributor gear.
I was going to break the engine in with the cast gear, and keep an eye on it, I has no idea it would go south so fast, but thanks to Ray's post I now will go with a steel gear on the distributor.
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