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Originally Posted by Jamo
Anthony, the poly gear has been around for a few years, longer for Chevy applications. Hasn't exactly lit a fire, so I agree with you.
From your description, it sounds like the Crane gear (with some bronze in the soup), though harder and more durable than the normal bronze gear, is still intended to be sacrificial, and I like the sound of that. That's the way it ought to be.  |
The new Crane gear is not designed to be sacrificial- it is designed for long term OEM type life spam. Below is from the Crane website that one of those two smart guys
posted the link to earlier (emphasis added):
By using modern heat treating and manufacturing processes, Crane Cams has developed a series of steel distributor gears that are compatible with cast and both induction hardened and carburized steel roller lifter cams.
Crane Cams now makes it possible to use a steel distributor gear that provides OEM-style life-span, eliminating the need to frequently replace bronze alloy gears.