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Timing Chain and Gears

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Timing Chain and Gears #1
mailbot Mail List Archive Bot ., Online, USA	Nov 10, 1994 09:55 AM Joined 15 years ago 59,279 Posts

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Mail From: Kelly Murray <(email redacted)>

> The late model 5.0 HOs do, but it's a "cheap" roller chain, not nearly
> as good or long-lived as the Cloyes Tru-Roller or other aftermarket
> double roller timing chains. (I put a Cloyes set in mine when it was
> rebuilt.) In any event the sprockets are made of steel and not Nylon.

Are true double-roller chains worth the expensive on a low-RPM big-block?
I'm primarily concerned about stretch, and have heard somewhere
that roller chains are actually more prone to stretch, but I don't believe it.
They have less friction, right? And this would result
in less heat, which causes stretching?
Or is there something about the actual construction or materials used
that is different. The stock 460 chains seem pretty beefy.

-Kelly Murray

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