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Old 08-25-2008, 07:07 PM
mightycarlo10 mightycarlo10 is offline
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1976 SBC Cylinder Heads Lead Additive?

I think i screwed up. Basically i built a 383 from a '76 Monte Carlo 350 engine. I'm pretty sure they dont have hardened seats and i've been runnin regular 93 octane. Does anyone know if these do or do not have hardened seats and what kind of damage i could have done? I really dont care if the heads are trashed because they are pos 882 heads. I only care if it could have damaged the rings or bearings or something.
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