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Re: Fuel additive for a 53' Clipper
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From what I understand:
It's not that values burn up themselves, it its the valves slamming into the seat and abrading them. The "lead" provides a "buffer effect" that reduces valve recession in the cast iron blocks/heads. A hardened value seat cures that as well. But this is typically only a problem in higher RPM motors and engines that run a hotter exhaust temps. The straight eights are pretty low rpm motors. I cant find anyone oh here that has reported a major problem with valve recession in their motors, and we switched over to Unleaded 20+ years ago. Supposedly running cars on propane or natural gas causes even greater risk to valve recession because of the dry nature of the fuel.
Posted on: 2012/10/30 14:33
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-BigKev
1954 Packard Clipper Deluxe Touring Sedan -> Registry | Project Blog 1937 Packard 115-C Convertible Coupe -> Registry | Project Blog |
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