Thread: Comparison-60's 427so vs New 427so ?
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Old 04-04-2009, 06:04 AM
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Cobra Make, Engine: 427SO with big twin autolite inlines on custom intake, jag rear, top loader, wembeldon white, guardsmen blue stripes
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Other than lighter components, hotter ignitions, roller rockers, roller cams and possibly newer cam profiles, I don't see any noticeable differences. IMO, the biggest difference is fuel, in the 60's you could buy 103 octane everywhere and run 12-13+ to 1.
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