Thread: Aluminum Shelby 427 MR heads?
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Old 01-26-2004, 02:55 AM
Mr427 Mr427 is offline
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Yes, those heads were made, a few pairs. They were used on some of the engines that Shelby installed in the GT-40 and some AC Cobras in the early days. The 427 engine with these heads is listed in some printed material from the time, at 525 or 550 hp. This coincides with the stated hp of the 7 liter GT-40 engine at 540hp.
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