05-24-2016, 11:58 AM
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Senior CC Premier Member
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Join Date: Nov 2004
Location: SoCal,
CA
Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader
Posts: 3,574
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Not Ranked
Quote:
Originally Posted by DMXF
Guido36, first of all whatever Wouter Melissen states on that site is tainted by his use of the word "alloy". While some people associate it with meaning aluminum, look up the definition, alloy simply means there is a mixture of different constituents in the metal. Steels are made in different alloys.
The first GT40(s) in '64 were fitted with the all aluminum Indy engine, which is different in virtually every aspect from the engines installed in Cobras. When Shelby was given the responsibility for fielding the GT40's, as part of his changes he pulled those engines and installed his cast iron Cobra units.
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The word "alloy" could simply be referring to the high nickel content used in the 427 SO blocks and may have been experimented with in the 260 blocks, but it's still an iron block.
my 2 c
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