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The Terminator
Driveline
2015 Mustang IRS w/cast iron diff housing
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<blockquote data-quote="oldmodman" data-source="post: 14746223" data-attributes="member: 10303"><p>Cast iron is incredibly stable dimensionally. It doesn't twist under load, right up to the point where it fractures.</p><p></p><p>Where an aluminum center section would be lighter it can flex. Which could allow the pinion gear to "walk" up the ring gear with every shift.</p><p></p><p>Eventually it could lead to a fracture.</p><p></p><p>Both types can fail but the cast iron will probably last longer. All things being equal.</p></blockquote><p></p>
[QUOTE="oldmodman, post: 14746223, member: 10303"] Cast iron is incredibly stable dimensionally. It doesn't twist under load, right up to the point where it fractures. Where an aluminum center section would be lighter it can flex. Which could allow the pinion gear to "walk" up the ring gear with every shift. Eventually it could lead to a fracture. Both types can fail but the cast iron will probably last longer. All things being equal. [/QUOTE]
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2015 Mustang IRS w/cast iron diff housing
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