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SVT Shelby GT500
5.4 heads on 5.8 block?
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<blockquote data-quote="Catmonkey" data-source="post: 15303013" data-attributes="member: 124025"><p>Shelby does nothing to the engine. Super snakes mods are limited to bolt-ons. All the mumbo jumbo about cooling the exhaust valve had to do more with Ford's durability testing and their 200 mph claim than any performance benefit. It your car spends considerable time on a road coarse it may be worth it. But then how many engine failures have you seen on these cars that were valve related, that weren't caused by failed timing components?</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 15303013, member: 124025"] Shelby does nothing to the engine. Super snakes mods are limited to bolt-ons. All the mumbo jumbo about cooling the exhaust valve had to do more with Ford's durability testing and their 200 mph claim than any performance benefit. It your car spends considerable time on a road coarse it may be worth it. But then how many engine failures have you seen on these cars that were valve related, that weren't caused by failed timing components? [/QUOTE]
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SVT Shelby GT500
5.4 heads on 5.8 block?
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