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2013-14 Shelby GT500
13/14 VS 11/12
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<blockquote data-quote="2011 gtcs" data-source="post: 16070457" data-attributes="member: 121478"><p>Thanks man, I appreciate it. And I completely agree. You can pick up a 11/12 quite a bit cheaper and put the extra money into mods. </p><p></p><p>Agreed, it's good hearing from someone who has had both. </p><p></p><p>Yes the 5.4 cylinder walls are thicker, to get the extra displacement for the 5.8 they bored out the cylinders and put bigger pistons in but they both use plasma lining. </p><p></p><p>My guess why people see knock a lot sooner on the 5.8s is because of the extra compression. Once you pulley down the timing should be kept conservative unless you run E85 or 100oct.</p></blockquote><p></p>
[QUOTE="2011 gtcs, post: 16070457, member: 121478"] Thanks man, I appreciate it. And I completely agree. You can pick up a 11/12 quite a bit cheaper and put the extra money into mods. Agreed, it's good hearing from someone who has had both. Yes the 5.4 cylinder walls are thicker, to get the extra displacement for the 5.8 they bored out the cylinders and put bigger pistons in but they both use plasma lining. My guess why people see knock a lot sooner on the 5.8s is because of the extra compression. Once you pulley down the timing should be kept conservative unless you run E85 or 100oct. [/QUOTE]
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2013-14 Shelby GT500
13/14 VS 11/12
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