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2013-14 Shelby GT500
13/14 VS 11/12
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<blockquote data-quote="Klaus" data-source="post: 16071077" data-attributes="member: 190070"><p>Bahahaha</p><p>“That’s a general misconception,” Mihovetz said in regards to iron blocks being stronger than aluminum ones. “Ideally, it depends on strength, and what you’re doing. Certainly, the iron block is a pretty decent piece up to a point, and if you’re below that point it works fine. If strength is required beyond, by far the Teksid block is the best piece — specifically the 4.6 4-valve engines.”</p><p></p><p>Mihovetz continued his thoughts on the comparison. “It’s the same issue with the 5.4 block. The biggest negative thing about the iron block is that the cylinders are too thin on an untouched block. If you sonic-check the thickness, you would find that it’s between .120- to .125-inch, so it’s just too thin,” He said. “And, of course, everyone thinks bigger is better, so they bore it .030 over and thin the cylinder wall out even more.”</p><p></p><p><a href="https://www.enginelabs.com/features/clearing-up-mod-motor-misconceptions-with-john-mihovetz/" target="_blank">Clearing Up Mod Motor Misconceptions With John Mihovetz</a></p><p></p><p>I am still on the hunt for where I saw the enginebuilder quote that their rebuild kit will not work in iron block because of weakness.</p></blockquote><p></p>
[QUOTE="Klaus, post: 16071077, member: 190070"] Bahahaha “That’s a general misconception,” Mihovetz said in regards to iron blocks being stronger than aluminum ones. “Ideally, it depends on strength, and what you’re doing. Certainly, the iron block is a pretty decent piece up to a point, and if you’re below that point it works fine. If strength is required beyond, by far the Teksid block is the best piece — specifically the 4.6 4-valve engines.” Mihovetz continued his thoughts on the comparison. “It’s the same issue with the 5.4 block. The biggest negative thing about the iron block is that the cylinders are too thin on an untouched block. If you sonic-check the thickness, you would find that it’s between .120- to .125-inch, so it’s just too thin,” He said. “And, of course, everyone thinks bigger is better, so they bore it .030 over and thin the cylinder wall out even more.” [URL="https://www.enginelabs.com/features/clearing-up-mod-motor-misconceptions-with-john-mihovetz/"]Clearing Up Mod Motor Misconceptions With John Mihovetz[/URL] I am still on the hunt for where I saw the enginebuilder quote that their rebuild kit will not work in iron block because of weakness. [/QUOTE]
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2013-14 Shelby GT500
13/14 VS 11/12
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