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5.0 internals
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<blockquote data-quote="MFE" data-source="post: 9464053" data-attributes="member: 36397"><p>An over/under HP threshold on the stock block is utter crap science. Some people make 650 on them, others not so much. I split mine making only 260 RWHP. The problem is paper thin webbing and a 50-oz external imbalance that causes crank whip. Extended revs make the block flex, and the block splits with a crack starting at a main cap bolt hole and extending through the webbing up into the lifter valley.</p><p></p><p>Also, somebody explain to me how <em>missing</em> a shift breaks a transmission. It's unloaded at that point!</p></blockquote><p></p>
[QUOTE="MFE, post: 9464053, member: 36397"] An over/under HP threshold on the stock block is utter crap science. Some people make 650 on them, others not so much. I split mine making only 260 RWHP. The problem is paper thin webbing and a 50-oz external imbalance that causes crank whip. Extended revs make the block flex, and the block splits with a crack starting at a main cap bolt hole and extending through the webbing up into the lifter valley. Also, somebody explain to me how [i]missing[/i] a shift breaks a transmission. It's unloaded at that point! [/QUOTE]
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