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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Suspension Discussion and Modification
Gen 2 OE rear shocks on gen 1
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<blockquote data-quote="Jimster58" data-source="post: 1227953" data-attributes="member: 20520"><p>So, if I'm understanding the mechanics of this and your explanation correctly, the added range of travel allowed by the longer Gen2 shock causes two issues. At some point in the downward travel, there is physical contact between the inside of the UCA and the coil spring. The other being, that at some point, the angle imposed on the CV joints is too extreme and exceeds their maximum design angle so they fail.</p><p></p><p>A more open interior space design on an aftermarket UCA may relieve the impact issue with the spring, but there are definitive limits to that, and lengthening creates more issues due to how the UCA and LCA components function together. The CV issue remains and is actually now worsened by additional UCA travel because the spring is no longer acting as a suspension "stop".</p><p></p><p>By installing a limiting strap and truncating the travel to Gen1 OEM limits, both issues are completely mitigated, due to the fact that the suspension travel is stopped before either scenario is experienced. That, or never driving the truck so that extreme-travel is achieved.</p><p></p><p>Thanks for the information and clarification - it really makes good sense now.</p><p></p><p></p><p>Anyone have experience/recommendations for limiting straps?</p></blockquote><p></p>
[QUOTE="Jimster58, post: 1227953, member: 20520"] So, if I'm understanding the mechanics of this and your explanation correctly, the added range of travel allowed by the longer Gen2 shock causes two issues. At some point in the downward travel, there is physical contact between the inside of the UCA and the coil spring. The other being, that at some point, the angle imposed on the CV joints is too extreme and exceeds their maximum design angle so they fail. A more open interior space design on an aftermarket UCA may relieve the impact issue with the spring, but there are definitive limits to that, and lengthening creates more issues due to how the UCA and LCA components function together. The CV issue remains and is actually now worsened by additional UCA travel because the spring is no longer acting as a suspension "stop". By installing a limiting strap and truncating the travel to Gen1 OEM limits, both issues are completely mitigated, due to the fact that the suspension travel is stopped before either scenario is experienced. That, or never driving the truck so that extreme-travel is achieved. Thanks for the information and clarification - it really makes good sense now. Anyone have experience/recommendations for limiting straps? [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Suspension Discussion and Modification
Gen 2 OE rear shocks on gen 1
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