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Cobra Forums
2015+ Shelby GT350 Mustang
4.09 or 4.11
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<blockquote data-quote="ANGREY" data-source="post: 16292281" data-attributes="member: 188865"><p>If you haven't purchased already, I'd reconsider. Yukon makes great stuff, as does Motive and others.</p><p></p><p>I chose US gear because they offer the ISO coating that aids in lubricity as well as no "break in."</p><p></p><p>I'd also look at 4.09 vs 4.11. Less teeth means the teeth are beefier, but strength with the gear mesh comes from contact. The higher tooth count means the gear gets more incoming and outgoing contact/mesh so the upcoming and leaving teeth help to add strength with their contribution to the engaged teeth. I spoke with US gear directly and actually had my FRPP (made by US gear) set sent to them for the finishing process. They can't sell the 4.09 with their finish directly anymore (cause of the agreement with FRPP). He seemed to feel that both sets (4.09 and 4.11) would be plenty strong, but higher tooth count would be slightly preferable. You'll be fine either way, but if your anal/OCD, 4.09s with the ISO finish is the optimal ticket.</p></blockquote><p></p>
[QUOTE="ANGREY, post: 16292281, member: 188865"] If you haven't purchased already, I'd reconsider. Yukon makes great stuff, as does Motive and others. I chose US gear because they offer the ISO coating that aids in lubricity as well as no "break in." I'd also look at 4.09 vs 4.11. Less teeth means the teeth are beefier, but strength with the gear mesh comes from contact. The higher tooth count means the gear gets more incoming and outgoing contact/mesh so the upcoming and leaving teeth help to add strength with their contribution to the engaged teeth. I spoke with US gear directly and actually had my FRPP (made by US gear) set sent to them for the finishing process. They can't sell the 4.09 with their finish directly anymore (cause of the agreement with FRPP). He seemed to feel that both sets (4.09 and 4.11) would be plenty strong, but higher tooth count would be slightly preferable. You'll be fine either way, but if your anal/OCD, 4.09s with the ISO finish is the optimal ticket. [/QUOTE]
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2015+ Shelby GT350 Mustang
4.09 or 4.11
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