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SVT Shelby GT500
Built rear end?
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<blockquote data-quote="merkyworks" data-source="post: 16252838" data-attributes="member: 179203"><p>So depending on how much traction you get, 3.73's can have issues with whining. </p><p></p><p>I say this cause my power level is similar to you and my rear end is stock on the inside with 3.73 and 40k miles on it, never been to drag strip but have done dig races. When I installed TA, WL, LCA with near solid bushings and 315 tires the gear whine was minimal/very livable but the upgraded traction over this past year has allowed the rear end to distort and something isn't happy (backlash or bearings IDK). Sometime soon I got to get my rear end rebuilt with new gears cause it is whining very loudly and I'm going to rebuild with 3.55's in an effort to help reduce any whine potential. Other users with 3.73's have had similar issues where the rear end is quite and then after a trip to the drag strip the rear end whines. </p><p></p><p>Heavy car weight and lots of torque make rear end distortion very likely. Things like welding axle tubes to housing, installing/welding a rear end brace, installing a rear cover with gridle, upgrading main cap from bolts to studs or changing cast iron main caps to billet main caps are all good ways to help.</p></blockquote><p></p>
[QUOTE="merkyworks, post: 16252838, member: 179203"] So depending on how much traction you get, 3.73's can have issues with whining. I say this cause my power level is similar to you and my rear end is stock on the inside with 3.73 and 40k miles on it, never been to drag strip but have done dig races. When I installed TA, WL, LCA with near solid bushings and 315 tires the gear whine was minimal/very livable but the upgraded traction over this past year has allowed the rear end to distort and something isn't happy (backlash or bearings IDK). Sometime soon I got to get my rear end rebuilt with new gears cause it is whining very loudly and I'm going to rebuild with 3.55's in an effort to help reduce any whine potential. Other users with 3.73's have had similar issues where the rear end is quite and then after a trip to the drag strip the rear end whines. Heavy car weight and lots of torque make rear end distortion very likely. Things like welding axle tubes to housing, installing/welding a rear end brace, installing a rear cover with gridle, upgrading main cap from bolts to studs or changing cast iron main caps to billet main caps are all good ways to help. [/QUOTE]
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Built rear end?
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