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Tech & Fab
solid motor and tranny mounts
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<blockquote data-quote="CrustyJeep" data-source="post: 767156" data-attributes="member: 15960"><p>Whatever you do, I definately do not agree that both ends should be solid or poly mounted such that frame twist will apply stress to the drive train. If you have a chassis stiff enough (like a tube thingy), then go for it, otherwise you're looking to break something.</p><p></p><p>In stock config, the engine mounts take all the drive train torque, while the tranny or case mount only provides support. If your gearing is deep enough, tires large enough, etc. to be over stressing the drive train casings, then you'll want to move the torque mounts to the transfer case. If you do that, you'll need to change the way the motor mounts work, bassically reversing the roles of the mounts. Stock rubber engine mounts and stiff poly t-case mounts should work... Personally though, I'd switch to a competely different engine mounting, like one big poly mount centered below the front of the engine on a cross member, providing stiff support but allowing the chassis to twist freely around it.</p></blockquote><p></p>
[QUOTE="CrustyJeep, post: 767156, member: 15960"] Whatever you do, I definately do not agree that both ends should be solid or poly mounted such that frame twist will apply stress to the drive train. If you have a chassis stiff enough (like a tube thingy), then go for it, otherwise you're looking to break something. In stock config, the engine mounts take all the drive train torque, while the tranny or case mount only provides support. If your gearing is deep enough, tires large enough, etc. to be over stressing the drive train casings, then you'll want to move the torque mounts to the transfer case. If you do that, you'll need to change the way the motor mounts work, bassically reversing the roles of the mounts. Stock rubber engine mounts and stiff poly t-case mounts should work... Personally though, I'd switch to a competely different engine mounting, like one big poly mount centered below the front of the engine on a cross member, providing stiff support but allowing the chassis to twist freely around it. [/QUOTE]
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solid motor and tranny mounts
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