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New Edge Cobras
'01 Cobra TR3650 & rear end power limit
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<blockquote data-quote="ddeem" data-source="post: 13961905" data-attributes="member: 144113"><p>I am building a 2001 Cobra as well and expect around 500WRHP. I have been reading up over the last year and it seems the limit on the TR3650 is the input shaft which can snap when you get to the 500 area. It is mostly due to the torque and can happen on a hard launch with DR's or a downshift. Companies make an input shaft with 26 splines that is supposed to support well over the 500 mark. </p><p> </p><p> I just rebuilt my IRS and would have been concerned to run high horsepower with the stock bushings. The differential was loose since the rubber was so dry rotted on this now 13 year old car. The Ford Racing cover and cross member support can be added along with new bushings to support significant horsepower levels.</p><p> </p><p> That being said, there are many running 450WRHP with stock components. These cars are getting older now though and the rubber is getting softer if it is original.</p></blockquote><p></p>
[QUOTE="ddeem, post: 13961905, member: 144113"] I am building a 2001 Cobra as well and expect around 500WRHP. I have been reading up over the last year and it seems the limit on the TR3650 is the input shaft which can snap when you get to the 500 area. It is mostly due to the torque and can happen on a hard launch with DR's or a downshift. Companies make an input shaft with 26 splines that is supposed to support well over the 500 mark. I just rebuilt my IRS and would have been concerned to run high horsepower with the stock bushings. The differential was loose since the rubber was so dry rotted on this now 13 year old car. The Ford Racing cover and cross member support can be added along with new bushings to support significant horsepower levels. That being said, there are many running 450WRHP with stock components. These cars are getting older now though and the rubber is getting softer if it is original. [/QUOTE]
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'01 Cobra TR3650 & rear end power limit
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