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Old 03-29-2013, 08:58 PM   #1
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Sub frame connectors

What are some benefits of sub frame connectors?
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Old 03-29-2013, 09:09 PM   #2
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What are some benefits of sub frame connectors?
supposed to stiffen the car. Without them some cars ones fast enough can twist and torque the cars enough that says your doors wouldn't close right, windshield could crack, etc.

Far as I have seen the mustangs can take some ABUSE before ever needing these. That is one thing Ford has done a good job with, is keeping the car as a whole from flexing. My understanding is on our cars you will not feel a handling difference because of this. Really seems to be a waste of money.
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Old 03-29-2013, 10:14 PM   #3
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EVERY mustang should get FULL length subframe connectors WELDED in. Better launches, stiffer chassis, longer living car. Lots of benefits
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Old 03-29-2013, 10:33 PM   #4
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i know previous to 05 years had major issues with frame flex but since its gotten better and better, but they cant hurt if they are full length and weld in
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Old 03-29-2013, 11:09 PM   #5
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i know previous to 05 years had major issues with frame flex but since its gotten better and better, but they cant hurt if they are full length and weld in
Yeah from what I have seen unless your running under 10 at the drag strip you don't even need to think twice about them on an 05-14.

The previous years needed them badly.
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Old 03-30-2013, 12:08 AM   #6
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they r known as the 5th spring on mustangs from pre -05 models. It will eliminate chassis flex under load especially handling. It will dramatically increase the overall cornering of the vehicle. That should be your very first suspension upgrade,
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Old 03-30-2013, 12:20 AM   #7
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they r known as the 5th spring on mustangs from pre -05 models. It will eliminate chassis flex under load especially handling. It will dramatically increase the overall cornering of the vehicle. That should be your very first suspension upgrade,
OP has a 2013...so...lol.
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Old 03-30-2013, 12:46 AM   #8
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Yea most of the above is correct, the fox chassis (79-04) had terrible problems with chassis flex and these were installed to help mitigate this problem. However the S197 chassis (05-present) has a much stiffer chassis and I can't recall anyone that uses these on an S197 out side of non-street legal race cars.

I think the tolerance of power on the fox chassis without sfc's was sub 500 hp.
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