- Joined
- Sep 14, 2020
- Threads
- 1,334
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- 2,186
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- 522
- Location
- Wellington, FL
- First Name
- Jake
- Vehicle(s)
- 2022 F-150 RCSB 5.0
- Thread starter
- #1
Almost daily here at Lethal Performance we are asked what the best & most important components are to upgrade in the rear suspension for the 2015+ S550 Mustangs. What good is horsepower if you can't put it to the ground?
Jared took a trip over to BMR Suspension in Seffner, FL with our 2018 Mustang GT (aka Project Goldmember) to get the “Kelly Aiken” treatment. While there, we were able to pick Kelly's brain on the IRS and it's components. He has a surplus on knowledge on these cars from not only his own car (even planting GoPros underneath to monitor the suspension's activity) but also from the vast amount of fast cars using BMR Suspension, including 2 of the fastest IRS cars in the country.
Based on his experience, we asked him to pick out what he felt were the most beneficial components for these cars, the “Bread & Butter” as he calls it in the video. The following components will support cars going well into the 8s and those wanting to see low 1.2-1.4 60's (If you're faster than that, they have components for that, too!)
In an IRS car there are a couple of issues to address. The first issue is that the entire cradle assembly will move/rock. In our 2018 A10 car, Kelly was able to point out just how much movement there is in a factory setup. The factory cradle bushing has a small lip on the top which is a limiter. On our car, when we launched it at the track, this limiter was hitting the chassis, leaving a witness mark on the body from the cradle moving.
Sounds intriguing right?
Check out that video here:
Ready to upgrade that rear end?! Or needing a little more info?
Feel free to also give us a call at 561.753.8105 or shoot us a message!
Heres the links for the suspension packages:
OG Bread & Butter: https://www.lethalperformance.com/bmr-suspension-2015-mustang-bread-and-butter-package.html
Bread & Butter II ( The Sequel ): https://www.lethalperformance.com/b...g-bread-and-butter-ii-the-sequel-package.html
Jared took a trip over to BMR Suspension in Seffner, FL with our 2018 Mustang GT (aka Project Goldmember) to get the “Kelly Aiken” treatment. While there, we were able to pick Kelly's brain on the IRS and it's components. He has a surplus on knowledge on these cars from not only his own car (even planting GoPros underneath to monitor the suspension's activity) but also from the vast amount of fast cars using BMR Suspension, including 2 of the fastest IRS cars in the country.
Based on his experience, we asked him to pick out what he felt were the most beneficial components for these cars, the “Bread & Butter” as he calls it in the video. The following components will support cars going well into the 8s and those wanting to see low 1.2-1.4 60's (If you're faster than that, they have components for that, too!)
In an IRS car there are a couple of issues to address. The first issue is that the entire cradle assembly will move/rock. In our 2018 A10 car, Kelly was able to point out just how much movement there is in a factory setup. The factory cradle bushing has a small lip on the top which is a limiter. On our car, when we launched it at the track, this limiter was hitting the chassis, leaving a witness mark on the body from the cradle moving.
Sounds intriguing right?
Check out that video here:
Ready to upgrade that rear end?! Or needing a little more info?
Feel free to also give us a call at 561.753.8105 or shoot us a message!
Heres the links for the suspension packages:
OG Bread & Butter: https://www.lethalperformance.com/bmr-suspension-2015-mustang-bread-and-butter-package.html
Bread & Butter II ( The Sequel ): https://www.lethalperformance.com/b...g-bread-and-butter-ii-the-sequel-package.html
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