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2015+ S550 Mustangs
S550 Mustang Suspension Modification/Discussion
The Ultimate Suspension Packages for your S550!
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<blockquote data-quote="black03" data-source="post: 15895294" data-attributes="member: 4037"><p>We've been busy working closely with our friends over at BMR Suspension to package up these kits specific to our S550 customers. Huge thanks to Kelly Aiken for all the help!</p><p></p><p>First, we brought you the "Bread & Butter" package, a collab between Lethal Performance & Kelly Aiken of BMR Suspension. While that kit has become hugely popular, it may be overboard for some of you who daily drive your car but still want to harness that power at the track. Or maybe you road race the car, hit HPDEs or just like to race it on the weekends. We worked with Kelly to put together the bare essentials, a starter package, for the 2015-up Mustang GT. These parts have seen 9 second runs & even 1.3 60's at the track. This is a GREAT place to start. </p><p></p><p>[ATTACH=full]1484806[/ATTACH]</p><p></p><p><strong>The "Biscuits & Gravy" package includes:</strong> </p><p></p><p><strong>BK081</strong> – Spherical Lower Control Arm Bearing</p><p>Designed to eliminate cradle deflection & wheelhop</p><p>“One of the most important & overlooked components” -Kelly Aiken</p><p>Factory bushings are molded from soft rubber & contain voids/air pockets, causing movement of the lower control arm during aggressive launching/driving. The solid spherical setup eliminates these voids, therefore eliminating the control arm movement.</p><p>Also keeps the wheels from moving forward due to bushing deflection at WOT</p><p></p><p><strong>TCA048</strong> – Vertical Links</p><p>Light & strong, while still offering bushing compliance & no increased NVH</p><p>Limit range of cradle movement</p><p>Only vertical link on the market that has ability to grease/service the bushings ON the car.</p><p></p><p><strong>CB010</strong> - Cradle Bushing Lockout </p><p>Reduce Wheelhop, bushing deflection, and cradle movement on your S550 Mustang with a Level 1 Cradle Bushing Lockout Kit from BMR Suspension. Built from 6061-T6 billet aluminum and stainless steel, BMR’s CB010 Cradle Bushing Lockout Kit is designed to reduce cradle bushing deflection, which is one of the biggest causes of wheelhop. BMR’s CB010’s billet aluminum upper bushing lockout rings capture the inner bushing sleeve (front and rear) and the outer lip of the bushing cup on the cradle (front). The lower bushing locating washers (front) capture the bottom portion of the bushings’ inner sleeves. By capturing both parts of the bushings’ inner sleeves, movement on any plane (fore/aft, lateral, and vertical) is nearly eliminated. </p><p></p><p>[MEDIA=youtube]Im-2cLh6TOA[/MEDIA]</p><p></p><p></p><p><strong>Next up is our Bread and Butter Package!</strong></p><p>[ATTACH=full]1484807[/ATTACH]</p><p>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? </p><p></p><p>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. </p><p></p><p>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!) </p><p></p><p>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 </p><p></p><p><strong>CB005</strong> – Cradle Bushing Lockout Kit</p><p>Designed to eliminate cradle bushing deflection & wheelhop</p><p>80%-90% reduction in fore/aft and lateral cradle bushing deflection</p><p>Comes with spacer rings to lock out the top of the cradle bushing so that it doesn't deflect at WOT</p><p>Comes with lower bushing mounts to eliminate lower bushing movement, keeping it from dipping down & causing the pinion to rise</p><p></p><p><strong>BK081</strong> – Spherical Lower Control Arm Bearing</p><p>Designed to eliminate cradle deflection & wheelhop</p><p>“One of the most important & overlooked components” -Kelly Aiken</p><p>Factory bushings are molded from soft rubber & contain voids/air pockets, causing movement of the lower control arm during aggressive launching/driving. The solid spherical setup eliminates these voids, therefore eliminating the control arm movement.</p><p>Also keeps the wheels from moving forward due to bushing deflection at WOT</p><p></p><p><strong>BK051</strong> – Differential Bushing Lockout Kit</p><p>Designed to eliminate the voids in the stock differential bushing setup</p><p>Locks the differential movement so that breakage of driveline components is avoided</p><p></p><p>If you're going to do the differential bushings, we HIGHLY suggest upgrading the hardware while you're in there. Not only are the bolts themselves stronger than the OEM pieces, but the kit also plays an integral role in limiting differential movement. In the rear bushing, the stock bolt has a ton of play in it as it is a smaller diameter than it's location. This causes the diff to be able to move, as shown by the bolt being off center in our car, which in turn changes pinion angle, causing vibration & driveline parts carnage (like us breaking our driver's side axle on Project Goldmember). This play in the bolt also leads to the bushing & cradle actually slicing/cutting the bolt when the car is loaded up & launched. No bueno! Then there is the front bushing setup, which is a threaded design from factory. Because the bushing sheer strength is relying on the threaded part of the bolt, it is much weaker than if it were to rely on the shank (or solid) part of the bolt. These are all helped with the hardware upgrade kit.</p><p></p><p><strong>LP-550179</strong> – Extreme Differential Bushing Hardware Upgrade Kit</p><p>Designed as an upgraded version of BMR's RH017 Hardware Upgrade Kit</p><p>Upgrades both the front & rear differential bushing bolts to stronger pieces</p><p>Sleeve placed in rear diff bushing eliminates void from factory</p><p>Front bushing threads are drilled out & bolt is replaced, with bushing sheer on solid part of bolt and a nut in the rear, which is roughly 70% stronger</p><p></p><p>Continuing on, the following components will allow more fine tuning of the rear suspension:</p><p></p><p><strong>TR005</strong> – Double Adjustable Rear Toe Rods</p><p>Stock stamped steel pieces equipped with eccentric bolt slip & pivot under load, changing the alignment of the rear wheels</p><p>BMR pieces keep geometry better during suspension arc due to offset spherical bushing</p><p>Come with lockout plates for the mounting point to eliminate the eccentric bolt from factory that turns</p><p>Allow for a wide range of adjustment</p><p></p><p><strong>TCA048</strong> – Vertical Links</p><p>Light & strong, while still offering bushing compliance & no increased NVH</p><p>Limit range of cradle movement</p><p>Only vertical link on the market that has ability to grease/service the bushings ON the car</p><p></p><p></p><p>[MEDIA=youtube]xB2iRCgOwzE[/MEDIA]</p></blockquote><p></p>
[QUOTE="black03, post: 15895294, member: 4037"] We've been busy working closely with our friends over at BMR Suspension to package up these kits specific to our S550 customers. Huge thanks to Kelly Aiken for all the help! First, we brought you the "Bread & Butter" package, a collab between Lethal Performance & Kelly Aiken of BMR Suspension. While that kit has become hugely popular, it may be overboard for some of you who daily drive your car but still want to harness that power at the track. Or maybe you road race the car, hit HPDEs or just like to race it on the weekends. We worked with Kelly to put together the bare essentials, a starter package, for the 2015-up Mustang GT. These parts have seen 9 second runs & even 1.3 60's at the track. This is a GREAT place to start. [ATTACH=full]1484806[/ATTACH] [B]The "Biscuits & Gravy" package includes:[/B] [B]BK081[/B] – Spherical Lower Control Arm Bearing Designed to eliminate cradle deflection & wheelhop “One of the most important & overlooked components” -Kelly Aiken Factory bushings are molded from soft rubber & contain voids/air pockets, causing movement of the lower control arm during aggressive launching/driving. The solid spherical setup eliminates these voids, therefore eliminating the control arm movement. Also keeps the wheels from moving forward due to bushing deflection at WOT [B]TCA048[/B] – Vertical Links Light & strong, while still offering bushing compliance & no increased NVH Limit range of cradle movement Only vertical link on the market that has ability to grease/service the bushings ON the car. [B]CB010[/B] - Cradle Bushing Lockout Reduce Wheelhop, bushing deflection, and cradle movement on your S550 Mustang with a Level 1 Cradle Bushing Lockout Kit from BMR Suspension. Built from 6061-T6 billet aluminum and stainless steel, BMR’s CB010 Cradle Bushing Lockout Kit is designed to reduce cradle bushing deflection, which is one of the biggest causes of wheelhop. BMR’s CB010’s billet aluminum upper bushing lockout rings capture the inner bushing sleeve (front and rear) and the outer lip of the bushing cup on the cradle (front). The lower bushing locating washers (front) capture the bottom portion of the bushings’ inner sleeves. By capturing both parts of the bushings’ inner sleeves, movement on any plane (fore/aft, lateral, and vertical) is nearly eliminated. [MEDIA=youtube]Im-2cLh6TOA[/MEDIA] [B]Next up is our Bread and Butter Package![/B] [ATTACH=full]1484807[/ATTACH] 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 [B]CB005[/B] – Cradle Bushing Lockout Kit Designed to eliminate cradle bushing deflection & wheelhop 80%-90% reduction in fore/aft and lateral cradle bushing deflection Comes with spacer rings to lock out the top of the cradle bushing so that it doesn't deflect at WOT Comes with lower bushing mounts to eliminate lower bushing movement, keeping it from dipping down & causing the pinion to rise [B]BK081[/B] – Spherical Lower Control Arm Bearing Designed to eliminate cradle deflection & wheelhop “One of the most important & overlooked components” -Kelly Aiken Factory bushings are molded from soft rubber & contain voids/air pockets, causing movement of the lower control arm during aggressive launching/driving. The solid spherical setup eliminates these voids, therefore eliminating the control arm movement. Also keeps the wheels from moving forward due to bushing deflection at WOT [B]BK051[/B] – Differential Bushing Lockout Kit Designed to eliminate the voids in the stock differential bushing setup Locks the differential movement so that breakage of driveline components is avoided If you're going to do the differential bushings, we HIGHLY suggest upgrading the hardware while you're in there. Not only are the bolts themselves stronger than the OEM pieces, but the kit also plays an integral role in limiting differential movement. In the rear bushing, the stock bolt has a ton of play in it as it is a smaller diameter than it's location. This causes the diff to be able to move, as shown by the bolt being off center in our car, which in turn changes pinion angle, causing vibration & driveline parts carnage (like us breaking our driver's side axle on Project Goldmember). This play in the bolt also leads to the bushing & cradle actually slicing/cutting the bolt when the car is loaded up & launched. No bueno! Then there is the front bushing setup, which is a threaded design from factory. Because the bushing sheer strength is relying on the threaded part of the bolt, it is much weaker than if it were to rely on the shank (or solid) part of the bolt. These are all helped with the hardware upgrade kit. [B]LP-550179[/B] – Extreme Differential Bushing Hardware Upgrade Kit Designed as an upgraded version of BMR's RH017 Hardware Upgrade Kit Upgrades both the front & rear differential bushing bolts to stronger pieces Sleeve placed in rear diff bushing eliminates void from factory Front bushing threads are drilled out & bolt is replaced, with bushing sheer on solid part of bolt and a nut in the rear, which is roughly 70% stronger Continuing on, the following components will allow more fine tuning of the rear suspension: [B]TR005[/B] – Double Adjustable Rear Toe Rods Stock stamped steel pieces equipped with eccentric bolt slip & pivot under load, changing the alignment of the rear wheels BMR pieces keep geometry better during suspension arc due to offset spherical bushing Come with lockout plates for the mounting point to eliminate the eccentric bolt from factory that turns Allow for a wide range of adjustment [B]TCA048[/B] – Vertical Links Light & strong, while still offering bushing compliance & no increased NVH Limit range of cradle movement Only vertical link on the market that has ability to grease/service the bushings ON the car [MEDIA=youtube]xB2iRCgOwzE[/MEDIA] [/QUOTE]
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The Ultimate Suspension Packages for your S550!
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