Anything larger than that is not acceptable or recommended. Here is the installation of the new tapped 6mm 90 degree grease fittings. The forward eye needs to point down and to the front of the car at about a 10 or 15 degree angle. The rear fitting needs to also point forward but at about a 45 degree angle. I've found these positions to be very favorable.
Look at your IRS in the car before you pull it out to see if you agree with the positions of these fittings. Here is a short video showing the shimming washer and grease fitting locations. Top view of the IRS with the bushing kit installed.
Side view. Rear view. Before putting the subframe assembly back in the chassis, it's a good idea to spread the front mount locations a little bit. They have a tendency to squeeze together making the replacement of the subframe more difficult than it should be.
Then, take a UHMW subframe bushing from the subframe kit and try it in the opening to check for clearance, before you install the UHMW bushings into the subframe. Here is a photo of the front diff support as it should be installed in the vehicle. For all IRS applications regardless of the rear diff mount FT or FT , you want to raise the front nose of differential up as high as you can without it actually rubbing or touching anywhere on the subframe.
The small bushings go on top; usually with a single shimming washer. If you grind the subframe slightly for some additional clearance, you will not need the single shimming washer on top. The large bushings and the remainder of the shimming washers should be placed on the bottom.
Put in as many shimming washers as you can on the bottom of each side. Some vehicles may only accept 3 or 4 shimming washers on the bottom, some will take 4 or 5. Click here for information on setting pinion angle. Adjustable Sway Bar End Links. Here is a photo of the link mounted on a mock-up IRS assembly along with a short video: The upper and lower mounting bolts will come to you assembled and tight on the heim joints.
You will notice there is a thin jamb nut on one of the mounting bolts and a thicker standard thickness nut on the other. The standard thickness nut that goes on the upper mounting point assists in getting the alignment between the anti-sway bar and the control arm improved.
This upper mounting bolt is 5mm shorter than the lower mounting bolt. You want to make sure the eyes of the heim joints are lined up when tightening them making sure one is not cocked to one side or the other. Install the link on the outside of the anti-sway bar and from the outside on the lower control arm. When installing these links make sure the car is level and there is no pressure on the links when tightening the mounting hardware.
The car will need to be on a drive-on lift or jacked up onto four drive on ramps to do this. If there is pressure on the links you risk shifting the car's weight from one side to the other. The torque specs for these 10mm nuts are 33 ft. Rear subframe bolts need an unthreaded lead on them to guide the floating nut onto the thread to prevent cross-threading.
Driveshaft-to-pinion flange Blue Loctite 12 x 1. Full Tilt Boogie Racing Inc Waukesha, WI Order Mustang Parts. Order Focus Parts. Customer Car Showcase. Click here! This brace creates a solid connection between the front differential bushing mount and the subframe, that will result in a stiffer IRS assembly. Click here to purchase. Here are a couple of videos that show what is happening with the IRS during launch with the factory OEM rubber bushings installed. LCA and Knuckle. Russell four piece front and rear stainless steel braided brake line set.
S Mustang Universal general purpose rear caliper piston retraction tool. FT FT The 48 vane Brembo rotor rings weigh approx. We have a choice of slightly heavier or slightly lighter weight rotors. Check spec sheet above to see if they match your application. S 13" Rear Brake Conversion Two piece floating rotors. Our S 13" rear brake conversion kit, part number FT was developed to replace the inadequate and undersized rear brakes of S cars Mustangs equipped with Brembo 14" front brakes.
If you are doing track days with your car, please be aware that your car has the same Even if you are not doing track days you will appreciate the additional stopping power this kit will provide for you and your vehicle. This kit was originally developed on a Shelby GT that came with those same undersized rear brakes. That is not a good balance. This kit relocates the OEM rear caliper to accommodate a larger 13" diameter rotor and increases the rear braking leverage significantly.
There is no need to change the rear brake lines and you retain your emergency brake as well because the calipers are not being changed, only relocated. Unlike some other 13" rear brake conversion kits on the market, this kit is a direct bolt on with no need to disassemble the differential and pull the axles.
The increased braking leverage in the rear will settle your car much better in hard braking situations. Because your OEM rear brakes are so undersized, there is no need for a brake bias adjuster after the installation of this kit. As a bonus, our 2 pc 13" floating rotors weigh This saves almost 3 of unsprung weight and rotating mass. This kit puts your front and rear brake bias at a much more desirable and balanced level like it should have come from Ford.
FT Kit mounted on car. The caliper bracket needs to be ground for bolt clearance. A closer view. OEM camber adjusting bolt in the upper control arm, notice the washer does not fill the entire milled width in the control arm. Full Tilt Boogie Racing's new replacement IRS camber adjusting bolt fills the entire milled width of the upper control arm for increased camber adjustment. Note increased eccentric washer thickness.
This photo shows the increased offset of the eccentric washer on the upper control arm. Elongating the bolt slot on the UCA will give you increased camber adjustment. This is the amount of material that needs to be removed from both ends of both slots of the UCA to take full advantage of increased camber adjustments with this new eccentric camber adjusting bolt.
This photo shows the increased thickness of the eccentric cam as compared to the OEM part. The bolt on the FTBR eccentric camber adjusting bolt, is welded to the eccentric washer and cannot slip as in some cases with the OEM part.
The assembly is clear zinc plated to help prevent corrosion. Order Mustang Parts. Order Focus Parts. Customer Car Showcase. IRS Bushing Locations. FTBR Swag. Dealer and Install Facilities. What's New. Installation Photo's and Tips. Setting Pinion Angle.
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