Building a new Mustang - Ford Mustang Forum
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post #1 of 2 (permalink) Old 08-02-2015 Thread Starter
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Garyalpusa's Avatar
Joined: Aug 2007
Location: State College
Posts: 766
Building a new Mustang

Hi folks, been a awhile since I posted on the forum because I was busy building a new Mustang. My 05 GT open tracker wound up in the wall last fall, at Watkins Glenn when a water hose broke and wet down the track. Scratch one Mustang. I purchased an 05 V6 flood car from NJ and proceeded to strip it down to the bare shell. Luckly the drive train from the wreck was ok so I used the 09 Shelby 5.4l and drivetrain. The complete premium GT interior from the old car and a bunch of new parts to complete the build. I was going to build a track only car but decided not to when I figured I would only get to drive the car 4 or 5 times a year. I enjoy driving it as much as possible during the year so I made it a combo street tracker with full interior and AC.

The big suspension change I made was to use BC racing coilovers. That is a compromise because I had to keep the cost down somewhere. So far I am pleased the with the BCs, however there has been a learning curve on how to set them up and what makes them work on a mustang.

Out of the box the coilovers are set to the lowest ride height. When I put them on I had about an inch of ground clearance and the tires were well inside the fenders front and rear. The nice feature on the BCs is that you can adjust the ride height without compromising the the shock and spring lengths. There is a lower hub that attaches to the spindle that is 7.25 inches long. A threaded tube turns into the hub and adjusts the ride height. You can turn the tube all the way out until there is 1.5 inches of thread left in the hub. I adjusted mine so the ride height is about 29 inches from the ground to the centerline of the fender on the front wheels. That gives me about 2.5 inches from the top of the tire and 4 inches ground clearance. That also leaves about 2 inches of threaded tube in the hub, so Im good to go. You can really slam it lower if you want but that creates alot of problems with suspension travel and ground clearance.

The rears are another story. The BC system gives you a separate coil spring with height adjusters and shocks that also are length adjustable. The proper way to use these is to set the ride height with the springs, set the preload by raising the rear about and inch and then adjusting the shocks to fit the position of the rear end. There is a video of this procedure on UTube already so check it out if your interested. The base springs that come with the kit are 180mm long and are variable rate. I found these too soft and short at the highest setting. Had to order a 220mm straight spring which is about 1.5 inches taller then the original. That gave enough height adjustment that I dont bottom out the rear over moderate bumps on the street. The straight springs seem a bit stiffer then the variable rate springs, but I prefer that, especially on the track.

I have had the car on the track a couple of times this summer and so far am pleased with the way it handles. Im still trying to get up to speed. The memory of the wall in front of me and the expense of building a new car is still fresh so I guess I have the "yips". Each track day gets better so it only takes time....

05GT, 09 GT500 Drivetrain, 2.6 pulley, JLT intake, 18x9.5 GT500 wheels, 14" Brembos, 2014 rear brakes, 14 cooling fan, Cortex racing Koni Coilovers, Cortex Watts Link BMR:K-Member, Tube rad support, adj upper third link, rear relo brackets,JBA long tubes and catted mid pipe, Stillen adj front & rear sway bars, Bump steer kit, Steeda shifter, Spydershaft Aluminum DS.
John Lund tune, 568 rwhp, 560 tq.
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post #2 of 2 (permalink) Old 08-02-2015
phillip123's Avatar
Joined: Dec 2014
Location: Birmingham, AL.
Posts: 133
Do you have any pictures?

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