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April 28, 2006
3 link measurements, night one
One of the constraints to fabbing the 3 link is the gas tank directly above the rear axle. With the axle at ride height (car on jackstands, front frame and Ford 9" rear axle), there is about 5-6" clearance directly above the back edge of the rear axle tube, but this increases towards the middle for pumpkin clearance. The distance from the bottom of the rotor to the ground is 15.375" on both sides.
Next, time to set the rear jackstands on the frame, and remove the springs so the axle can be moved through it's full range of travel. The bumpstops have been removed, but the previous travel was 3.375" until the bumpstops touched the top of the axle tube. They were about 2.5" thick. Bottom of the rotor is 17.75" from the floor at full bump, which is 2.375" of bump travel.
The clearance at full bump is 4.5" (6.25" from axle horizontal centerline, and about 30" from the concrete floor) from the top of the axle housing (about 8" right of center) to the bottom of the gas tank. Clearance goes up to about 6" at the middle of the housing.
Approximate length of the center of the rear axle to the roll bar hoop is 20".
Posted by Z28tt at April 28, 2006 11:06 PM