- May 4, 2013
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Hey guys this is my first post on here. I have a 1976 Mustang II Mach 1 that I'm in the process of restoring and heavily modifying. As part of the modifications I'm cutting the rear quarter panels about 4-6 inches higher up into the car so I can fit a larger tire and still have my car sit fairly low to the ground. Essentially when finished the wheel wells will look something like the 05-09's with similar fender flares and ground clearances. With that I will need to drop the rear of my mustang 4-6" as well. I've read a bit on guys who have blocked their leaf springs to achieve 2-4 inches of drop but upon examination of my car I have adjustable leaf springs. What I mean is that on the shackle that the leaf spring attaches to, there are three sets of holes that it can bolt to. This adjusts ride height. I'm currently sitting on the middle adjustment point and could lower it roughly 1.5" going to the next hole, but my question is, can I drill new holes even further up the shackle? I have about 8" of space on the shackle that I could drill into, more than enough to achieve my desired drop. I'm just worried about my drive shaft clearances and any other rubbing or issues I may have with such a dramatic drop in this way. If anyone has tried this could you let me know how it went, how far you dropped your car and any tips that may help me when I get going on this. Thanks