As well as loose about all the suspension you had. If the axle were on top of the springs it will be that much closer to the frame and not much compression left in the springs before it bottoms out.

What's with the need or desire to "lower" it to start with?

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-