To give you a bit more perspective to where your stance is, here's a pic of my 71'. It sits perfectly level, has 17" wheels and the tire height is 25". Top of front tire even with the wheel arch and rear wheel tucked up inside.
Yours looks a tad bit lower on the rear, which mentioned in prior posts is probably due to age. You can either re-arc the leaf springs, buy new ones or add an ugly shackle.
I'm curious, does the car have the bachelor lean? Left side lower than the right side, due to solo occupancy over the years.
I have TTI headers and they hang evenly with the transmission oil pan on mine. I don't understand why one header would be lower than the other, unless they're mismatched or a cheaper set.
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