Bought an 89 GT. Has the tubular K member and has the Cobra brakes 5 lug. 90/10 lakewoods and 14-175's springs. Wheels currently on the car are the Cobra R's 17's.
Here's where it goes south.. I want to install these Weld prostars I bought assumming they fit

.. the problem is wheels hit calipers.. and stick out hitting the fender

.
What is the solution to running prostars on an 89 Mustang.
What size tires on 3.5 welds. I beleive the answer is a 165r15.
Based on what I can gather the control arms are of different lengths on the 87-93 and 94-04. And there seems to be an issue with the the spindles of the 94-95 era and the 96-04.
So my question what do I need.. brakes, spindles, and control arms.. to use Prostar 3.5 wheels on my 89 Mustang

Without going the Aerospace/Strange/?? $800+ deal. How can I tell what control arms I have?
Thanks guys.. always something..

Always learning..