Bob, my right (engine side) mounts are specific to 2" tubing but I could sure draw up a 1-1/2" version--go to the address in my sig and click the "Contact us" menu. My left (trans side) mount can fit 1-1/2" no prob. The rear mount is left as an exercise for the student. :-)
And yes, I'll be delighted to be your Miata-based front suspension source...ping me at Kinetic and we can discuss details (without putting our fellow ecomodders to sleep).
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