jsnpdy22
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mazdapromp3, im using a 2 inch drop mazda spindle. I bought a tapered reamer bit and tapered the hole myself. The reamer is 2 inch per foot or 10 degree taper. There is a place called XKUT that sells them.
joshbrennan, i tacked two pieces of scrape metal to the frame, one to the left of the mount and one to the right of the old mount, then got my measurements from them. I did this because there really isnt anywhere to get a measurement from the old mount. So it would be hard for me to give you the measurements because of the way i set them up. The mount itself measures 17/8x3 inches. I have a picture of the jig i made to relocate the holes somewhere if you need it.