Bucket Seat compatibility
The shape of the buckets WILL be different, the 75 will have high backs. The mountings (floor brackets) should be fairly similar. You might see some difference on the passenger side on the 75 due to the catalytic converter being under that immediate area under the floor. The floor may be bumped up a little higher to fit the cat underneath, and the brackets a little shorter - maybe. Check it out and make a determination. I would say you can make it work in all likely hood.