man your brackets look sturdy!
i am trying to leave my stock seats untouched.....
so that i can sell them if i can put my new seats...
i think what i am gonna do is to cut 2 sections of steel square tubes, and then mount them with bolts perpendicular to the stock tracks
then fab a bracket under the new seats, and mount those brackets onto the steel square tubes......
so it would look like this from the side:
/______\ <- bracket for new seats
D____D <- square tubes
--------- <- stock tracks
sorry for the crappy illustration....
the brackets would be made from 1" square tubes and 1.25" angle and the "sandwich" square tubes would be 1" too. do you think they would be sturdy enough?
thanx thanx