[DeTomaso] Seats: Specifically the Passenger Side Seat, and the Emergency Brake Housing.

[JDeRyke at aol.com]

Possibly the simplest method involves making a pair of 1/8"-thick straps 
about 1" to 2" wide with two sets of holes an inch apart, for the rails and 
seat base to bolt in separately This offsets the seat towards the door. Early 
in my flat-firewall mod I did this using 2" wide pieces of aluminum strap. 
The offset allows the seat base to more than clear a totally stock E-brake 
assembly (and a CD player mounted in front of it, in our car) and keep the 
rails as stock, while also offsetting the seat back over a little towards the 
door. 
This allows the back to hit the firewall bubble further over on its curve, 
allowing it to go back a bit further for some extra leg room- appreciated by 
long-legged passengers. The only negative is, it cants the seat more than 
stock relative to the centerline of the car, which will probably bother a few 
people. And you need 4 extra bolts & nuts. FWIW- J DeRyke