Hi Lashman! Thanks. I will use the runners that I had for my Corbeau seat to start with. They are slightly longer, but otherwise almost the same as "original".
Hi Steve! Thanks. If you can find any information about which runners were used please let me know.
I have pictures, I know how they should look.
The information I have is that the seat should have runners able to adjust your position on the drivers side.
Two levers, one on each runner (!) - probably to make it more stable for racing. But the passenger side seat should be fixed in place. That is on the type of seat that I had made.
E.g. on KPU 392C there is a different type of seat, deeper with more tubing (on the side of the seat). These seats seem to be using the original Cortina floor mounts with a tube under the two brackets. I don't know why, I don't really think they made them like that to enable passengers in the back seat....? :roll:
The tubing on the two seats are different, the left hand should have symmetrical tubes/"legs", but the drivers seat should have wider spaced "legs", and be slightly different underneath the front of the bucket on the left hand side, as far as I know. The reason is that it makes it possible to have them fully adjustable (the transmission tunnel interferes ever so slightly otherwise), easier to fit them due to the way the floor is constructed, and to be able to have the steering wheel (almost) in front of you instead of slightly offset.
They were made as a one-off by a friend of mine from reproduction buckets for the Lotus 18, just like the black one that mickmade wrote about above. Tubing was made from measurements and pictures etc, and the upholstry was made by a craftsman specialized in car interiors. A lot of work, and they will need some fettling to fit.... But it will look good

, and probably be better than the standard seats for driving, especially on the race track and on curvy roads. My original seats are not bad at all, but would probably benefit from some new padding after 51 years...
I know that some LC owners do not like replica parts, but I really like the look of the works cars.
All modifications I make on my car are also easily reversible, if I -or the next owner- change my mind. The original seats will be stored on a shelf for future use.
/Magnus