I made up the seat frame today - what a PITA!
I was working with one I'd started on and one I bought from an ex racer.
I bolted up the purchased one but it made the seat too high in the cabin so I used it as a reference to take measurements from and went back to modifying my first attempt.
It's really hard to get a race seat low enough over the standard mounts.
My goal was to use the original mounting system in the car to avoid engineering issues. I also wanted to be able to mount a stock seat belt buckle so I could have both a harness and a street legal seat belt in there.
I tacked the frame together , bolted it to the seat and tried it out... over and over again! I must have pulled it apart 3 or 4 times before I was happy with the driver position.
My biggest difficulty arises because I'm 6'2" tall and the helmet adds about another 3". The first seat mount had me pinned to the roof. You can get the back mounts lower than the front but that tilts the seat backwards. I eventually found a reasonable position after a lot of re-designs.
Here's the frame, it's blue to match the seat. massively over engineered no doubt, but I don't want to fall out mid corner.
I'll pop up a pic of the seat in the car when the paint is dry and I've purchased the correct bolts.
Pete
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