> Since you didn't specify the car, I can only talk in generalities or
> more specifically about Spitfires which I have some first hand
> The front trunions are indeed screwed on but they are handed so one side
> screws off the opposite direction as the other.
On a TR2-early TR4 the trunnions are not handed; but they do have a stop bolted
on the back which must be removed to unscrew the trunnion from the vertical
link. The later TR4-4A trunnions are different from side to side; but I believe
still have right hand threads on both sides.