I know that Jacking Points have been discussed here before but I cant find a specific answer to this. I wish to jack the car up on the sill using an hydraulic jack, the jack is not easy to get under the car whilst the wheels are still on so the sill is the obvious place rather than under the suspension arm supports. Can anyone tell me if the sill jacking point has a strengthened seam or whether the area either side of the seam is strengthened to support the weight, in which case I will have to make a small jack-pad with a groove in it. Looking at the sill I would guess that the sill seam is not strong enough to safely take the weight without bending.