Back to stripping some parts again as still waiting on another Willys before I can really begin construction. Got a line on a 1950 cab that is on a HJ rolling chassis, but comes with a 1950 Willys complete rolling chassis and drivetrain plus a 1948 one as well! Trying to get him to sell me just the cab and 1948 rolling chassis as don't want the rest. Just cost too much to transport it otherwise as is 2000 km away.
So it is on to removing the rear suspension mounts. Shown here upside down and ready to dismantle after taking all the measurements I need.
This bush is part of the upper control arm mount. So the weld needs to be cut away so it can be removed from this frame rail.
Easiest way I thought to remove the weld is to choose a hole saw with the same inside dimensions as the outer part of the bush. Didn't even need the pilot drill to be centred in something and cut through the weld easily. Just use a slow drill speed and some heavy oil, I used diff oil, to lubricate it.
So here is the upper mount off showing the bush I cut free with the hole saw that passed through the frame. The top mount is the lower control arm mount. All the suspension mounts are made with HSLC, (High Strength Low Carbon), steel. http://en.wikipedia.org/wiki/High-st...ow-alloy_steel
The photo shows how many spot welds I have to remove to get this reinforcement plate off. It supports the swaybar, coil and shock absorber mounts. You are looking at the Grand Cherokee donor rear frame section upside down.
Continually surprised how much effort they go to to stop noise transmission into the body. This a section of the frame that supports the rear shock absorber.
The rear shock mount broken down into pieces. Top left is part of the floor, outer frame rail, plastic noise absorbent material followed by the inner frame part that holds the inner part of the shock mount.
Starting from left to right along the back: Lower control arm mount, upper control arm mount, coil mount, panhard rod mount and shock mount. Across the front is the frame support for swaybar, coil and shock mounts
Hoping to reuse all these on the Willys frame rails. Hard part is that the Willys frame is much narrower at 2" where these brackets are to fit over 3.5". Not sure the best way to make up the difference yet.