Monday, September 10, 2012

Measuring for the New Motor Mounts

The bolt in transmission brace from the old 4 speed isn’t useful for anything here so it’s out. There is a riveted in brace that looks like it braces the frame at the steering box against forces induced by the steering arms against the wheels. We had to cut a notch in that to allow the Getrag trans to clear, but other than that everything seems to fit in with plenty of clearance. The oil pan clears the main frame cross member by about 1-1/2”, and the rear most valve cover is about 1” from the firewall. Even the bell housing clears well. I got new motor mounts (pillow blocks) and it looks as though we can mount one of those directly to the cross member with a 3/16” reinforcing plate that we will weld onto the cross member to help spread the load. This may just be precautionary. But because the pillow blocks mount with only one ½” threaded mount and are usually bolted to towers that bolt to the frame with 3 or 4 bolts I think it is therefore smart to spread the load a bit. The mount on the driver side will be more elaborate but still very simple.
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