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Next I removed the throttle arm assembly, which is situated in the rear of the engine bay up against the firewall. It connects at the bottom to the gas pedal and at the top to the choke cable mounted to a knob on the console. On the engine side of the arm is another throttle cable that runs to the carburetors.

Below (left) is a picture of the two cables and where they connect into the throttle arm. I had some trouble removing these cables, which each have a barrel-shaped metal end to catch and actuate the arm. I got some advice from some members of the forums at 311s.org, who could tell that the top of the rod, which is split in half, was cinched together. I was able to get a flat-head screw driver in there and just barely work it apart and get the cables out. Below right is a picture after I removed the choke cable and just before I removed the throttle cable. The throttle arm itself consists of the vertical rod, upon which the cables mount, and a horizontal crosspiece that feeds through the firewall on both ends, one end onto which the gas pedal is mounted. So stepping on the pedal spins the horizontal rod clockwise and tilts the vertical rod backwards, pulling on the throttle cable and opening up the throttle on the carbs.

The horizontal crosspiece is mounted to the body by two brackets; one on each side. Each bracket has two bolts into the body. I removed all the bolts using a #3 philips head screwdriver and worked the throttle arm out of the engine bay. Actually it wasn't so easy. While I was removing the bolts on the passenger side of the engine bay I dropped my screwdriver, which fell back into the transmission tunnel and rested between the tranny and the body. I could see the yellow on the handle but couldn't reach the screwdriver from the front (engine bay) or back (down the hole beside the shifter). For a few minutes I thought I would have to do without that screwdriver until the body came off the frame (which makes me wonder what else I will find under there!). But then I asked my girlfriend, who has thin arms, to see if she could reach back there between the head and the firewall and get the screwdriver. She obliged and was able to reach the screwdriver (thank you).