I know this thread begins at 83, but I didn't see anything for previous years. Here's the deal:
I have a 77 Thunderbird engine in an 80 Ranger I bought relatively recently. This truck needs a lot of love, but I need to get it driving before I can pull the engine and tend to its needs. It has some vacuum issues that are more or less preventing it from staying running well in gear. It's a 351W with a Motorcraft 2150 carb. The carb is freshly rebuilt, but I'm not sure the vauum lines are on there right. On the front of the carb, I have one line running from the EGR Plate to the valve cover, and the other line on the right is running straight to the distributor. The line on the back I believe is supposed to run to the EGR, but I have it plugged because the EGR valve is shot. I also have the EGR Valve plugged. The only place I can see manifold vacuum coming from is one tree on the rear of the engine. Any thoughts on where I could be losing vacuum from when put in gear, or maybe some lines that aren't hooked up correctly? Any help would be greatly appreciated!
I have a 77 Thunderbird engine in an 80 Ranger I bought relatively recently. This truck needs a lot of love, but I need to get it driving before I can pull the engine and tend to its needs. It has some vacuum issues that are more or less preventing it from staying running well in gear. It's a 351W with a Motorcraft 2150 carb. The carb is freshly rebuilt, but I'm not sure the vauum lines are on there right. On the front of the carb, I have one line running from the EGR Plate to the valve cover, and the other line on the right is running straight to the distributor. The line on the back I believe is supposed to run to the EGR, but I have it plugged because the EGR valve is shot. I also have the EGR Valve plugged. The only place I can see manifold vacuum coming from is one tree on the rear of the engine. Any thoughts on where I could be losing vacuum from when put in gear, or maybe some lines that aren't hooked up correctly? Any help would be greatly appreciated!
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