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My Father's 1977 F100 sat for about two years after he passed away. A few days ago I started the process of making her road worthy again. It was hard to start and wanted to cut off. After a while it would idle roughly but ok. When I gave it gas it would go dead. If I gave it gas slowly, it would take it ok but still a little rough. It spark knocks a little going down the road when I give it gas but not when idling. Right now it is not running well enough to use but I can get it to a mechanic if I knew one who had experience with these things. What I have done from reading threads is: I replaced the plugs and wires, replaced the EGR and PCV valves, installed a new coil and ignition module and of course replaced the air filter. The fuel filter looks ok but the fuel lines and pump are next. Any help would be appreciated. I know the logical step would be the carb but it was rebuilt just before Dad died so I was hoping it was ok. Thanks everybody. By the way, it has a 302 with an automatic and AC.
Welcome, and I am glad to hear you are getting your Dad's truck going again.
Fuel filters are so cheap that I would make that an automatic change especially when sitting for a couple years. The gas in the tank and the lines is probably full of crap.
Buy a few fuel filters and change 'em often, I would suggest.
I would get the old gas out of the system, and Mabye try dumping some seafoam down the carb while it is running and add a can to the tank, should clean things out nicely. and like posted before, get a new fuel filter.
x3 on the fuel filters. Seafoam works really good in fuel tanks, and all that crud is going to head straight to the carb. i made the mistake of not having a fuel filter on for about a 20 minute drive to the parts store after dumping some seafoam in the tank. I had to rebuild the carb...
x3 on the fuel filters. Seafoam works really good in fuel tanks, and all that crud is going to head straight to the carb. i made the mistake of not having a fuel filter on for about a 20 minute drive to the parts store after dumping some seafoam in the tank. I had to rebuild the carb...
Thanks guys. Tomorrow I will add a can of seafoam and buy a rebuild kit for the 2150. It has been a while since I worked on a carb but it should all come back to me. I'll replace all the fuel filters, the one in the pump and the clear one Dad added just before the carb inlet. If there is anything else, I would appreciate hearing about it. I really don't need the truck for hauling, but it sure does make me feel closer to Dad when I drive it. He sure did love that truck. Anyway, my son is three and maybe after I'm gone, he can sit with his son and rebuild the carb again. The truck should last another 50 or so I hope. Thanks again for the quick responses.