69 Impala with 350 idles but dies while driving
I am glad I found this forum and was able to join it. I have a problem that I hope someone here can help me with. It has drove me nuts for a few months now, any help would be great! Here is my problem. I have a 69 Impala with a 350 engine. It starts and Idles good but when I drive it for about 15 to 20 min. It starts to spudder and the engine will sometimes die as if it is running out of gas. When it dies it will start right back up, and if I can get pulled over and sit with it in neutral a min. or so it smooths back out and runs for a few more miles and repeats the issue. I have replaced the plugwires, plugs, distr. cap, rotary, coil, I have rebuilt the carb (Rochester quadra jet 4MV ), repaced the fuel filer, fuelpump, replaced. vacuum lines, I even changed the thermestat but I still have the issue, IM STUMPED! Any Sugestions? I have also checked the timing and checked for signs of a blown head gasket. Timing looked good and I found no oil in the water, no water in the oil, no coolent comming out of the tailpipe. I would realy like to get this car back on the road I miss her! I have noiticed that the flap on the passenger side exaust manifold has a broke thermastat spring and im not sure if the down position is open or closed, or if this could be the problem. I have tried it in the up position and it did'nt seem to help.
Last edited by tatman6; 11-03-2013 at 09:38 AM.
Reason: More info on things I have tried.