yes it is nearly two thirty in the morning but I just got done trying to figure out what's wrong with it. It's in an 85 Grand Prix and I found the timing was not advancing so the first step I took was change the computer with no change. Next I changed the control module and wiring harness and rechecked the timing. Sitting still the timing advanced but after a road test it has no power and doesn't seem to pick up any till you back off the gas just a little, but still not responsive enough to maintain a safe road speed. I'm starting to think either a sensor in the carb or some part of the exhaust system is collapsing. I have already replaced the cataylic convertoer with one that's been gutted so I know it can't be that. Anyone got any suggestions on where to go next. Wife has to drive about 30 miles one way to work and I need to figure out quickly what is wrong so the car doesn't quit on her somewhere in the middle of the night. Any suggestions?
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1971 GTO,72 400, stock bottom end, 670 heads, Lunati BMII cam, headers, iron intake Q-jet, four speed. Best 60 ft 1.806in 2004. Best 1/8th mile e.t. 8.46 with 3.55 open rear
85 Grand Prix, 70 400, casting 62 heads stock rebuild, Turbo 350 trans 78 800 cfm Q-jet modified as per Cliff Ruggles book.
87 F350 6.9 4 speed dually
A poor man has poor ways.
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