Hey guys, I'm new to the forum and Datsun for that matter. I'm trying to revieve a 75' 280 for a friend of my dads. The car sat for almost 10 years. I drained the fuel, changed the filter and some lines got the pump freed up and she fired up. Freednup the clutch and went for a ride. I no more got to the end of my driveway andit started running rough and coughing. If I let it idle it runs fine and will pull itself in gear back into the garage. Any throttle and it coughs. Get back inside and its much better but still coughs and back fires through the intake. I have my fuel pressure gauge in line after the filter and have 28-30lbs at idle and it climbs with rpm. Minorly adjusted the tps so the second set of points touches on the second ramp. The AFM appears normal under the cover. I'm wondering where to go next. I've checked vacuum lines fuel lines etc. I'm wondering if all the injectors should be rebuilt and new plugs put on since the boots are dry rotted. The connectors on the coolant sensors are dry rotted also but seem connected well. Any thoughts?
P.s. its 70° inside and 15° outside. On a 30° day it was better outside but still got in drive able within 4-5 min
