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Registered
Join Date: Mar 2002
Location: Dunstable, MA
Posts: 657
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I had the same problems on a 1972 D-jet.
After replacing all vacuum lines, fuel lines, points, rotor, condensor, cap, wires, and plugs...... I kept having a poor running engine, plus the problem changed each time...meaning it would run ok with the #3 injector unplugged, then next time it was #2 etc... I replaced all the injectors, checked grounds etc... I even did a test with all the injectors squirting into bottles, turning over the engine for 20 seconds and measuring the fuel... Finally I pulled the distributor out and took a good look inside at the vaccuum advance mechanism. It had 30 year old grease that was hard and caked on there, and when I took it off the car it was really hot,I mean really hot, too hot to touch... so I took the distributor apart, cleaned all the parts and re-assembled using new grease... Approx $0.02 worth Car runs perfect... It really was hard to diagnose, but remember the car is 30 years old and sometimes the problem is just old age.... Rich |
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07-15-2002, 08:59 PM
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you can make an inexpensive fuel pressure tester. i got a pressure gauge 0-100 psi from home depot. it was found in the area where they have sump pumps (water pumps). it is a nice, big about 2" diameter gauge. then get a brass fitting(s) to be able to connect fuel line to the gauge, 2 worm gear clamps....
pressure is 35 connected, 28 unconnected (verify) |
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07-17-2002, 12:54 PM
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orange
