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Old 08-21-2007, 11:24 PM
1972 280SE 4.5L 1972 280SE 4.5L is offline
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Join Date: Jan 2007
Location: So. & No. California
Posts: 18
1972 280 SE 4.5 V8 - Stops Running When Warm - Update !!

I believe the cause is my old Wiring!!!

I pulled the distributor plug from the coil (Bosch 3 months old) and I was not getting any spark at all. Since I still had the old one in the trunk I put the old one (Generic Brand) and the car started right up!

Frustrated, I didn't think I had a bad new coil so I put the new coil back in and the car started right up again.

BTW.. Fuel pressure in the injector rail 35 -37 Pounds (Plenty high)

After further inspection the wire from the Silver Resistor to the Ignition coil was frayed and cracking. In addition, the other wires to the coil are in the same condition.

I know the car spent most of it's life in Marin County CA (Near the Ocean).
Perhaps being in the High Desert w/no Humidity is drying thing out.

I probably need to have someone go through the wiring for continuity / voltage checks etc..

Hopefully this is my real problem.

Thanks for all of your help...
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72 280 SE 4.5
73 BMW 2002
79 BMW 733i
79 Camaro Z28
88 Corvette - 35th Anniversary
88 Turbo Coupe T-Bird
95 F150 Pick-Up
05 Lincoln LS V8
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