miss fires

35

Asked by Oct 09, 2009 at 12:17 AM about the 1972 Ford F-100

Question type: Maintenance & Repair

my 1972 ford f-100 with the stock 320 and two barrel in it that we rebuilt about a year ago misses around 65 mph. just had the timing set at a shop and new points put on. runs totally fine until about 65 mph like i said. any ideas?

3 Answers

35

Hey Jacob , try checking your wires to the points as I have found some trucks are vibrating the wires causing a dead short which is cause the truck to miss fire or end up stalling .

35

that would make sense because i only have a three speed and around 65 the rpms are fairly high causing vibrations. thanks! ill try that

15

I had that issue on a 69 F100 I used to have, had a 240 I6, anyway I racked so many miles on the truck that the distributor itself was worn. New Distributor fixed my issue. (I checked plugs, wires, points, timing damn thing had me stumped for a few days.

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