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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

any difference between Duraspark II systems on F-150s and F700

 
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Old 05-28-2013, 10:26 AM
Delta Dirt
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any difference between Duraspark II systems on F-150s and F700

Is there any difference in the Duraspark II system on a F-150/250 series versus the larger truck series such as the F700.

All of my wiring diagrams are for the lighter series trucks (and all diagrams that I have been able to find)-------I am trying to get a 89 F-700 with 429 engine back to running. (refer to earlier thread relating to "coil to use with Duraspark II)

Basic components appear the same to me--------my mechanic/helper has had some old timers tell him that it is a different system????


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Old 05-28-2013, 08:32 PM
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Not sure. But if there was a difference it would be in the module. They had different colored plastic where the wires go in, the plain jane most common module was blue. The other colors had special functions and features added to them.

Did they do something special for a large truck, I am not sure. I do know they usually have special carbs with governors on them to keep from over-revving the engines in these trucks. Not sure if they did something special with the timing. Those engines also had special places on the block for a air compressor oil drain for the air brake compressor, and some other stuff was different about them also.
 
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Old 05-28-2013, 10:48 PM
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Franklin 2---

Spent some time researching today-------checked the Standard Parts catalogs; the module, coil and distributor pick up are all the same for most all of the heavy trucks during that time period-----------and the same as the '84---86 model F150/Broncos with the 351/5.8 engines. (blue code module)

Some of the smaller engines appear to run a different module and coil. I paid particular attention to the 84---86 year models with the 351 engine due to my having owned a 84 Bronco with the 351 high output engine. Ignition set up appeared the same to me.

I also checked some junk yard vehicles--------engines were gone, but the wiring connectors were the same as my '89 F700.

Did pick up a phone number on a former Ford truck serviceman that is nearby----hope to get a return call from him. (we don't have a Ford dealer nearby anymore)

Thanks----


Delta Dirt
Avon, Ms 38723

Based on this comparison-------I presume my wiring diagrams to be correct.
 
 
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