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Swapping questions PLEASE HELP!!!!

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Old Jun 24, 2011 | 01:28 AM
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Swapping questions PLEASE HELP!!!!

I have a 79 f150 running a 300 i6 with a manual 4 speed. I am swapping a 351 Windsor and I wanted to know if I have to find a new ECM for it or no. That is my main question. Thanks in advance for any help provided
 
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Old Jun 24, 2011 | 02:17 AM
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Definitely. The computer made for a 6 cylinder engine will not operate an 8 cylinder engine, nor vice-versa. Best to grab the computer for the v8, or one out of a truck with similar engine. And grab all the wiring harness and sensors and actuators (AIR, EGR...)
Or install a carburetor and avoid the computer hassles.
 
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Old Jun 24, 2011 | 02:22 AM
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This may be dumb but it is going to be carbureted. But Im just wondering about the little brain on the truck now
 
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Old Jun 24, 2011 | 05:02 AM
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there is no computer on a 79, unless it had a fuel injected engine put into it.

now if you are talking about the ignition control module, as long as it has a black grommet on it it should work with the V8
 
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Old Jun 24, 2011 | 10:44 AM
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Awesome thanks alot for your help
 
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