Engine Swap
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Post Fiend
Joined: Jan 2000
Posts: 5,330
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From: Dryden, ON, Canada
Engine Swap
I am going to put a 84 300 I-6 into my 82 F100 in place of it's nearly dead one. I have 2 questions,
how much of the TFI-IV system can be disconeected without affecting the ignition, in other words, can I get rid of the feedback carb, or should I put the Duraspark II off of the 82 on it?
As for my second question, I am not sure if the 84 has a C4 or C6 auto, as far as I can tell, it is a C6, but the only manual I have that lists the model numbers only covers cars.The model number is something along the lines of BGD-2something6 but, I think the B is incorrect, but I am sure of the GD-2?(/ maybe?)6. I notice that the transmission has a relutance to go into reverse sometimes, if I shift directly from D1 into reverse, sometimes it won't engage reverse or any other gear unless I give it a few shots of gas, then it will engage as if nothing is wrong. I think it is full of fluid, but, I am not sure, it has been 12 years since I worked on a Ford auto, and forget where the fluid is supposed to be when It's cold. Also, it won't kick down, but that is explained by the lack of a kickdown rod, which probably couldn't work anyway, with the carb crossways and all, if there is such a thing, it must look like a snake. Other than that, the trans works perfectly, the upshift from 1-2 is almost undectable, and 2-3 is pretty dang smooth too, whatever is wrong must be pretty simple, but, my reair manual(a Haynes, waiting on a Chiltons) is about as good as a 1 sided 3 dollar bill.
Evan MacDonald
how much of the TFI-IV system can be disconeected without affecting the ignition, in other words, can I get rid of the feedback carb, or should I put the Duraspark II off of the 82 on it?
As for my second question, I am not sure if the 84 has a C4 or C6 auto, as far as I can tell, it is a C6, but the only manual I have that lists the model numbers only covers cars.The model number is something along the lines of BGD-2something6 but, I think the B is incorrect, but I am sure of the GD-2?(/ maybe?)6. I notice that the transmission has a relutance to go into reverse sometimes, if I shift directly from D1 into reverse, sometimes it won't engage reverse or any other gear unless I give it a few shots of gas, then it will engage as if nothing is wrong. I think it is full of fluid, but, I am not sure, it has been 12 years since I worked on a Ford auto, and forget where the fluid is supposed to be when It's cold. Also, it won't kick down, but that is explained by the lack of a kickdown rod, which probably couldn't work anyway, with the carb crossways and all, if there is such a thing, it must look like a snake. Other than that, the trans works perfectly, the upshift from 1-2 is almost undectable, and 2-3 is pretty dang smooth too, whatever is wrong must be pretty simple, but, my reair manual(a Haynes, waiting on a Chiltons) is about as good as a 1 sided 3 dollar bill.
Evan MacDonald
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Joined: Dec 1999
Posts: 39
Likes: 0
Engine Swap
I have an '84 with the 300 I6 that had the TFI-IV. I converted it to the Duraspark and used a 4 barrel carb and header. The engine runs great and I actually get about a mile more to the gallon. I would use the Duraspark II if it were me.
