Swapping EFI components into '86
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Senior User
Joined: Sep 2011
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From: Mankato, MN
Swapping EFI components into '86
Like the title says, I have a carburated 86 F-150 with a 4.9L. I have another 4.9L from 1992 with all the EFI components and harness still attached. Has the swap been done before? Is it as easy as powering up the EFI computer and attaching a harness? I can't imagine it's that easy or I'd have heard about it. Anyone have some advice on this one?
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I was wondering about this also, except mine is a v8 engine
however I was wondering about fuel tanks and fuel pumps
Where is the electric fuel pump located on the EFI models?
I have two tanks and was wondering also how does the switch over (or where it occur) and would this still function if I went to EFI?
however I was wondering about fuel tanks and fuel pumps
Where is the electric fuel pump located on the EFI models?
I have two tanks and was wondering also how does the switch over (or where it occur) and would this still function if I went to EFI?
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Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
On the EFI models, the fuel pumps are located in the tank.
As for the tank, it depends on the year. I know on Broncos, the 80 - 89 tanks had a 2" sending hole, and the 90 - 96 tanks had a 3 5/8"
As for the tank, it depends on the year. I know on Broncos, the 80 - 89 tanks had a 2" sending hole, and the 90 - 96 tanks had a 3 5/8"
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