1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck

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efi swap?

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Old

Jul 12, 2020 | 11:38 AM

#1

powersfab

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efi swap?

has anyone done a write up on putting a fuel injected 4.9 in an older truck?

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Old

Jul 12, 2020 | 12:02 PM

#2

caravaggio2000

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https://www.ford-trucks.com/forums/1...-on-400-a.html

https://www.ford-trucks.com/forums/1...onversion.html

https://www.ford-trucks.com/forums/1...1979-f250.html

https://www.ford-trucks.com/forums/1...ey-sniper.html

https://www.ford-trucks.com/forums/1...-guidance.html

https://www.ford-trucks.com/forums/1...-question.html

https://www.ford-trucks.com/forums/1...n-77-f150.html

https://www.ford-trucks.com/forums/1...ch-system.html

https://www.ford-trucks.com/forums/1...turn-line.html

Electric Fuel Pump: How to Do It Right

https://www.ford-trucks.com/forums/1...injection.html

Thanks 77&79F250

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Old

Jul 12, 2020 | 07:24 PM

#3

powersfab

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thanks but looking for info to use newer complete engine and wiring

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Old

Jul 12, 2020 | 08:07 PM

#4

symonds86

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From: upstate ny

I have never done that exact swap but done a few simular, Last one was 2008 4.6 in 73 f100 my advice is get a complete runnng donor vehicle then you have everything you need and trust me it will save you money in the long run. Then before you pull the donor engine thin the engine harness of all you won't need like lights, emissions items you don't plan to use, and things under the dash that are tied in. Test run it after each thing you delete. If it won't run go back and hook it.back up. Then tidy up the harness and swap it all over.

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Old

Jul 12, 2020 | 10:06 PM

#5

Doosenberry

More Turbo

Joined: Mar 2019

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There's a build thread over on Fullsizebronco where a guy put a 4.9L L6 and ZF5 from a '94 F-150 into his 78 Bronco. He had the whole donor truck like @symonds86 recommends. I don't recall how he did it all, but I remember seeing all of the wiring splayed across his cab while he was doing the wiring and it was enough to give me anxiety just looking at the pics. lol.

Here's his build thread. I think the engine stuff starts on page 2, but it's worth it to go through it from the beginning. He did a bit of fabricating going from a 351M/C6/NP205.

https://www.fullsizebronco.com/threa...er-xlt.502384/

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