I don't mean to be rude. I don't have much time, or patience, for searching. I'm into the resto/mod of my '78 F-150 4x4 Lariat, and I'm considering upgrading the 400 to fuel injection. I've looked over some of the options, but I have yet to find a set-up designed specifically for the old 400. Can anyone point me in the right direction so I can get started on this part of the project? I need to know if there's anything special I need to do to the block/heads while I have them off during the rebuild. Also, any input as to who has the best/most complete set-up that is ready to bolt on, or at least very close to ready would be most appreciated. Thanks in advance guys!
(btw, I'm not trying to be snotty, just trying to get ready for the new baby that's on the way...working 2 jobs is killing my project time!)

 

www.massfloefi.com. He will make a system for your truck. Hope you got deep pockets. He will want about $3500.00 for the plug and play system and another $500. for the fuel system to feed it. I've been wanting to do this to my '77 but I keep searching for ways to get the price lower. Good luck.

 

gary,
Yowza! Looked at their website! That'd be dang nice! But I don't think I'd be able to eat for about a month... Sheesh! Gonna have to come up with another plan I guess.

 

I have a system that is based on a Ford 5.0L EFI. If you can find a donor mustang '89 through '93, you can do it for less than $3000.00. This is a DIY, and is definitly not plug and play.

There are some other systems, like the Holley Commander, or Howell. Megasquirt is a DIY system that can be done on a low budget.

You can buy the Massflo TB and use the mustang ECU and harness and cut the price down. You can buy a special set of Intake Adapter Plates from Tim Meyer and use any garden variety 351C 4 barel manifold for 2V heads. Then you don't have any manifold modifications to do. I think that can be done for under $2000.00, most of which is for the TB and for the Tweecer to tune it.

 

danlee,
that's getting a little closer to my budget. I have a lot of time to perform the mods. My truck is still in pieces scattered across my shop. I'll do a little snooping for the parts you mentioned. I'd like to build a direct port injection set-up, just to see if I can make it work. I just don't know exactly where to start. I can rebuild an engine, I just don't have any experience with the EFI stuff. I think, with your guys' help, I can get it done eventually though. Thanks for the help so far!

 

Send me an email using the forum email, and I will reply to you directly with an Excel spreadsheet listing the parts and prices of the parts that I used.

 

Hey guys I have to but into your forum but, I was wondering if I could get a copy of that list also. I am stuck at the dist. for my set-up.

Stephan

 

If you are using a Ford 5.0 EEC, on a 335 series Ford Motor, you can use a 351W TFI dist. You have to change the gear to work in a 335 series motor. You can also get a remote TFI unit, that was used on 460 truck EFI motors.

I'll send the spreadsheet to your email address, if you send me your email address.

 

www.retrotekspeed.com

Plug and play so they say

 

It does say that it is plug and play, but what do you have. I grant that it is an improvement on the old TBI injection, but that is where it ends.

It is a Speed Density non-sequential system. It doesn't control ignition timing like the Ford EEC-IV. It is subject to fuel dropout just like a carb. Those things work fine at WOT, but are inferior to Sequential Port Injection using a Mass Air Meter at low and part throttle. They also do not improve fuel mileage much over a carb.

 

Sounds like a donor vehicle might be the best way to cut your price down, it will just involve custom work, as usual.....

 

The best donor vehicles are '89 through '93 Mustangs. Then you need a distributor from a 351W.
I am not sure if the EFI 351Ws were Mass Air, or if the EEC-IV computer used in those are good candidates for a swap. It would be nice if one vehicle could supply all of the parts.

I'll research that a little.

 

I stole the complete engine out of a 1990 Mustang GT w/ a stick. So I have the harness, computer, all the sensors (which will get replaced), and all the mass air parts to with it. I am hoping that this will make the set-up real easy since I took pictures of the harness on the motor. The only thing I wish is that I could use the 302 intake instead of the 351. But I was told that the intake ports were off just enough no to line up. Also I believe the adapter would make the runners to long.

 

The 5.0 intakes themselves do not make a good swap, as they are too restricted. The best intake to use is a conversion Single Plane carb manifold, or you could talk to Tim Meyer about adapter plates with built-in injector seats to use a 351C intake.

 

Ya I already talked to Tim and he sells the adaptors for the 351w manifold to bolt up to my 400 w/ 2v heads. It sounds pretty simple to do. I was just hoping to cut a corner. But I guess to do it right I shouldn't do that. I pretty much done all my reaserch for either the throttle body or the port injection. Now I just need to decide which one would be more beneficail for me.