Mass Airflow conversion
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Joined: Jun 2003
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From: Calhoun GA
Originally Posted by Brettddglas
TFS? could you point me in the right direction for that? I am looking for something that gives me a nice torque curve through the upper middle rpms (around 3K), for most of my use is on the highway.
Thanks
Thanks
Lead Driver
Joined: Nov 2002
Posts: 9,555
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From: Concord, NC
It should run the engine, but there is a possibility of needing to get the computer tuned for the bigger engine/bigger injectors. I'm thinking you will have to make an intake system for it, because the throttle body/hose placement is different between the 302/351 and the 460. The firing order would be the same as a regular 302, so keep that in mind as well.
Senior User
Joined: Jun 2004
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From: Yorba Linda CA
the lightning uses a single oval intake pipe situated horizontally (oval lies flat) vs. the dual pipe intakes of the f150/broncos, etc... You can use the lightning intake but keep in mind the linkage is a bit different and you will have to construct a spacer for the idle control valve as well. One last note is the hose for the lightning usually points to the right which is correct for your truck but since the lightning TB is situated horizontally, this tube will point either into your fan or straight into your hood, neither which were acceptable to me. I see on the Brembs site he just used it and bent it the way he wanted but when i tried it, the thing kinked on me so I am now going to a Y pipe until I fabricate one for the lightning intake from scratch.
Hope this helps.
Hope this helps.
Thread Starter
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Senior User
Joined: Apr 2004
Posts: 206
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From: Goshen, Ohio
I'm looking at a Vortech supercharging kit for EFI trucks with the 460 in them. The intake manifold is vastly different from the 302 and 351 trucks but it still has a dual throttle body like the 302 and 351 trucks. So a y-pipe and air intake hose from a 1994 EFI 302-351 truck could fit it. That would mean you can still use the existing air box and all. That can help make it easier to convert a 460 truck with a E40D into MAF if it allready isn't. The computer and injector size is a issue though. Would that be hard work adapting it for a larger engine electronic wise?
BTW this is a nice thread. Now everyone who is looking into this can view it and know just what to do. I'm just trying check out every possible way to do it.
BTW this is a nice thread. Now everyone who is looking into this can view it and know just what to do. I'm just trying check out every possible way to do it.
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Senior User
Joined: Jun 2004
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From: Yorba Linda CA
computer doesnt care how big an engine is, just what the A/F ratio is (if it is a mass air setup) so if you get the right size injectors and such, you should be fine.
the dual pipes on that vertically aligned as well? If so and they are at the same angle as the stock trucks, should work fine. I would definately go to a larger MAF sensor though (at least 70mm) and make sure your sensor is calibrated for the injectors you will be using.
Cheers
the dual pipes on that vertically aligned as well? If so and they are at the same angle as the stock trucks, should work fine. I would definately go to a larger MAF sensor though (at least 70mm) and make sure your sensor is calibrated for the injectors you will be using.
Cheers
Lead Driver
Joined: Nov 2002
Posts: 9,555
Likes: 40
From: Concord, NC
Now that I think back on it, the lightning kit has 30# injectors (and is set up for them), which should be fine in a 460 (stock were 24#). It should work fine, but I really do not think the intake hoses will work from a 302/351 - they are too different. You could probably use the plastic 'y' part of them, but that would be about it. I don't know if the 460 was ever mass air (maybe only in california). Brettddglas, the MAF meter in the lightning kit from Ford motorsports is 80 mm, which should be large enough for a 460. He's also talking about the lightning mass air kit from Ford, not about doing a custom intake like on Brembs' page. The stock first gen lightnings had a regular circular hose, but it was a single hose, not oval like on the second gen lightnings (what Brembs got his throttle body and intake hose from). I just wanted to clarify so no one got confused.
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Joined: Jun 2004
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From: Yorba Linda CA
Gotcha.
I just know about the 2nd gen lightning since I will be using that on my conversion for my Bronco and know what headaches
I am going through making it work.
Would the intake for the 460 work on the 400? I have a friend that wants to convert his motor and that is our shortcomings is the manifold. Any thoughts there?
I just know about the 2nd gen lightning since I will be using that on my conversion for my Bronco and know what headaches
I am going through making it work. Would the intake for the 460 work on the 400? I have a friend that wants to convert his motor and that is our shortcomings is the manifold. Any thoughts there?
Thread Starter
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Senior User
Joined: Apr 2004
Posts: 206
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From: Goshen, Ohio
I looked up a K&N cold air intake for a 1993 F-150 with a 302 and then I looked it up for a F-250 of the same year with a 460. The assembly appeared identical with two hoses. Though the websites may be using the same picture to represent both products. It may or may not be the same product. If it is the same product then that would be pretty nice as the throttle body would be similar. I'm trying to look up the upper intake assembly of the 460 in my Haynes book. It covers both the F-150's and F-250's.