460 efi
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New User
Joined: May 2011
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460 efi
im trying to better understand the workings of my truck,1994 f-250 460.i believe that it is a speed density system meaning an unsophisticated injection system? what type of ecm is used?if i wanted to do some upgrades for a torque increase could it be reprogrammed? thanks
Lead Driver
Joined: Jul 2007
Posts: 7,868
Likes: 9
From: Rhode Island
You can make mild changes. You would want to use a cam that does not have a lot of overlap. To get the most out of it, you would have to find a shop capable of tuning the computer for you.
If you had Mass-Air, it would be more forgiving towards modifications.
You may get more help in the 87-96 F-Series forum, than in here though. It's far more active then this small subsection.
If you had Mass-Air, it would be more forgiving towards modifications.
You may get more help in the 87-96 F-Series forum, than in here though. It's far more active then this small subsection.
Senior User
Joined: Aug 2011
Posts: 178
Likes: 1
From: Manchester, NH
What, and more importantly, why are you trying to understand whats going on under the hood?
There is nothing wrong with SD, as long as you know its limits. For the vast majority of people, stock speed density is more then capable of dealing with power increasing mods.
There are to many things going on to be able to give you a quick run down.
There is nothing wrong with SD, as long as you know its limits. For the vast majority of people, stock speed density is more then capable of dealing with power increasing mods.
There are to many things going on to be able to give you a quick run down.
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