upgrades whatcha think
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Senior User
Joined: Oct 2003
Posts: 368
Likes: 3
From: Longview Tx
glad to see you got your stuff. I don't think you would benifit from larger injectors unless you have a lot of internal upgrades and you would have to get the ecm reprogamed as SD does not like change. The calibration tube is for a C&L maf meter to make injector changes. If you really want to make a diff get your ecm reprogramed mainly for more total timing the factory setting is way to conservative.
Senior User
Joined: Sep 2007
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From: Port St. Lucie, Florida
thanks, I have learned alot on this thread. I have been thinking of talking to a tech a BlueStreak here in Florida, and asking them if a later Speed Density computer would have better engine timing and injector pulse. I was also wondering if they could eliminate the egr circuit too( if at all possible and legal). or is there anybody that can be recomended to reprogram my ECM?
Rich
Rich
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Senior User
Joined: Oct 2003
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From: Longview Tx
So far with every thing i have done i am very pleased. I wish the MAF kit wasn't so high i think it is over priced but with out the know how to build it what can you do? So is it worth the time yes! Is the the maf kit worth the money questionable? But knowing what i know now i beleive it could be done alot cheaper than 2K. But with out some kind of programer full potiensal will never be reached and wensday on the dyno i will prove it.
wensday i have a dyno date if every thing goes right.
1st pull will be stock TB with no programer i may bumb the timing 2 degrees
2nd pull stock TB with the programer i will try and get the most i can out of it
3rd pull BBK61mm TB no programer i will bumb timing the same 2 degrees
4th pull BKK61mm TB with programmer i will get max power
5th pull i am debating on taking the fan off and making a pass i have been thinking about elect fan but it depends on how long all this takes me.
This is my plans any way hopefully it will work out?
wensday i have a dyno date if every thing goes right.
1st pull will be stock TB with no programer i may bumb the timing 2 degrees
2nd pull stock TB with the programer i will try and get the most i can out of it
3rd pull BBK61mm TB no programer i will bumb timing the same 2 degrees
4th pull BKK61mm TB with programmer i will get max power
5th pull i am debating on taking the fan off and making a pass i have been thinking about elect fan but it depends on how long all this takes me.
This is my plans any way hopefully it will work out?
Fleet Owner
Joined: May 2009
Posts: 21,437
Likes: 76
From: Gilbert, PA
Why would he want to go back to a Carb? The engine is more fuel efficent w efi and it can be tuned better. An it is not legal to back to a carb either.
Thread Starter
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Senior User
Joined: Oct 2003
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From: Longview Tx
Why on earth would i want to do that. That is like going backwards this isn't some junky mud truck build (nothing against mud trucks as i have already done that) This build is about what can be done with a efi 460 as there are alot of us out here with no real direction. So i might as well share it with ever one and maybe help somebody. You are right though i could of found some wore out junk and went for max power and more problems then i care to talk about.
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Senior User
Joined: Sep 2007
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From: Port St. Lucie, Florida
I agree, this thread is to inform us speed density 460 owners and let us know of what options are out there. A carb swap is not a practical option for most of us, even us mud truck guys. I really appreciatte this thread and have learned a ton of knowledge already. And you can choose how far you want to take your mods, with a general idea of the time and money involved and have a idea of how much power you will gain. I run my EFI in the mud. I dont have to worry about floats bouncing around. Yes the electronics are sensitive, but they can be waterproofed.
Has anybody here done a 3g alternator conversion on thier 460? Is there a connection between voltage,amperage and horsepower on an EFI motor? A friend did the 3g conversion on his chevy truck and said he gained power because of the higher alternator output at lower rpms.
Has anybody here done a 3g alternator conversion on thier 460? Is there a connection between voltage,amperage and horsepower on an EFI motor? A friend did the 3g conversion on his chevy truck and said he gained power because of the higher alternator output at lower rpms.
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Joined: Feb 2004
Posts: 424
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From: Pleasant Hill OR
I also agree, efi is the way to go! Something about just being able to jump in, and have it start without pumping it 3 times and cracking the trottle... even after it has sat for a year! I really appreciate this thread as well as I'm wanting to swap in a EFI 460 in my ford
the dyno computer went down it must of got scared lol maybe saturday now?
Man I as excited to see the results lol
Posting Guru
Joined: Dec 2006
Posts: 1,639
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and an engine is just as fuel efficient with a carb as it is with efi you just have to know how to tune a carb
lets not start this arguement though it's all a matter of opinion and it's just my opinion that for 2k he should have bought heads intake and carb
and 4wheeling79 not knocking the thread at all i think it's great just putting out my opinion
Fleet Owner
Joined: May 2009
Posts: 21,437
Likes: 76
From: Gilbert, PA
i went back to carb because it is cheaper and easier to have a carb support 500+ hp than it is to have to get a tune on the computer and new injectors and throttlebody then have to worry about finding a fuel injection intake that will support that power+ you can spray nitrous into a carb with a spray plate easier than rigging up something on a fuel injection setup
and an engine is just as fuel efficient with a carb as it is with efi you just have to know how to tune a carb
lets not start this arguement though it's all a matter of opinion and it's just my opinion that for 2k he should have bought heads intake and carb
and 4wheeling79 not knocking the thread at all i think it's great just putting out my opinion
and an engine is just as fuel efficient with a carb as it is with efi you just have to know how to tune a carb
lets not start this arguement though it's all a matter of opinion and it's just my opinion that for 2k he should have bought heads intake and carb
and 4wheeling79 not knocking the thread at all i think it's great just putting out my opinion