bigger injectors
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Elder User
Joined: Nov 2009
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bigger injectors
I have been thinking of putting some bigger injectors in my 91
does anybody have any ideas of what type to look at and how big i can go. Is there a lot of work to do this and are there other modifications i have to make do use bigger injectors
does anybody have any ideas of what type to look at and how big i can go. Is there a lot of work to do this and are there other modifications i have to make do use bigger injectors
Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
have you turned the pump up? do you have any black smoke right now?if the answer is yes to either you are getting plenty fuel as of right now.to justify running bigger injectors you are going to need to drop your compression ,install studs everywhere and up the boost.so your going to spend a butt load more cash just to run bigger injectors and see a power increase.installing bigger injectors will only give you alot more black smoke in turn raising your EGT's and possibly melting some pistons if your not careful and you wont really notice a power increase without other mods.
Postmaster
Joined: Apr 2009
Posts: 4,086
Likes: 1
From: Malahat/Cowichan Valley
Those are the code injectors that i just ordered and bought from fords recommendation. They knew damn well i didnt have turbo. Is that right?
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Cargo Master
Joined: Feb 2008
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From: back in SE Iowa
if you are getting a little smoke you are about at optimal setting.you can turn it up a little but before you do install a pyrometer before you mess with any settings you can turn the pump up a little (about 1 flat at a time) and then up your boost by a pound or 2 and see what happens all black smoke is is unburned fuel and your wallet flying outta your tail pipe.i know everyone wants to roll coal but in all reality its hard on your truck.how old are the ip and injectors?if over 100k or so if ya put a new ip and stock injectors in you will notice a big difference.you can also try piping your intake to get some cooler and cleaner air and you will notice a difference in that as well
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Elder User
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the truck has 139,000 miles, i have only put 2500 on it since i have had it. i have no idea if they are the stock parts or aftermarket. my guess is stock but ??? i am very new to the diesel world and don't even know how to turn the pump up. i was told that you can buy 50hp injectors but that sounded way to easy and i figured that there had to be more to it.
Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
the truck has 139,000 miles, i have only put 2500 on it since i have had it. i have no idea if they are the stock parts or aftermarket. my guess is stock but ??? i am very new to the diesel world and don't even know how to turn the pump up. i was told that you can buy 50hp injectors but that sounded way to easy and i figured that there had to be more to it.
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Elder User
Joined: Nov 2009
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it does have a pyro, this truck also has a banks exhaust do you think it would help any to straight pipe it with 4 inch from the turbo back. also is there any real advantage to turning the pump a little or is it just going to cause it blow smoke
Cargo Master
Joined: Feb 2008
Posts: 3,409
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From: back in SE Iowa
you still have a muffler?lol cut that baby off!!!! you wont notice a louder exhaust til higher rpm's and it will sound so much nicer.anyway yes free flowing exhaust is a great thing for these trucks,they love to breathe more air in and out the better.
Posting Guru
Joined: Jul 2004
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From: West Valley Utah
The Banks exhaust is already a free flowing exhaust system. You are not going to gain much if anything by removing the muffler. If you have state safety inspections, the truck will fail with no muffler.