singel shot or split shot thats the ?
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Junior User
Joined: Jul 2008
Posts: 87
Likes: 0
singel shot or split shot thats the ?
so i have a set of aa injecters from a 96 and a set of 99 split shot i am going to put a chip in my truck mostly for fuel eco not looking for a lot of power maby45 to75 hp my 95 f250 psd gets 19 to 20 mpg my 99 f250 psd gets 16 to 18 the only diferance is 95 2wheel 99 4wheel same gear i would like to get more mpg .
Cargo Master
Joined: Aug 2009
Posts: 2,137
Likes: 13
From: Glendive, MT
A lot of poeple here have said that you pick up a couple mpg's with the single shots so that is the route I plan to go when the time comes.
My goals are the same as yours. I don't need to be the first one to the top of a grade. I want to be the last one that needs to stop for fuel.
My goals are the same as yours. I don't need to be the first one to the top of a grade. I want to be the last one that needs to stop for fuel.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Not sure if any of those senarios is Joe, lol, he likes to do both.. I'm shootin for hybrids, a little more money but can be tuned for your specific needs, and then be re-tuned for different power levels, nice feature..
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Here's some info on the injectors you have:
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A and AA injectors came in the '94-'97 non-california trucks. They are all 90cc injectors and are single shots.
AB injectors came in the '97 cali, and all early '99 trucks. They are split shot injectors meaning they fire a small pilot shot before the main shot. These injectors flow 130-135cc of fuel.
AD injectors are also split shot but flow 135-140cc of fuel due to a slightly longer plunger stroke. These are found in all late '99-'03 Powerstrokes and T444Es.
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The 99s you have may be AB or AD.
Single shots are supposed to return better MPG. I sure hope so because I am going to buy a set.
Hopefully those who have run both will chime in.
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A and AA injectors came in the '94-'97 non-california trucks. They are all 90cc injectors and are single shots.
AB injectors came in the '97 cali, and all early '99 trucks. They are split shot injectors meaning they fire a small pilot shot before the main shot. These injectors flow 130-135cc of fuel.
AD injectors are also split shot but flow 135-140cc of fuel due to a slightly longer plunger stroke. These are found in all late '99-'03 Powerstrokes and T444Es.
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The 99s you have may be AB or AD.
Single shots are supposed to return better MPG. I sure hope so because I am going to buy a set.
Hopefully those who have run both will chime in.
Thread Starter
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Junior User
Joined: Jul 2008
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so if i were to just convert the split shot to singel shot i should get more mpg and a small bost in power with the programer. the aa were in a 95 i bought that is in good shap im puting it in my 99 so i will have a moter i plan to rebuild better than new
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
The AAs WILL NOT have more power than the splits in your 99 now, unless you get them mod'ed. They probably will do better MPG-wise, but you WILL require tuning to run them in the 99, since it's setup to run splits. You're going from 130-140cc injectors to 90cc injectors. Get them mod'ed. My 235cc hybrids started out as AAs. 
I can get 22+mpg out of 'em -or- over 400hp. Not both. 
I can get 22+mpg out of 'em -or- over 400hp. Not both.
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Post Fiend
Joined: Dec 2008
Posts: 7,649
Likes: 2
From: Wallingford, CT
Whatever you end up deciding on I'd recommend you take a look at Riffraff Diesel for your purchase.
I've spent literally thousands of dollars with them and have had nothing but a pleasant experience every time I've bought something.
You'd be extremely hard pressed to beat their level of customer service.
I've spent literally thousands of dollars with them and have had nothing but a pleasant experience every time I've bought something.
You'd be extremely hard pressed to beat their level of customer service.
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Because racetruck
Joined: Apr 2007
Posts: 2,786
Likes: 104
From: Monterey Bay, CA
Thread Starter
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Junior User
Joined: Jul 2008
Posts: 87
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not much 60 to 75 hp all the time the ceramic i will do my self i have a large oven we are finishing soon dont trust tomany people with mods. been screwed tomany times leared how so i would make sure it is done right ill rebuild my injecters have done aa injecters just not split shots befor dont think there much different
Because racetruck
Joined: Apr 2007
Posts: 2,786
Likes: 104
From: Monterey Bay, CA
I have heard some stories about modding your own injectors. They really need to be flow tested to do the job right. Casserly injectors, plain and simple. Its not something you want to cheap out on.
