Split shot or single shot ?
Thread Starter
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Molon Labe
Joined: Dec 2006
Posts: 5,272
Likes: 1
From: Alaska
Split shot or single shot ?
Help me understand the pros/cons between the two...
The time has come to replace/rebuild my tired injectors, and I would like to hear some real world yeah's or neigh's.
I'm not looking to win any dyno challenges, nor am I building a race truck. I'm looking for dependability to haul my heavy (soon to be heavier) camper up and down the coast.
As most of you know I work on the road building artificial reefs, and my truck spends the majority of it's life hooked to a heavy trailer, and sometimes high idle for 6-8 hrs in a day.
I'll be sending my injectors off the Jim @ Rosewood for the build in the next few weeks and I'll be posing these questions to him for his final word of advice, but I would love to hear what you guys think from your personal experience.
Thanks
The time has come to replace/rebuild my tired injectors, and I would like to hear some real world yeah's or neigh's.
I'm not looking to win any dyno challenges, nor am I building a race truck. I'm looking for dependability to haul my heavy (soon to be heavier) camper up and down the coast.
As most of you know I work on the road building artificial reefs, and my truck spends the majority of it's life hooked to a heavy trailer, and sometimes high idle for 6-8 hrs in a day.
I'll be sending my injectors off the Jim @ Rosewood for the build in the next few weeks and I'll be posing these questions to him for his final word of advice, but I would love to hear what you guys think from your personal experience.
Thanks
Thread Starter
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Molon Labe
Joined: Dec 2006
Posts: 5,272
Likes: 1
From: Alaska
Joe, I know you like the 100% nozzle. Would that benefit my purpose, or is that more for a performance application ?
Postmaster
Joined: Dec 2010
Posts: 2,951
Likes: 4
From: Gary,Indiana
Now I myself have a E99 like Frank and I too am NOT looking for huge HP just need dependablity, mpg and good towing and am wondering if there is a point where you can have too much injector for the E99 turbo set up. Because I would like to start planning on injectors but only want to have to buy one set of injectors that would work well with the E99 set up. But at some point I am going to go to a H2E turbo and would want the same injectors to work well with it too. So how well do the AC's work with a H2E set up?? I have seen many have good luck with AC's and 38R but I haven't seen a standard injector combo for the H2E.
Also how would Swamps 175/146 injectors compare to the AC's? Swamps 175/146's say they are 146 nozzles how does that work out ? And are they 100% nozzles?
Thank you for your insight on this subject.
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Cargo Master
Joined: Jan 2009
Posts: 2,800
Likes: 31
From: OKC, OK
My single shots are definetly louder and have a rough idle compared to the stock injectors. They can help with the mpgs though. Usually you will gain about 1.
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Postmaster
Joined: Jul 2006
Posts: 4,993
Likes: 2
From: Bend, OR
I have heard others say the same thing as you are saying about the AC single shots and all have had good results with them. And after doing some research I see that they are 160cc but I can not find anywhere that says if they are 100% nozzles.
Now I myself have a E99 like Frank and I too am NOT looking for huge HP just need dependablity, mpg and good towing and am wondering if there is a point where you can have too much injector for the E99 turbo set up. Because I would like to start planning on injectors but only want to have to buy one set of injectors that would work well with the E99 set up. But at some point I am going to go to a H2E turbo and would want the same injectors to work well with it too. So how well do the AC's work with a H2E set up?? I have seen many have good luck with AC's and 38R but I haven't seen a standard injector combo for the H2E.
Also how would Swamps 175/146 injectors compare to the AC's? Swamps 175/146's say they are 146 nozzles how does that work out ? And are they 100% nozzles?
Thank you for your insight on this subject.
Now I myself have a E99 like Frank and I too am NOT looking for huge HP just need dependablity, mpg and good towing and am wondering if there is a point where you can have too much injector for the E99 turbo set up. Because I would like to start planning on injectors but only want to have to buy one set of injectors that would work well with the E99 set up. But at some point I am going to go to a H2E turbo and would want the same injectors to work well with it too. So how well do the AC's work with a H2E set up?? I have seen many have good luck with AC's and 38R but I haven't seen a standard injector combo for the H2E.
Also how would Swamps 175/146 injectors compare to the AC's? Swamps 175/146's say they are 146 nozzles how does that work out ? And are they 100% nozzles?
Thank you for your insight on this subject.
AC's will also work good with a standard 17cm H2e.
Swamps 175/146 are a 160cc AC type injector with a stock nozzle. They are more or less an AC injector, just not a new injector.
AC's come with a standard nozzle, but you can have your injector supplier or builder install a set of 100% nozzles.
If your single shots have a rough idle, talk to your tuner. There is no reason in the world to have any idle issues with a set of single shot injectors, until you get above a 200% nozzle. Then it is a bit difficult to dial it in perfect. Can still be done, just tough.
Cargo Master
Joined: Jan 2009
Posts: 2,800
Likes: 31
From: OKC, OK
I have talked to him about it. Matt at gear head. He says it is normal. It has a lope like it has a performance camshaft. You do not think this is normal?
Lead Driver
Joined: Sep 2010
Posts: 7,793
Likes: 50
I myself is liking what your say'n Joe, since i too will be in the market for some injectors. SO, when i'm ready to pull the trigger, the AC injectors are NOT the "single shots" that everyone else is selling, correct? Would the 100% be too much for an engine thats all stock? Maybe a van turbo down the road, but for tuner purposes, i think i'll save my money...Sorry to parade on ur thread, Franko, just try'n to understand all dis.
Postmaster
Joined: Jul 2006
Posts: 4,993
Likes: 2
From: Bend, OR
Go jump in a stock OBS and tell me if its rough or lopey...
That concerns me if matt is telling you its normal, its not. My wifes excursion has NO lope, or rough idle...
Icp pressures on excursion with AC's and 200k - YouTube
Cold start 2001 Excursion - YouTube
Here is my truck with 250/200 injectors...
Valve cover off - YouTube
I myself is liking what your say'n Joe, since i too will be in the market for some injectors. SO, when i'm ready to pull the trigger, the AC injectors are NOT the "single shots" that everyone else is selling, correct? Would the 100% be too much for an engine thats all stock? Maybe a van turbo down the road, but for tuner purposes, i think i'll save my money...Sorry to parade on ur thread, Franko, just try'n to understand all dis.
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,253
Likes: 763
From: Houston, Texas
Mine doesn't lope or have a rough idle. My truck, idles, drives, and starts smooth as glass. WAY smoother than it did with my old splits.
You may want to check your ICP sensor and make sure it's not gunked up with anything.
Back to the lecture at hand, I'm with Joe, Get some Stage I's. Splits will consume more oil while Singles consume less oil and are way more efficient. You'll also get better power and fuel economy out them than you will some stock splits.
When I went from Splits to Singles, it was a night and day difference; especially after I had Matt at Gearhead dial them in with a few good tunes. Between the injectors, tunes, Frx, Hpx, stock turbo mods (blank pedestal and exhaust outlet), T500, and 6637 my truck runs like a well tuned BEAST.
So get you some Singles and enjoy your new truck
Postmaster
Joined: Jul 2006
Posts: 3,754
Likes: 1
From: Indianapolis
I bought my Swamps 175/146 when I have my e99 set up. I know have it updated 17* hpop, van turbo, same PCM though, and it works ok. Those sticks will get you spooled fast, but the e99 turbo tops out too quick for most driving styles. The van turbo is a better way to go if you can't pay for a 38r like I couldn't at the time. The van turbo will just keep pulling! But I want to slap a 38r on her when I can "spare" $1000+ for a new one. Also would like 238 hybrids, as you can always tune them down or open them up at the push of a button.
Lead Driver
Joined: Sep 2010
Posts: 7,793
Likes: 50
OK, great, thanks man. So, when i put the order to R.R., i order up singles withthe 100% nozzles, are just have'm send methe singles and be done? Yo Frank, i hope my ?'s help you out as well.