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Old 08-07-2020, 05:30 AM   #1
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Difference between ID1050 and DW700 Injectors

Hi All,

Am now collecting parts to go FI with my BRZ.

Cant find an answer on the differences/benefits between the ID1050 and DW700 fuel injectors. Would anyone be able to enlighten me?

OTHER INFO: I am looking to make 300ishwhp on E85 (flex fuel) for now.

Cheers
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Old 08-07-2020, 05:34 AM   #2
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Capacity wise, both should do for pump gas. Not sure on e85.

I leaned toward ID1050's for my build - have heard multiple tuners say that they are more consistent, making for easier tuning. Especially so at low duty cycle.

The ability to replace an injector with a match which had been flow tested is a bonus for down the line
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Old 08-07-2020, 06:13 AM   #3
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The real advantage of the 1050x is the ease of tuning and response.

I would go with the 1050x just to make your build that much more reliable. Also, DW injector harnesses are frail.
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Old 08-07-2020, 03:01 PM   #4
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Quote:
Originally Posted by TurboBRZ_UAE View Post
Capacity wise, both should do for pump gas. Not sure on e85.

I leaned toward ID1050's for my build - have heard multiple tuners say that they are more consistent, making for easier tuning. Especially so at low duty cycle.

The ability to replace an injector with a match which had been flow tested is a bonus for down the line
As far as capacity, I have the DW700s on E85 at 12psi with plenty of headroom. Even though the ID1050s are 50% more expensive, the actual price difference isn't much in the grand scheme, so if I had done my research then I would have done the ID1050s. At the time, I was thinking they were overkill, such that, I figured low-speed, low-duty modulation would be harder and less consistent like trying to blow out candles on a birthday cake with a leaf blower.
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Old 08-07-2020, 03:15 PM   #5
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ID1050X's have a better spray pattern and atomization, as well as more consistency. They can take low pulse widths completely accurately and will idle port only without issue.
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Old 08-07-2020, 03:39 PM   #6
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ID1050X's have a better spray pattern and atomization, as well as more consistency. They can take low pulse widths completely accurately and will idle port only without issue.
This is the counterintuitive part that makes doing your research before you buy important. For the extra couple hundred bucks, it is really a no brainer on something that is as important as tuning, safety, etc.
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Old 08-07-2020, 09:10 PM   #7
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I bought the ID1050s at the recommendation of my tuner. I can't say how well they perform because I haven't gotten tuned yet. I have no experience with the DW injectors, but I can say you'll need adapters for the ID injectors. Don't buy the hard plastic ones (like I did), they don't fit under the stock injector covers.

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Old 08-08-2020, 07:32 AM   #8
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I also use the ID1050's based on the recommendations from my tuner as well. He also recommended the Full Blown Walbro 485 fuel pump kit.
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Old 08-08-2020, 10:39 AM   #9
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Difference between ID1050 and DW700 Injectors

Quote:
Originally Posted by Irace86.2.0 View Post
As far as capacity, I have the DW700s on E85 at 12psi with plenty of headroom. Even though the ID1050s are 50% more expensive, the actual price difference isn't much in the grand scheme, so if I had done my research then I would have done the ID1050s. At the time, I was thinking they were overkill, such that, I figured low-speed, low-duty modulation would be harder and less consistent like trying to blow out candles on a birthday cake with a leaf blower.

I would have bought the 1050x if they were out when I got the DW700s. Ive been running for the DW’s for years on track with no issues and currently running E85 at 16psi and had no issues. Guess picking the right tuner helps too.


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Old 08-08-2020, 08:43 PM   #10
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I would have bought the 1050x if they were out when I got the DW700s. Ive been running for the DW’s for years on track with no issues and currently running E85 at 16psi and had no issues. Guess picking the right tuner helps too.


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Yes, this is what I was told too, that they are better, but the DW one's are fine. Specifically:

Quote:
The people that say the ID1050's are easier to tune are people that read off an excel spreadsheet the values they need to put into the software to make the tune work. I believe most tuners do not use the DW700cc injectors because honestly they do not know how or do not want to spend the time to figure them out. So they would rather just use what is easy.

Now I will see the ID1050 injectors are a great injector but you are paying a lot more for something you really do not need. We have tuned literally thousands of DW700 injectors on this platform and the failure rate on them is insanely low.
Even with that said, the ID ones aren't much more, so why not? Obviously if they are not available then that is that.
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Old 08-10-2020, 03:50 PM   #11
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Originally Posted by zberz View Post
I bought the ID1050s at the recommendation of my tuner. I can't say how well they perform because I haven't gotten tuned yet. I have no experience with the DW injectors, but I can say you'll need adapters for the ID injectors. Don't buy the hard plastic ones (like I did), they don't fit under the stock injector covers.

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Most folks, including CSG, should be selling them with pigtails.
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Old 08-10-2020, 05:37 PM   #12
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I used DW700's and made 300whp with E85 with never an issue in ~5 years.
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Old 08-10-2020, 06:56 PM   #13
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Most folks, including CSG, should be selling them with pigtails.
Rallysportdirect did not. Let this be a lesson to all of us cheap bastards who save $50 buying injectors but then spend another $80 trying to get them to work. My money will go to you next time.

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Old 08-10-2020, 09:20 PM   #14
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I used DW700's and made 300whp with E85 with never an issue in ~5 years.
I use piece of shit used 04 STI injectors and made 330whp on 93. It's not that it doesn't work, it's that it can always we better. For some of us, "better" is something not worth chasing for what we may see as a marginal quality of life improvement.

I agree that those viewing this thread shouldn't think "1050x or GTFO". Hell, I have a cxracing $199 dollar turbo that runs great too. And I don't use a BOV! There are far BETTER choices to be made, but they work well enough for me and that's what counts, really.

The 1050x is just a top tier choice for quality of life with tuning. If I spent money on injectors, honestly I'd probably go with them just to see for myself what the benefits are.
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