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

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

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.

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.

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.

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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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.

Difference between ID1050 and DW700 Injectors
 

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:

Even with that said, the ID ones aren't much more, so why not? Obviously if they are not available then that is that.

Most folks, including CSG, should be selling them with pigtails.

I used DW700's and made 300whp with E85 with never an issue in ~5 years.

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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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.