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[ptperformance]

We have a few sets of injectors getting tested but we are running into some problems. Let me explain...

We are trying to find the delta pressure for the injectors. The way we do this is to get the cyl pressure and subtract that from the injectors pressure (rail pressure). This way we can get the actual injector flow. The problem being, cyl pressure. It varies to much deppending on what turbo or how much boost your running. The injector flow will be all over the place.

So to resolve these issues have decided to stick to the industry standard of 3 bar. Now some will have a problem with this and some will not. Its going to be much easier for the industry standard to be used other the the other option (bar rating and flow over calculated cyl pressures).

So the initial results are mid 200's cc's to low 300's at 3 bar delta. This was calculated off the stock boost cyl pressures (calculated) for the delta pressure numbers. They are going to change as you up the boost, change pistons (higher or lower compression ratios), big turbo kits ect ect. This is just an idea on getting numbers out there for those that are wondering what we have in our cars.

Now on to the exciting news, bigger injectors. We will have beta test units in the next month if all goes well and in the next 2 months if not. We will be testing + 20% and + 30% units on stock pump pressure (we don't think this is going to work very well) and on modded pump pressures. End of the year and we should have a marketable product for all of you. Its taking way longer then we expected to get these done but the DI market has just started to warm up to mods and these are really new applications that we are breaking ground on. I will try to keep this info updated as I get it from the suppliers that are working with me. Hope this helps with those that are looking for another fueling solution.

[SSinstaller]

I understand the difficulty in getting real world measurements, as cylinder pressures are continually fluctuating, but a 3 bar rating is not very representative of the actual flow at the pressures used in our application.
Either way, thanks for trying to get us some numbers, it's more than most companies were willing to do. I'll probably end up buying some injectors from you when you release them.

-Any new info on the fuel lines, rail ,and modded return valve???

[ptperformance]

Originally Posted by SSinstaller I understand the difficulty in getting real world measurements, as cylinder pressures are continually fluctuating, but a 3 bar rating is not very representative of the actual flow at the pressures used in our application. Either way, thanks for trying to get us some numbers, it's more than most companies were willing to do. I'll probably end up buying some injectors from you when you release them. -Any new info on the fuel lines, rail ,and modded return valve???

We have the modded return valve done and the fuel feed line (high pressure) is getting the details worked out of it. If all goes well (I am still running way to rich) with further testing we should have something useful to post here soon.

As far as the 3 bar readings, we feel that the industry in not ready for anything other then delta pressures and stadardized ratings. We do have testing that has happend at 750 psi, the numbers are crazy high, something like 1900 CC's (non delta). So if we do decide to start testing at operating pressures and posting info on that we are going to run into issues with people understanding those numbers. Just like anything new we will be showing those numbers when we get the final testing done. In the long run customers will only be looking for what percentage over stock our injectors flow and that will be 20 and 30% + sizes.

As I get more info I will be posting it for you all to see.

[cld12pk2go]

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