Hass 380-410 Injector Flow Test Results

I bought the Hass 380-410 injectors from Web 3.0 a little while ago and decided to get them cleaned and flow tested after it was suggested to me by aaronjb.

It’s a good thing I had them tested too. I wouldn’t have had the right sizing to factor into my PFC if I didn’t. Here’s the results:

Before Cleaning:
335, 335, 335, 342

After Cleaning:
340, 340, 345, 345

test pressure was 43.5psi
performed at 0.775 specific gravity at 5000rpm with 6.0ms pulse width.

I don’t blame Web 3.0. I’m sure that’s how the injectors were sold to him with a the hass kit or whatever and he was just passing the info along. That’s my assumption anyway.

My reason for posting this is to caution anyone doing any specific tuning with these injectors and sizing them in a PFC. Get them tested! I used Cruzin Performance to do my testing. The replaced all 4 O-rings and screens. cleaned them and flow tested with a bunch of info (leak down test, spray pattern test, 60 second pulsed flow delivery, 100ml pulsed volume, 60 second static flow, 100ml static flow). It cost me about $5.00 to ship my injectors to them through usps and I just paid $74.00 for the service to be performed and the injectors shipped back ups ground. pricing may be a little different to other people for shipping based on where you live, but that’s still pretty darn cheap. Turn around time was fast too.

I don’t want to seem like I’m plugging these guys too much, but their service was worth mentioning. And it’s a link for the lazy, non-searchers, to use to get the service done. haha.

I was not expecting the results to come back like this. I thought it was going to say something like 385 or whatever. Anyway, I now have the real numbers for these. What I need now is to get the flow rate of the stock injectors so I can complete the equation. I tried searching, but couldn’t find it. I’m sure someone posted it though (Or maybe I’m just remembering someone else asking the same question)… Anyway, if someone has that info, I’d really appreciate it.


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