General question about the 630 file..

[Dubmekanik]

Does anyone know offhand, or can test and tell me what the injector ms. value is at idle for this file (we deal with UNI but I don't have any bt cars at the shop at the moment)? I have a 16vt at the shop using the same injectors and can't get it to idle good below 1.5 ms (haltech standalone) But above 1.45 its too rich (13.5 ish) I know it's too much injector for the application, but I'm wondering how a 1.8t can idle stoich with the same injectors (630 siemans). I asked the supplier for the injectors and he told me it should be fine with this low of a value. He said I possibly needed to raise fuel pressure to aid in fuel atomization. Well I didn't think that would work (and it didn't). I can get a good idle with anything higher than 1.5 if I lower the fuel pressure so its 14.7 at idle. This of course means I will have to change the mapping because of the fuel pressure change. Thanks for any help!

[Don®]

The 630's idle between 1.23ms and 1.64ms.

[Dubmekanik]

Thanks Don! If that is the case, I have to figure out why the idle quality suffers when I run them below 1.5 ms. Standalone injector drivers? I guess I should move this topic to another area..