Larger Injectors Tuning
11-21-2011, 08:37 PM
#11
11-21-2011, 08:39 PM
#12
I would return those injectors and get some Siemens/Deka injectors. There is no proper data available for those anywhere. Ask me how I know. You can get them to run but they'll never be right without the proper data, and unfortunately it's non-existant. The guy that builds and sells them knows this but won't admit that anything more is required than what comes on that little card.
11-21-2011, 11:07 PM
#15
I have these same injectors and I was under the impression that they worked great. I have not installed them yet, but I am planing on it. Did anyone talk to Justin @ Blackbear about tuning with these injectors? I believe he is familar with them. This is the first negative feedback that I have heard off on these. 
11-22-2011, 04:17 PM
#16
Can one of you guys send me the data for these injectors at justinfbomb@aol.com? I'm going to be starting my tune in about a month(hptuners) and having some decent data would be a huge help.
11-22-2011, 05:39 PM
#17
I had Nelson try and tune these injectors but even he had trouble with certain parts of the tune, namely the cold idle and acceleration. I've since tweaked them to run pretty good.
TurboJohn6, I will get you a copy of my tune when I get back in a couple days.
TurboJohn6, I will get you a copy of my tune when I get back in a couple days.
11-22-2011, 09:44 PM
#18
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You'll need a much wider range of IFR data than you have listed to fill the table. You'll need minimum pulse width, but I don't see a lot of variation from 0.8ms with 60lb injectors, so you could probably use that value... Also need short pulse adder information, and definitely a lot more information on latency. Injector response time is also affected by manifold pressure so you are going to need a whole table for injector offset on a graph with respect to voltage and vacuum.
So basically, you need a lot more information
What injectors are they?
So basically, you need a lot more information
What injectors are they?
11-22-2011, 09:59 PM
#19
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I would return those injectors and get some Siemens/Deka injectors. There is no proper data available for those anywhere. Ask me how I know. You can get them to run but they'll never be right without the proper data, and unfortunately it's non-existant. The guy that builds and sells them knows this but won't admit that anything more is required than what comes on that little card.
to you also.As I always come on here on preach just getting the IFR entered in correctly in the tune is only a small part of the equation when it comes to tuning in different injectors. The reason I probably always sound like a broken record about is because it is very important to get the other "correct" data changed to match the characterization of the injector being used.
Yes these injectors are of course a very inviting and logical choice being how nice it is that they are plug and play but with this also comes with a lot of headaches getting them tuned in right. Can it be done? Sure. Has it been done? Sure guys are using these and have gotten them to work but for a number of the self tuners out there who may be a little less experienced for example may end up down a rough road of tuning a larger injector without having the right data.