• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Injector data question?!

Well each injector is etched with either 45.2 or 45.3, and also another 3 digit number and then a date. Also I found another part number, I didn't notice it before because they were a little dirty. The number reads... 4232...and 17113738, but that number comes up as a 50lb injector. So I'm wondering if this part number used to be a 42lb years ago, but now it's a 50? Let me know what you guys think. Try googling "Delphi 17113738"
 


just install em and run the file for 42's, if you need to adjust the value you'll know in 15 minutes with the auto trim learn feature hp has.
 
So they are 50s flowing at 45.2 and 45.3? I did read somewhere that it was common for these to be flow a little less than they're rated

Thanks a lot for the help guys.
Much appreciated
 
I just wanted to get as close as possible, at first I wasn't so worried about just that, mainly wanting to know if what I have is legit and sizeable for my application. Got that figured out now I think tho, thanks a lot guys! Seeing this is my first time using hp.... I may have a question or two, or ...10 ....soon! I'm starting off with my zzp 1.0 pcm untouched by anyone else. And I think I've already noticed several things that they claim to "modify" that were left untouched.
 


So what do you think I should enter in for flow rate vs kpa for these 50lb injectors? They have 45.2 on 3 of them and 45.3 etched into the other 3.. also do any of you guys know what the other 3 digit number on them are? It's different on each injector. You can see one in the picture at the beginning of the post. I'm sorry for all the questions, but I'm just starting.
 
you seem to lack tuning know how. you can adjust them to make them right no matter the size. you would tune them off your long term fuel trims. and maf kpa and change them as need be till the fueling is right.

so load up the 42 file and if need be turn them up, you'll know asap cause you'll be lean if they are larger then 42's.
 
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