Silly question

[brian617]

Editing my very first .bin and stumped on this conundrum. Currently im running 17.5psi of fuel pressure to help avoid running to lean with my current engine set up. According to the fuel flow calculator at Witch Hunter that would yield me an injector flow rate of 73.7 vs stock estimate at 12psi of 61. Do I change the injector flow rate on the .bin to match the fuel pressure, even though im using the fuel pressure to avoid lean conditions?

I want to say yes, but looking for an experts opinion.

One other thing. Can the celsius be changed to fahrenheit in TunerProRT?

thanks brian

BJYL .bin for 427 PCM

[EagleMark]

Yes, enter the new injector flow. Then you can properly adjust the fueling VE tables.

What do you want to change or add as Fahrenheit? If it's a Value in data ADX file it's done in the conversion.
C = X * 0.750000 + -40.000000
F = X * 1.350000 + -40.000000

I usually just add another value so I have both, if it's coolant temp your looking for I'm pretty sure I added it to $0D? If not sorry to who ever did... here you go.

[brian617]

I'm using the XDF, Advanced $OD TP5v.251xdf

Fahrenheit just makes more sense to me.

[EagleMark]

Yeah, well me too! Guess it's the way we were taught as youngsters here in USA. Same thing you have to change the conversion but in XDF it could be a little more difficult as they could change from Parameter to Parameter.

I've been converting for years and still need a cheat sheet sometimes or use an online converter. Which I would recommend...
https://www.google.com/search?ie=UTF...fe=off&spell=1

I've never found a simple program to load on my tuning laptop to do the same thing as google does at top of that page? Probably and app for my phone though...

[brian617]

I could use a conversion chart I suppose, just figured there was a C-F setting in TP5 that I was over looking.

Dont think i'll ever know how much a Kg weighs or how far Km is hahahaha.

[EagleMark]

There's no such Easy Button in TP, each Parameter has to be set up.

I agree, but after all these years MAP KPA is now more usable to me the Vacuum inches of mercury?

[brian617]

I guess it boils down to whomever wrote the xdf as to how it is translated?

[EagleMark]

Well yeah, but metric is native.

[JeepsAndGuns]

If you have a smart phone, search and download unit converter lite. I have it on my phone and it has conversions for about anything and everything you and think of! One of the best apps I have. It even has a spot where you can save your favorite conversions for quick access. I know its on android phones, but not 100% if its on iphone (since I dont have one)

[brian617]

I'll check that out, thanks.

[brian617]

More perhaps silly questions:

With the old 7747 ECM and stock AMUU .bin I was running 10* base advance just to get the truck driveable. In doing so I had to manually set throttle blades for idle with zero IAC count. Now that I've moved up to the 427 PCM and have learned how program a chip I'm ready to dial that advance back down to get my IAC control back.

Its my understanding that the RamJet cam I'm running is ground 4* advanced. Does it make sense to run my base timing to match as well as setting up the .bin to match also? Seems to me the injector firing advanced to match the cam would make sense, but I'm new to this.

[Fast355]

More perhaps silly questions:

With the old 7747 ECM and stock AMUU .bin I was running 10* base advance just to get the truck driveable. In doing so I had to manually set throttle blades for idle with zero IAC count. Now that I've moved up to the 427 PCM and have learned how program a chip I'm ready to dial that advance back down to get my IAC control back.

Its my understanding that the RamJet cam I'm running is ground 4* advanced. Does it make sense to run my base timing to match as well as setting up the .bin to match also? Seems to me the injector firing advanced to match the cam would make sense, but I'm new to this.

My personal experience tells me to set the timing at 10* BTDC and match that in the Initial Timing setting in the .BIN. This helps with startup especially in cold weather as well as if the EST system ever goes away while driving. Works well for me.

[brian617]

I thought I had read somewhere that with that much base advance I was losing IAC control and possibly causing other issues with the injector timing being advance that far. I suppose I can try it both ways and see what happens.

[Fast355]

I thought I had read somewhere that with that much base advance I was losing IAC control and possibly causing other issues with the injector timing being advance that far. I suppose I can try it both ways and see what happens.

To regain IAC control you need to lower your minimum air rate on the throttle body. You want the injector timing advanced, not retarded with larger than stock cams.

[brian617]

I'll do that thanks!