Does anyone have the correct injector setup for the datalogit with this fuel system and 550 primaries and 1680 secondaries?

Fuel system:
http://www.rx7store.net/Ultimate_Fuel_System_93_RX_7_p/ultimatefuel.htm

 

Yep. A little tricky to tune the transition but works fine.

 

Could you share what your settings 5 looks like please?

 

See my attachment for Settings 5.

 

Why the difference in front sec and rear sec? Also, I've heard of a .900ms transition is best. Any reason you went with .100?

 

The rear rotor runs a little leaner and this helps to correct that.

I am the "ONE" who discovered that the injector transition vales for "%" and "ms" were bad even for the stock injector setup. Using the Datalogit, the transition was logged and displayed in a chart format. It showed that the primary injectors dropped of too much while the secondary injectors came on way too strong. This caused a feeling of leanness but actually was too rich.
Many tried correcting this by using the INJ Overlap table but that was a bandaid.

My way is the best actual fix to almost correct the problem. Still is a little off but that is the best the PFC can do.

Email me if you really want to see the charts.

 

Not to hyjack the thread but how does the op set up work, what avout 750cc or 850cc for primaries? Also will 550cc and 1680cc injectors work ok for 450hp

 

I use 550cc primaries because they are good to like 500hp and are better for daily driving in my opinion.

 

ID750 primaries are good,
Denso 850 primaries are crap.

 

Alright, Im having some issues with the FD and wanted to see if i can get some input. So i currently have:
single turbo conversion
3" TBE
Power FC
Datalogit
and this fuel system: Ultimate Fuel System 93+ RX-7

i chose the 550/1680cc pri/sec injectors.

Here are my datalogit settings:


Setting 5




Setting 4




Setting 3




Setting 2




Setting 1




IGT Map. 12 Split all around to be safe while i tune for AFR.




IGL Map

 

The issue is no i cant get the car to start and after a few times trying i pull my spark plugs and they are soaked with gas. i am using 4BUR9EQP plugs. I checked my battery and its only has about 10v but the battery is quite old and i already plan on getting a new one. But i hooked up a jump box with a constant 12v to it and i get the same problem. Is there something wrong with the tune im using or is it more severe. Also, on my FPR, i seem to only be able to get ~32 base pressure with no vaccuum. I believe thats another issue in itself so if anyone has an idea about that, id greatly appreciate it. This is my first rotary so im trying to learn as i go. Please excuse any ignorance.

 

I had this issue yesterday with the same fuel setup, I adjusted the TPS a touch clockwise to read 1.00 volt closed and she idled fine all day at 1200rpm's. Today I went out and killed power for the PFC to re-learn idle because it was hunting yesterday and I can't get her to idle at all. I didn't change anything, can't figure it out!

 

Excuse the ignorance but what exactly do you mean by TPS?

 

Throttle Position Sensor,
http://www.fd3s.net/tps_adjustment.html
https://www.rx7club.com/3rd-generati...needed-841706/

 

Figured out my problem, it was incorrect settings on the PFC for my 3bar map sensor.