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RX-7 3rd Gen Specific (1993-2002) RX-7 1993-2002 Discussion including performance modifications and Technical Support Sections.

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Old 02-27-2010, 10:26 PM   #1
93vrfd_houston
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hey milano, thanks for the tips. yeah i'm going to try to talk him in to taking a lot of pics so i can see the process as well. he is a verry mechanicly inclined person with years of experience working on cars. he actually owned an old rotary wagan back in the day. he already knows to lable everything that is getting removed so that he can figure out the correct way to get it all back together.

my next ? is when all the new toys get added to the motor, what is the process. i know the motor will need to be tuned before i can do anything, but it is fine to start and run to check everything as long as it doesn't hit boost correct?

i have a pfc and commander, can he change the map at all with this or just run the pre-set maps. can he just make it run rich for the time being to make sure we don't do any damage? the reason why i ask is because he is changing the injectors, dp, mp, and putting the bnr's on.

after he gets everything installed, it will most likely be trailer'd up to dallas / ft. worth area to go to kan's new shop.

would you guys suggest me buying an ai kit or water injection kit? that is one thing that i haven't read up enough on in the forums to know anything about. besides the fact that everyone thinks it is a rotary saver.

thanks mark
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Old 02-28-2010, 03:49 AM   #2
milano maroon
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I'm sure others who know more about the PFC will chime in but here are a few answers to your questions -

With the Commander you have to start with the default map. You can't load a custom map. But you can change parameters such as injector sizes, sequential - non-sequential, some stuff like that. You can also vary the amount of fuel in each of the 400 cells (although it is a little tedious with just the Commander). Same with both ignition maps. There are ways to richen just portions of the map with PIM voltages, fuel increases by RPM band, etc. You can also richen or lean out the entire map at one time by altering injector lag times.

I'll let others suggest what you should or shouldn't do without getting a professional tune. On my own car I did start it and let it idle on the base map. Just make sure you warm it up before you shut it off or you risk flooding it (ask me how I know). All engines are different but mine didn't drive well on the base map until I got a Datalogit and started tuning for AFRs.
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