quick question about re installing my Pfc... - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

silviakid2790 · 11-06-2008, 04:04 PM

i bought a car that already had the PFC hooked up and running fine.. i want to put it on my other sr20...

here is my question... how long does the PFC keep a tune for without any power to it? if im not mistaken its about 2 days or so??

im going from a sr that had cams, 740s, gt2871r, to a stock sr20...will the pfc reset to the SR base maps since its been without power for over a month?

*1QUICK4* · 11-06-2008, 06:22 PM

I thought they kept the maps on there for longer than that, don't they have ram built into them?

Pank · 11-06-2008, 06:38 PM

ram dies instantly without power. if it holds maps its got a battery backup or (more than likely) a non volitile ROM

silviakid2790 · 11-06-2008, 08:02 PM

you dont think the battery backup would last for over a month do you? lol

11-06-2008, 04:04 PM	#1
silviakid2790 BANNED Join Date: May 2007 Location: wake forest, nc Age: 31 Posts: 329 Trader Rating: (1) Feedback Score: 1 reviews	quick question about re installing my Pfc... i bought a car that already had the PFC hooked up and running fine.. i want to put it on my other sr20... here is my question... how long does the PFC keep a tune for without any power to it? if im not mistaken its about 2 days or so?? im going from a sr that had cams, 740s, gt2871r, to a stock sr20...will the pfc reset to the SR base maps since its been without power for over a month?

11-06-2008, 06:22 PM	#2
1QUICK4 Stop or I'll Shoost Join Date: Aug 2007 Location: ND Age: 36 Posts: 648 Trader Rating: (0) Feedback Score: 0 reviews	I thought they kept the maps on there for longer than that, don't they have ram built into them? __________________ -383 RWHP & 407 RWTQ- Review Thread= #/f/showthread.php?t=201106

11-06-2008, 06:38 PM	#3
Pank Post Whore! Join Date: Oct 2004 Location: Charlotte, NC Age: 38 Posts: 3,627 Trader Rating: (0) Feedback Score: 0 reviews	ram dies instantly without power. if it holds maps its got a battery backup or (more than likely) a non volitile ROM __________________ high performance driveway photography zenki s14---v8 fc rx7 my crappy flickr page (drift cars whoo)

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11-06-2008, 08:02 PM	#4
silviakid2790 BANNED Join Date: May 2007 Location: wake forest, nc Age: 31 Posts: 329 Trader Rating: (1) Feedback Score: 1 reviews	you dont think the battery backup would last for over a month do you? lol