Subject	I imagine when an injector opens and creates a miniscule
Posted by	LitlElvis on January 12, 2012 at 11:22 PM
	This message has been viewed 143 times.
In Reply To	Yes, it is for the harmonic oscillations from the injectors. posted by not4resaleZ on January 12, 2012 at 06:21 PM
Message	drop in fuel pressure, the damper does respond by opening a bit more to equalize the pressure ahead of it. Conversely, when an injector closes and creates a miniscule pressure increase, the damper closes a bit more to ward off imminent over-pressurization within the fuel rail(s). The pressure would have to change by a rather large amount before a lean condition would prevail and burn down the engine. One would have to think that there would be an equal chance for momentary rich conditions... nothing is perfect. What makes you so certain it is an issue? There are plenty of performance injected IC engines that run without a damper... many OE systems are damperless to no apparent ill demise. Who knows what the manufacturer's reasoning is for the applications that they choose to use one on? But just because one comes from the factory with a damper does not mean it is required to run one forever. What I am saying is I believe the effect is minimal and I don't plan to worry about it. Nobody is "wrong" in using a damper and by all means, if you want to use one, go ahead.
Follow Ups	Fuel Dampener with aftermarket fuel setup and FPR? - Red Hawk (CO) 23:55:50 01/11/12 People with upgraded rails usually delete the dampner. - Z32TT-R 00:47:42 01/12/12 From the time of conception, the MPZ has been pumping with a - MPV TT 02:23:50 01/12/12 I'm still running a stock pump on the Z, but on the 240 - Halo TTZ 06:03:46 01/12/12 I deleted mine.... - Madhatter10-6 09:15:57 01/12/12 Sweet, you have the exact setup I was going to run with (n/m) - Red Hawk (CO) 15:03:59 01/12/12 None here. (n/m) - Woody75 (Denver) 10:26:14 01/12/12 Any advantage in running without one? (n/m) - njz 11:53:53 01/12/12 Cleaner engine bay. Cheaper if yours is leaking. Easier - not4resaleZ 12:10:00 01/12/12 I would leave it on. Rapid oscillations in fuel pressure - not4resaleZ 12:05:38 01/12/12 The damper is simply a regulator with a slightly higher - LitlElvis 13:58:23 01/12/12 what he said (n/m) - Madhatter10-6 14:53:36 01/12/12 Recently asked Seb @ SZ about this. He doesnt use one.... (n/m) - timmaz 16:26:24 01/12/12 Yes, it is for the harmonic oscillations from the injectors. - not4resaleZ 18:21:29 01/12/12 Are these guys wrong? - not4resaleZ 18:24:48 01/12/12 I imagine when an injector opens and creates a miniscule - LitlElvis 23:22:56 01/12/12 Its like the water hammer effect from my understanding - Jim (Selin Design) 13:12:23 01/13/12 One thing to think about is the fact that the engine - not4resaleZ 18:34:21 01/13/12 The *only* reason Nissan felt it was a concern was - CoHPhasor 18:19:50 01/14/12 who did you talk to at Nissan? (n/m) - aliaZ 20:45:53 01/15/12 I just checked the GTR and the 370Z and Nissan is still - not4resaleZ 18:36:59 01/12/12 The damper is not for the fuel pump - aliaZ 12:40:52 01/13/12 Awesome, Thanks Guys (n/m) - Red Hawk (CO) 15:04:25 01/12/12 Marren makes a fpd, thats what I run on my z. - youngbloodz 02:17:20 01/13/12 Overengineering does not more intelligent make - CoHPhasor 18:23:28 01/14/12 According to Ray Hutton in "Nissan 300zx The Enthusiast's - not4resaleZ 17:54:04 01/15/12 2nd - aliaZ 20:51:03 01/15/12
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