dj paul Posted April 12, 2007 Share Posted April 12, 2007 Alright, I wasnt able to find anything to my satisfaction through searching so here it goes. I have an 80 280ZX and i just swapped in an N42 intake manifold and headers. There were some injectors that the plastic was cracked on so i replaced them with some 280Z ones that werent cracked and read 3 ohms. 2 of them to be exact. Anyways i was having a cold start issue so i put a check valve before the fuel rail and it fixed my cold start problem. I plugged all the vaccuum lines except for the distributor advance, including the BCDD which im about to take off because when idling in park or neutral and u barely hit gas it shoots up to 3k and sits there. All my injectors read 3 ohms and there are no leaks in fuel system, i just replaced all hoses on rail with new fuel injection hose and cleaned up connectors. #1 injector is the only one that clicks loud, like really loud. Anyways, i went for a test drive and it has way more power it seems at low rpms. but as soon as i start getting after 4k it loses power and at 5k it doesnt want to go past it. is this a fuel delivery issue or do you think that i could be losing power because the header bolts need to be tighter or something? i tightened them well but im just wondering. I just wanted to ask before i go buying a bunch of replacement parts and waste money trying to figure out problem. Quote Link to comment Share on other sites More sharing options...
dj paul Posted April 12, 2007 Author Share Posted April 12, 2007 alright never mind guys i feel like an idiot. its the stupid auto tranny slipping. Quote Link to comment Share on other sites More sharing options...
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