98cobra+75280z Posted July 2, 2010 Share Posted July 2, 2010 I am at a loss for trying to figure out my problem. I did the 82 turbo swap in my 75 280z about a year ago and everything ran great for about six months until the turbo seal went out. I then swapped the stock t3 for a t25 water-cooled turbo out of a skyline r33. The problem i am having now is that the car idles and revs perfect, however when i drive the car and put it under a load i drives fine until it switched from vacuum to boost. As soon as it is under boost it kicks and stumbles with no power to be felt. i took all the connections off of the ecu, tps, ect. i cleaned all them and put dielectric grease on the connections but to no avail. the problem still persists and i have read about swapping 300zx ecu plugs for the 280zx plugs. I am not sure how hard this swap is and if there is anyone that can help me with diagrams or hints to the swap. thanks for any help. Quote Link to comment Share on other sites More sharing options...
marcus70ZT Posted July 22, 2010 Share Posted July 22, 2010 hi, i had a very similar problem with my 280zxt and it turned out to be a combination of a dirty fuel filter and dirty fuel pump relay contacts (i think mostly the fuel filter). hope this helps. Quote Link to comment Share on other sites More sharing options...
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