After The Rail

[66yostagea]

The rail fitted was out of a 25DET. It was put in a 25DE. It fixed all the missing and huffing and puffing, but now has a definate lag when starting from stop. It is quite frightening caus a couple of times it has stalled. Not very nice! Also I think it is revving out further before changing up. Would the fact that the rail has larger injectors than before cause all this?? Still used the same relief valve.

[KiwiRS4T]

The rail fitted was out of a 25DET. It was put in a 25DE. It fixed all the missing and huffing and puffing, but now has a definate lag when starting from stop. It is quite frightening caus a couple of times it has stalled. Not very nice! Also I think it is revving out further before changing up. Would the fact that the rail has larger injectors than before cause all this?? Still used the same relief valve.

What have you changed? Have you upped the injector size relative to the ECU?

[66yostagea]

Yes, still using the stock 25DE ECU.

[Ben C34]

Then certainly putting in larger injectors will cause issues without a tune. Will be running too rich and economy will suffer.

[wolverine]

370cc vs 270cc injectors if memory serves.