Quote:
Originally Posted by Croustibat
Ah, i missed that.
Bin the SAFC. That is not a tune.
SAFC works by tricking your ECU , it changes the MAF signal (and probably the temp signal too). It leads to having the ECU read another value in the fuel table ... which would be great, if it was the only thing it did, and the only thing to be done.
The problem is you need to change timing correctly, and an SAFC cant do that, because it has no way of knowing the timing .
The biggest concern is that by altering the MAF signal, it also forces the ECU to go and read another value in the timing table. Usually one that you dont want at all. Unfortunately, no (affordable) sensor will tell your timing is no good...
Bin the SAFC, get a real tune. If you know someone who has a nistune, get him to map your car by installing his ECU in yours. Then you can burn the resulting program in a couple of EPROMs and install them in the car.
Depending on his ability, It should also reward you with a lot more HPs mid and top range (timing makes power, not AFRs). I'd say 10 to 20...
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The timing is right on. I asked the tuner and he said he had to adjust it and the cams while it was on the dyno because they were off. He told me its running like it should and it made great power. 280rwhp and 280rwtq. I really don't want to get rid of the neo if it's not messing anything up... What else should I check to see if the neo is affecting it negatively?