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I Just got my NEO dyno'd,

I got 179rwkw with a catback and apexi filter.

The heatsoak was pretty bad, the next run after that I only got 164.

From the mods you have it's possible.

Cheers

Josh

Yea exactly and mine was staying on 13 the whole time. The other guy was saying that if it was the fuel pump the AFR would keep rising... I don't see how tho

i think you are right there. i'd say its probably the fuel pressure regulator.

mayb i should just replace the FPR 1st and see if it fixes it

Should i be getting any particular brand or just get a stock1?

nismo ones are cheap and well tested .. and just fit inplace of the stock one easily

Depends on your long term goals.

If you don't plan to throw a highflow on it just grab another cheap (if they are cheap that is) stock item from a wreckers and try.

Otherwise.. grab a nismo item. They work well and are well priced. Grab one from nengun/perfectrun and the like.

You can't just throw a FPR onto a stock ECU. It'll mess up the fueling on anything but full throttle.

Also AFRs at 13 wouldn't be responsible for the high power. The power difference say between 12 and 13 might only be 2-5% max. 196rwkw at 8.5psi.. sounds like an RB30 haha.

what i find odd is that the AFRs are almost dead flat all the way through, even though it is lean

maybe its not actually a stock ECU? have you checked what it looks like for some kind of sticker? or opened it even?

what i find odd is that the AFRs are almost dead flat all the way through, even though it is lean

maybe its not actually a stock ECU? have you checked what it looks like for some kind of sticker? or opened it even?

Nah havent checked it, i jus assumed it was stock i guess. I'll do that this weekend and let u guys know. ECU is located under passenger side kick panel right?

yeah but if anything that would make the figures more realistic..

its when IT is way higher than AT that you see higher figures, so with the values around the same the computer won't apply much (any?) correction...

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