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hi guys,

i was gonna install a fcd to my skyline but have been talked out of it and told to use a nistune chip and tune everything properly, as they are better for the engine and still relatively cheap. who has one of these chips?? and if anyone has any advise like wether i should try one of them or just spend the extra money and get a pfc??

would b great for a little help and cheers in advance

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www.nistune.com It would be cheaper if you ordered it and had someone you know who is good at micro soldering to install the daughterboard. Otherwise a workshop can do all the work of installing it and tuning it. Even with the workshop ordering it, installing and tuning it, it would still end up cheaper than buying the PFC and tuning the PFC.

www.nistune.com It would be cheaper if you ordered it and had someone you know who is good at micro soldering to install the daughterboard. Otherwise a workshop can do all the work of installing it and tuning it. Even with the workshop ordering it, installing and tuning it, it would still end up cheaper than buying the PFC and tuning the PFC.

but if money wasnt an issue out of the two, which would you go for? Just thinking about it from a logical point it seems that a complete aftermarket ecu would be much better then a piggyback style ecu? no?

correct me if im wrong =]

go the nistune...

what are you reasons?

even if money is no object nistune would generally be a better option for a street car. its not a piggyback, yes it retains the standard ecu but modifies it so its fully programmable, the benefits of this are it looks 100% stock and you retain all the factory cold start and idle features which the power fc isnt as good at.

When you say its better for street car because of it looking 100% stock, retaining factory features ect. What about in terms of tunability? would you say the nistune falls behind the PFC in this situation?

for someone like me who dosnt care about the stuff you mentioned but just wants the most of the setup, making big numbers while keeping the midrange nice and phat, whats your input?

When you say its better for street car because of it looking 100% stock, retaining factory features ect. What about in terms of tunability? would you say the nistune falls behind the PFC in this situation?

for someone like me who dosnt care about the stuff you mentioned but just wants the most of the setup, making big numbers while keeping the midrange nice and phat, whats your input?

I would say speak to your tuner. End of the day, they are the ones tuning it, and that's what determines how good it is.

pfc doesn't have a knock map

so if for some reason your car is detonating you blow your engine.

the oem computer just turns back the timing

The enough of a reason to make me use the oem computer

pfc doesn't have a knock map

so if for some reason your car is detonating you blow your engine.

the oem computer just turns back the timing

The enough of a reason to make me use the oem computer

Only good if the tuner adjusts the knock maps though. Seen a few people have issues where the knock map is left standard (or just copied from the tuned map), engine knock, ECU switches to knock map and it either does nothing or reverts to stock :wacko:

Knock maps are not yet available on most nistune ecu's.

Therefor knock maps are best to be copied from the tuned map. The tuned map should be tuned so there is no knock anyway and "shouldnt" be on the limit of knock.

For a street car i would recommend nistune.

For a car that see's the circuit i would prefer power fc or any other ecu with injector trim to help keep the back cylinders of the motor alive.

Unfortunately nistune doesnt offer this at the moment.

Knock maps are not yet available on most nistune ecu's.

Therefor knock maps are best to be copied from the tuned map. The tuned map should be tuned so there is no knock anyway and "shouldnt" be on the limit of knock.

For a street car i would recommend nistune.

For a car that see's the circuit i would prefer power fc or any other ecu with injector trim to help keep the back cylinders of the motor alive.

Unfortunately nistune doesnt offer this at the moment.

Agreed a car shouldn't be on the limit of deto. However if a fuel pump was dieing and you were getting low fuel pressure or you dropped off a waste gate line and you were free boosting. lost of different things can cause knock and can happen while your driving it as well

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