EuroAccord13's Re-Tune....(NOW WITH VIDEO ON FIRST POST)

So the retune was the hondata one??

And you've got CAI and a header as well. What mods did you have on the original graph run? Compared to the new graph run? Just interested in what gains did what.

Looks very good to me though.

Hows the mid range in normal driving compared to stock?

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Originally Posted by Suntzu

So the retune was the hondata one??

And you've got CAI and a header as well. What mods did you have on the original graph run? Compared to the new graph run? Just interested in what gains did what.

Looks very good to me though.

Hows the mid range in normal driving compared to stock?

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He uses the VAFCii. Not Hondata.

As far as I know, the ECU hasn't overwritten the VAFCii tune because the output Kws when it was originally tuned was the same figure as a dyno run I had performed a few months later when Yfin and Euro77 were both at the workshop...


The original figure was done only with an exhaust and CAI, the latest one is a full retune for the whole RPM range with the only added bit being the headers.

only a header and retune gave you 14kw gain?
that's HUGE

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Originally Posted by TypeG

only a header and retune gave you 14kw gain?
that's HUGE

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You have to take into account that the headers are complemented with the CAI and zorst to make this figure, if it was just headers alone, the gains will be less with the VAFCii.

With the VAFCii, it has got more potential for gains if there are more modifications to feed the car to start with..

Between the three modifications, a set of decent headers will provide the largest gains.

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Originally Posted by EuroAccord13

You have to take into account that the headers are complemented with the CAI and zorst to make this figure, if it was just headers alone, the gains will be less with the VAFCii.

With the VAFCii, it has got more potential for gains if there are more modifications to feed the car to start with..

Between the three modifications, a set of decent headers will provide the largest gains.

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A set of decent modification will provide the largest gains for sure :cool:

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Originally Posted by TypeG

A set of decent modification will provide the largest gains for sure :cool:

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Hey Gas hav u installed the Blitz R-vit i-color yet?

Can you give us an idea of performance tunning parameters and ease of use?

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Originally Posted by mugen88

Hey Gas hav u installed the Blitz R-vit i-color yet?

Can you give us an idea of performance tunning parameters and ease of use?

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errrrrrrrrrrr
Rvit is just a monitor like rsm plus temp and pressure sensor.

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Originally Posted by TypeG

errrrrrrrrrrr
Rvit is just a monitor like rsm plus temp and pressure sensor.

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Oh I thought it did more than that.

nah
some more rice thing for track use as i hate those gauages on my dash

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Originally Posted by aaronng

The ECU also has Open-loop and Closed-loop modes. Closed-loop is used when there are smaller throttle opening and when in lowcam. I think that closed-loop operation with VAFC is not affected by the optimisation. But open-loop is. And open-loop is what matters when you are doing full throttle acceleration runs.

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Pretty sure it's the other way round. Any closed loop system uses a feedback loop to alter the incoming signal using a function of the output to self correct to a particular value.

Quote:

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Originally Posted by TypeG

only a header and retune gave you 14kw gain?
that's HUGE

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So how is it to drive now Nick?