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R33 Powerfc Map Sharing Thread

benl1981

By benl1981,
in Engines & Forced Induction

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benl1981 Grand Master

benl1981

Posted
Posted

I'm starting this thread so there is somewhere to compare maps..Not sure if this has been started already somewhere else.

I have a GCG high flow that has some hesitation/misfire when backing off slowly. SK said that it is common to have to increase ignition advance by 10 to 15 deg over the default maps at certain load points in order to get the 450hp turbo to run smoothly on the Rb25.

I am after someone with either stock turbo and tuned precisly or someone with a GCG high flow and stock AFM to share there maps so I can drive it for a while before I get a tune as I still have to add a few mods.

I have been playing around a bit but it's easy to get too much knock..with the stupd hand controller and driving it makes it hard. I don't have datalogit so if anyone has the maps in .xls (excel) it would be good.

I remember Paulr33 did quite a bit of work with adding advance to the first 10 x10 lot of cells..

THanks!

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Cubes Grand Master

Cubes

Posted
Posted

The car should run fine on the base map with regards to general commuting.

Paulr33 playing with the first 10x10 maps only alters the cruise and 'very' light throttle acceleration.

If your having hessitation/backfire when backing off the issue isn't cause by the turbo, check your tps is set correctly and the car isn't running overly rich. Ensure your getting reasonable economy, which is 400km's+ per tank when driving it normally with the odd squirt. If your getting sub 400's then start looking at the AFM, O2 sensor & injector condition.

With regards to knock pull a good 6-7degree's. If it still knocks you may very well be knocking due to it running lean.

So be carefull.

benl1981 Grand Master

benl1981

Posted
  • Author
Posted (edited)

Its hesitating when easing off the throttle - not when fully off it.

Maybe at some low load points it is also..i.e. at low revs medium load.

Fuel economy is still the same. I have only changed the turbo - nothing else.

Edited by benl1981
Guilt-Toy Grand Master

Guilt-Toy

Posted
Posted

where are you ? if your around sydney / newcastle area and your interested in getting it tuned i am tuning a R33 Power FC on sat arvo on a guys car that i installed a KKR turbo on last weekend and will have the tuning gear (power fc laptop software and wide band sensor)

Let me know if your interested in getting it done

Revhead Grand Master

Revhead

Posted
Posted

If you haven't already, double-check the mechanical side - make sure hoses are tight etc. There's no point trying to tune out a problem that isn't related to tuning :)

Assuming you've already done that, you could try this. It's been a while so I can't remember what it's called, but there's a screen on the PFC named something like "map browser" - it shows a 20x20 matrix with a dot on it, indicating which part of the maps you're currently using. Take your car for a spin and have someone watch that screen, and have them note where the marker is when the car starts to miss. Clean up the fuel/ign maps around the area indicated by the marker. It gives you somewhere to start anyway.

Guilt-Toy Grand Master

Guilt-Toy

Posted
Posted

you mean the map tracer - monitor - map trace

If you haven't already, double-check the mechanical side - make sure hoses are tight etc. There's no point trying to tune out a problem that isn't related to tuning :)

Assuming you've already done that, you could try this. It's been a while so I can't remember what it's called, but there's a screen on the PFC named something like "map browser" - it shows a 20x20 matrix with a dot on it, indicating which part of the maps you're currently using. Take your car for a spin and have someone watch that screen, and have them note where the marker is when the car starts to miss. Clean up the fuel/ign maps around the area indicated by the marker. It gives you somewhere to start anyway.

  • 9 months later...
Devils_Advocate21 Mentor

Devils_Advocate21

Posted
Posted

That was last year, n e way, in regards you got to remember the time and money put in for such maps n e way from reputable tuners and such, i dare doubt some people would want to share there maps due to money basis, Not only that is that there is so much variance between cars these days, it would still need to be touched up or re done by a tuner n e way...

Cheers

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