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Hey guys,

About 3 months ago I bought a power fc for my gtst and got it installed and tuned by trent at status.

It made 192kw on 12psi with the stock turbo and usual fmic/pod/exhaust.

On the way home I noticed it the knock warning coming on a few times under full load, so I took it back and he took a bit of timing out.

After that all was sweet.

A few days ago, I took the car to re customs to get a check up and ray replaced the plugs and said all was good.

Problem is now, I'm getting the occasional knock warning again under full load.

On the way to work today; in 3rd full load down the freeway the warning light flashed, I looked at the hand controller and it read 132.

I figured it might have something to do with the AC on, so I turned it off and tried again.

Now more often than not the warning light flashes under full load and reads anywhere from 50-70.

I know this shouldn't be ignored; but I need some advise.

Take more timing out?

Try some split fires or z32 afm?

Ignore it?

I don't think it's pinging, but to be honest I've don't know what I'm listening for.

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You had the A/C on today in 15 degree weather? :P

It's just a simple case of a cell or two adjusted, just take it back to Trent.

Doesn't surprise me given the cold ass weather we are experiencing that it's hitting map area's now that you wouldn't have 3 months ago...

Nothing major to worry about, just take it easy until the tune is adjusted.

as trent said check your boost control, the hand controller will show you peak boost if you are using the powerfc boost kit

if you arent, you could consider hooking up the map sensor for it to display on the hand controller ($200 map sensor and $20 loom)

I find it best for over boosting is to remove 3 degrees from load rows that aren't in use,

for example:

row 15, reads 16, 16, 16, 17, 17, 18

row 16, reads 13, 13, 13, 14, 14, 14

row 17, reads 11, 11, 11, 12, 12, 12

You get the idea

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