[WolfPlayer]

Originally Posted by the blue thing

I am at around 450C at idle according to the Zeitronix reading, the funny thing is………. It only shows as 200C according to his heat gun measuring at the exact same spot.

Your EGT is closer than his temp gun. Subarus idle at ~850 (plus or minus a hundred). My EGT shows this too. That equates to 450C give or take ... which is exactly what you are seeing. There is absolutely no way the the car will have 200C temps idling. That's only 400 degrees. Subarus idle at double that.

If you doubt the EGT at all then just get a mechanical EGT gauge and use that as a back up for checking it out. But, at least for idle, your EGT appears to be on target.

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[daemon]

His temp gun wasn't measuring the inside header gas temps, but the outer layer of the header metal. I wouldn't expect them to read the same in general. Of course, that doesn't mean your gauge is right either, but I don't think the temp gun was the right way to test this.

[the blue thing]

um......got to go back to the garage again. If all readings are correct, what could have been the problem with the engine? the fuel is stock and I only have a K&N replacement with the intake. Christian said there might be leaks from intake to turbo........ can you guys think of anything else?

[drfrink24]

Originally Posted by the blue thing

Christian said there might be leaks from intake to turbo........ can you guys think of anything else?

Interesting point.

I had an airhog drop in element. The engine side of the filter didn't fit into the stock box correctly, the tabs on the engine side just won't allow it. I put in the stocker, (with the battery disconnected), and noticed my EGTs dropped by 100 degrees peak after going out. I've since re-installed the airhog, by taking out the entire airbox, installing the filter, and then re-installing, and my EGTs are still good.

I know there was some leakage on the one side, because there was some dirt on the clean side of the element.

I thought it was the hard ECU reset that was clearing up something, but, maybe the correction of the intake problem is what did it?

[daemon]

Doesn't seem like the air box itself not being sealed properly would do it, unless turbulance is messing up the MAF reading. I assume Christian was talking about a post-MAF, pre-Turbo leak which would allow air to get in that wasn't measured.

Now a post turbo leak could be interesting... I would think that off boost it would cause you to run lean and on boost it would make you run rich.

[drfrink24]

Originally Posted by daemon

Doesn't seem like the air box itself not being sealed properly would do it, unless turbulance is messing up the MAF reading. I assume Christian was talking about a post-MAF, pre-Turbo leak which would allow air to get in that wasn't measured.

Now a post turbo leak could be interesting... I would think that off boost it would cause you to run lean and on boost it would make you run rich.

That does make much more sense...

[the blue thing]

I am just thinking guys, could it be the fuel pump that caused the problem? I heard that the stock fuel pumps are not consistant.

[Lab Racer]

Other than tuning, what else will reduce EGT's?

Aftermarket Down Pipe with only one cat far from the turbo.
Headers?

Cold air intake vs factory intake?

Is there anything else?