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View Full Version : Whats new with Teh Gheyrod...

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Kracka
03-03-2009, 07:26 PM
I dont see how that can possibly make sense.

MAF temps are above ambient due to engine bay heat. Once the car starts flowing air you'll notice the MAF temps drop drastically as its pulling in cooler, fresh, air.
Super Bleeder!!
03-03-2009, 07:43 PM
Hmmmm maybe. Yea the stagnant air is going to get ingested and replaced with cooler air but the engine is going to be pumping more heat into the bay as well throughout the pull.

Something about this temp data erks me the wrong way. The sensors arent even from the same manufacturer are they? How does the manifold sensor calibrate?
scheides
03-03-2009, 08:07 PM
The manifold temp sensor is a GM IAT, mounted the the top of the intake manifold plenum, next to the map sensor. The other sensor is in the oem MAF. This has been discussed to death on evoM, and its what we all see. Part of the issue is the sensors (MAT) themselves becoming heat-soaked, but once air starts rushing through them they cool down. The important data is near the end of the pull, if temps rise or stay flat. This is a pretty good example of staying quite flat, esp considering its just on the dyno not on the street where there's a LOT more air coming through the engine bay.

If you think this is fuct up, wait till you see what my car does with the alky spraying ;)
Kracka
03-03-2009, 08:48 PM
Something about this temp data erks me the wrong way. The sensors arent even from the same manufacturer are they? How does the manifold sensor calibrate?
When the car is cold (been sitting overnight for example), the sensor readings are equal.
Shane@DBPerformance
03-03-2009, 08:52 PM
I think if we had an Audi dyno day fan setup, then the intake manifold temps might be lower than the MAF temps.
Kracka
03-03-2009, 08:56 PM
I think if we had an Audi dyno day fan setup, then the intake manifold temps might be lower than the MAF temps.
I don't need the Audi fan setup, my manifold temps are already lower than temps at the MAF ;) Manifold temp is the purple line and MAF temp is the blue line.

I'd really like to get a temp sensor to log ambient temps too; I might have to look into if that's possible.
Kracka
03-22-2009, 04:38 PM
Gheyrod got its spring waxing and door/hood/trunk seal greasing today! Tempted to put the summer floor mats in too.
Kevin 1G Drummer
03-22-2009, 11:48 PM
I'd wait on the floor mats. I heard we're supposed to get snow this week.
Kracka
03-27-2009, 06:37 PM
Carbing Lower Arm Bar....sweeeeeeeeeeeeeeet :)

http://www.dsmstyle.com/photopost/data/547/IMGP1305.JPG
123abc
03-27-2009, 06:41 PM
Where does that mount?