W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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Q? For people who datalog

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Old 09-29-2011, 09:57 AM
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Q? For people who datalog

A question for people who datalog their cars.

During normal easy commute, do the AIT fluctuate much?

I know as much as I mess with my car I need to man up and get a real datalog equipment for my car. I am testing something right now. This morning commute my ait was a steady 70 degree with the exception of stopping at a stop light where the ait creeped up to 78. Just wondering if I'm in the right direction with this? Oh yeah, out side temp is a breezy 57. The whole commute was about 15 min with speed under 50mph.
Old 09-29-2011, 01:17 PM
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Sounds about right. Iat's in city stop n go traffic aren't the best. When you come to a stop they will go up.
Old 09-29-2011, 01:21 PM
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10 to 15 over ambient seems fine.
Old 09-29-2011, 02:09 PM
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Sounds good to me. I envy your ambient temps...today it's 93 here.
Old 09-29-2011, 02:19 PM
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I am usually about 15-20 over ambient.. But I only have an upgraded pump. Need to get an upgraded HE soon
Old 09-29-2011, 02:47 PM
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n00b question -


What do you guys use for your data logging?
Old 09-29-2011, 02:52 PM
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Originally Posted by Forrest Gump 9
A question for people who datalog their cars.

During normal easy commute, do the AIT fluctuate much?

I know as much as I mess with my car I need to man up and get a real datalog equipment for my car. I am testing something right now. This morning commute my ait was a steady 70 degree with the exception of stopping at a stop light where the ait creeped up to 78. Just wondering if I'm in the right direction with this? Oh yeah, out side temp is a breezy 57. The whole commute was about 15 min with speed under 50mph.
You seem to be consistent with me. With my current set up (no trunk tank reservoir yet), my IATs in town fluctuate between 10 to 20 over ambient. They are a steady 10 to 12 over ambient at highway speeds.

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Old 09-29-2011, 04:39 PM
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Thanks for the replies.

The main thing I want to know is, is it normal for the ait to stay 70 degree the whole time?
Old 09-29-2011, 05:06 PM
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Originally Posted by Forrest Gump 9
Thanks for the replies.

The main thing I want to know is, is it normal for the ait to stay 70 degree the whole time?
They should fluctuate, if you are in stop and go city driving. Even driving on the hwy, you should see some change.
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Old 09-29-2011, 06:04 PM
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Originally Posted by justinwrock
n00b question -


What do you guys use for your data logging?
I just picked up a Zeitronix ZT2 with a DashDaq, MAP and IAT sensor; haven't installed yet. Want to pick up an EGT sensor as well as a second ZT-3 for the other bank. From what I have read quite a few here like it.

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