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need a quick opinion.. does it look like my boost leak is gone?

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Old 02-13-2005, 12:55 PM
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Default need a quick opinion.. does it look like my boost leak is gone?

Here's the first log after installing RS4 ICs. I didn't leak test yet because I used the test fitting hose clamps on my IC hoses. BTW, the largest RPM peak is 3rd gear.
<img src="http://dave-new.com/S4/stage3/logs/93_oct_feb_13/block115_2-131.gif"><ul><li><a href="http://dave-new.com/S4/stage3/logs/93_oct_feb_13/">folder with log data file</a></li></ul>
Old 02-13-2005, 01:00 PM
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can u do just a 3rd gear pull from 2500 to 6000
Old 02-13-2005, 01:19 PM
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Default how's this?

Taken from the same file. The actual boost line looks pretty choppy.
<img src="http://dave-new.com/S4/stage3/logs/93_oct_feb_13/boost_feb13_mbar1.gif">
Old 02-13-2005, 01:22 PM
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Lines are better, but everything seems fine.
Old 02-13-2005, 01:28 PM
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Default Ahh, thanks. Now I can run down and get some 100oct!

I wondered why the initial actual spike doesn't overshoot requested?
Old 02-13-2005, 01:32 PM
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Default Make a line graph with proper scaling of the axis and I'll look at it more carefully.

Your graphs are too complex for my feeble mind ;p
Old 02-13-2005, 01:44 PM
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Default line graph

<center><img src="http://pictureposter.audiworld.com/82606/davenew_115.jpg"></center><p>
Old 02-13-2005, 01:51 PM
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Default Anther of only 3rd gear data

<center><img src="http://pictureposter.audiworld.com/82606/davenew_115-3rd.jpg"></center><p>
Old 02-13-2005, 01:54 PM
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Boost looks okay. It would be nicer without the dip, though ;-)
Old 02-13-2005, 02:01 PM
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Default you mean the act boost between t = 17 and 18?

is that characteristic of throttle cut?


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