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timspu's Avatar
 
Join Date: Jul 2012
Location: Devon. UK
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Mass Airflow meter to clean or not to clean ?

I currently have the intercooler off and the Blow off valve housing to replace the BOV seals. Whilst this is removed is it worth seperating the mass airflow meter to give it a clean? The fuel head was overhauled 6 months ago. Could i cause more issues than benefits taking this apart to clean.


Thanks
TIM
Old 02-01-2014, 01:07 PM
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Hirevtuner's Avatar
 
Join Date: Oct 2007
Location: Calgary
Posts: 364
Hey Tim,
With these my experience is if it works leave it alone. Lots of guys start spraying carb cleaner in and cause more problems. If it's not working right then yes start digging in.
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1981 411 rwhp, Ruf intercooler, 964 cams, Turbo Kraft injector blocks, Extrude honed intake, 7006 Turbo, Tial wastegate, RarlyL8 exhaust, MSD6al
Old 02-01-2014, 01:24 PM
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Words of wisdom.
Thank you. I shall leave it alone.

Cheers

TIM
Old 02-01-2014, 01:29 PM
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Join Date: Jun 2001
Location: Sweden
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[nitpicking on]
If it's K-Jet then it isn't really a Mass Airflow meter...it doesn't care about mass, only airflow.
It cannot compensate for hotter/colder air. It's just a flapper in the airflow. You would need a hot wire sensor or a MAT-probe in order to measure true mass flow.
[/nitpicking off]
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Old 02-02-2014, 12:29 PM
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Join Date: Jul 2001
Location: Suntree, Florida, USA
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There is a seal and an oring that are hard to come by if you do decide to take it apart. Flat paper seal under the mixture screw and oring on the metering head. They are still available but may set you back a little more time than you planned on.
Old 02-02-2014, 05:42 PM
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