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Old 29-05-2006, 10:38 PM posted to alt.home.lawn.garden
RB
 
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Default howzit done?

Garden tractor engines have crankcase back pressure, blowby, and/or
crankcase pressure.
Different names, same thing.

How does a mechanic measure crankcase back pressure? Is there a gizmo for
this?



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Old 31-05-2006, 02:26 AM posted to alt.home.lawn.garden
GrtArtiste
 
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Default howzit done?

"How does a mechanic measure crankcase back pressure? Is there a
gizmo for this? "

Ask he http://www.perr.com/forum/

or he www.opeonthenet.com

GrtArtiste

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Old 01-06-2006, 03:47 AM posted to alt.home.lawn.garden
Artemis
 
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Default howzit done?

RB wrote:

Garden tractor engines have crankcase back pressure, blowby, and/or
crankcase pressure.
Different names, same thing.

How does a mechanic measure crankcase back pressure? Is there a gizmo for
this?




Engines run a slight vacuum in the crankcase or they will leak oil from
everywhere. They usually create this vacuum by venting the crankcase to
the intake between the carb and the air filter. I don't know of any
reason or way to measure it. Why do want to do that anyway?

Possibly you are thinking of a leak down tester? to test the rate of
pressure leakage in a cylinder...


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Art
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