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Old 04-03-2013, 10:45 AM
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ProStreetCamaro ProStreetCamaro is offline
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Join Date: Apr 2004
Location: Gaithersburg Maryland
Posts: 3,834
Originally Posted by piston slapper View Post
Need model and spec #...
It may have been assembled with the old style head gaskets that were notorious for leaking between the oil drainback hole in the gasket and the cylinder..
Possibly a broken reed valve...but it would be using a lot of oil..

This is my exact thoughts as well the head gaskets. My 25hp did the same exact thing. I replaced them with the new style head gasket and no problem since.

Here you can see where mine was leaking

2013 Gravely 460Z 29EFI
2011 Gravely 36GR
2008 Gravely 160Z
2004 Gravely 34Z
1998 Lazer Z HP 48 (old faithful)
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