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Excessive blowby? #2133008 08/14/16 10:18 PM 08/14/16 10:18 PM
Joined: Jun 2010 Posts: 311 Colorado Springs, Colorado Dartthunder340 OP enthusiast
Dartthunder340 OP enthusiast Joined: Jun 2010 Posts: 311 Colorado Springs, Colorado	Took my car to the track this weekend after a two year break. Seems to have leakage out of the valve cover breathers and I don't remember so much of that before. What is considered excessive? Thanks! Better get inside Ma. Looks like a storm's comin'.

Re: Excessive blowby? [Re: Dartthunder340] #2133012 08/14/16 10:22 PM 08/14/16 10:22 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Do a leak down and see what your percentage is

Re: Excessive blowby? [Re: Dartthunder340] #2133055 08/14/16 10:55 PM 08/14/16 10:55 PM
Joined: Jun 2010 Posts: 311 Colorado Springs, Colorado Dartthunder340 OP enthusiast
Dartthunder340 OP enthusiast Joined: Jun 2010 Posts: 311 Colorado Springs, Colorado	Haha! Mike, now that's common sense! Thanks! Better get inside Ma. Looks like a storm's comin'.

Re: Excessive blowby? [Re: Dartthunder340] #2133060 08/14/16 10:57 PM 08/14/16 10:57 PM
Joined: Oct 2010 Posts: 2,407 Ambridge, Pa. R rickraw top fuel
rickraw top fuel R Joined: Oct 2010 Posts: 2,407 Ambridge, Pa.	Depending on rings. I have total seals, 3% leakage. I don't like anything over 10% with standard rings, but that's me.

Re: Excessive blowby? [Re: rickraw] #2133093 08/14/16 11:26 PM 08/14/16 11:26 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	I had 3% for a long time on my 405ci.. I changed out the rings when I hit 7% but really didnt need to

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