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compression test results

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Old Feb 27, 2008 | 02:12 PM
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sik96teg's Avatar
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From: Albuquerque, N.M., USA
Default compression test results

Well my teg has been burning oil for a long time especially when i get on it. Ive since changed up a few thing due to the first compression test having too many variances between the cylinders so my new numbers are

205 205 205 155
-3----2----4---1

So my number 1 cylinder is 50 psi less than the rest. So my question is would it be point less in having a leak down test done due to there being a 50psi difference or could there still be a chance that its the valves on that one cylinder.
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Old Feb 27, 2008 | 03:20 PM
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redDAinteg's Avatar
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Default Re: compression test results (sik96teg)

You should do a leak down test to see if its coming from the rings or valves.
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Old Feb 27, 2008 | 03:20 PM
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Default Re: compression test results (sik96teg)

propably a bad piston ring, could possibly be a headgasket.

leakdown test cant hurt if you do it yourself, i would never pay to have it done though.
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Old Feb 27, 2008 | 05:47 PM
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Default Re: compression test results (Blahblah718293)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Blahblah718293 &raquo;</TD></TR><TR><TD CLASS="quote">propably a bad piston ring, could possibly be a headgasket.

leakdown test cant hurt if you do it yourself, i would never pay to have it done though.</TD></TR></TABLE>

yea thats the thing i dont have the equipment to do a leak down test so i would have to ask some of my friends if they have an air compressor

also im not getting any oil/coolant mixing, over heating so i dont believe its the headgasket but i am getin oil splater thru my breather on my valve cover and excessive oil thru the breather chamber on the block also my oil pressure is at about 75psi at 3k but i dont think that has anything to play in this
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Old Feb 27, 2008 | 06:53 PM
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Dogginator's Avatar
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Default Re: compression test results (sik96teg)

Add a tsp of oil to cylinder 1 and repeat the test. If the compression jumps significantly, it is your rings. You can also check the valve adjustment. (Do not adjust the valves and add the oil together as that will confuse your result. If you adjust the valves, repeat the compression test first without adding oil.)
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Old Feb 27, 2008 | 06:56 PM
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Default Re: compression test results (Dogginator)

Oil out of the breather can be caused by excessive blowby. A leakdown test should shed some light on the cause.
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Old Feb 27, 2008 | 10:26 PM
  #7  
sik96teg's Avatar
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Default Re: compression test results (JoePSI)

yea I forgot to add the oil til after I put everything back together by that time I was to lazy to do it. I will try to do it after I get home from work.
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Old Feb 29, 2008 | 06:36 AM
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Default

yea i had the same setup as far as the breather on the valve cover and just made a custom system to reattach it in this thread

https://honda-tech.com/zerothread?id=2238026
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