1997 compression?
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From: New Sharon, Iowa, United States
1997 compression?
I just checked the compression on my 97' Civic LX: Cylinder/Reading=1/132-2/129-3/134-4/131. I was wondering what the normal readings should be. The car has 229,000 miles on it and has been feeling sluggish.
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From: Goodluck Finding Me
Re: 1997 compression? (jds_06)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jds_06 »</TD></TR><TR><TD CLASS="quote">I just checked the compression on my 97' Civic LX: Cylinder/Reading=1/132-2/129-3/134-4/131. I was wondering what the normal readings should be. The car has 229,000 miles on it and has been feeling sluggish.</TD></TR></TABLE>
They're all pretty even so that's a good thing. The numbers are kind of low, but with the amount of miles on the motor it doesnt surprise me.
They're all pretty even so that's a good thing. The numbers are kind of low, but with the amount of miles on the motor it doesnt surprise me.
Joined: Mar 2004
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From: Granbury, TX, United States
Re: 1997 compression? (jds_06)
I did the compression check on my d16y7 and all of the cylinders were around 170 with a difference of around 2 psi between cylinders. According to the manual, 180 is the standard and the minimum is around 130-135psi with a difference between cylinders allowed of 28psi.
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From: The Hudson
Re: 1997 compression? (95strfytr)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 95strfytr »</TD></TR><TR><TD CLASS="quote">plugs were out? I didn't do it at wot. How will that affect the readings?</TD></TR></TABLE>
Yup:
https://honda-tech.com/zerothread?id=1083730
I went from 150 to 210 by testing at WOT
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 95strfytr »</TD></TR><TR><TD CLASS="quote">How do you know if the head gasket is bad if the compression is good?
</TD></TR></TABLE>
Well, oil and coolant mixing is a sure sign, as well as white smoke all the time. You could also do a leakdown test.
Yup:
https://honda-tech.com/zerothread?id=1083730
I went from 150 to 210 by testing at WOT
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 95strfytr »</TD></TR><TR><TD CLASS="quote">How do you know if the head gasket is bad if the compression is good?
</TD></TR></TABLE>
Well, oil and coolant mixing is a sure sign, as well as white smoke all the time. You could also do a leakdown test.
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m0t0rhead
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Feb 11, 2004 06:37 AM
