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after compression test

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Old Nov 20, 2006 | 03:08 PM
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slowassciv33's Avatar
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Default after compression test

ok car wouldnt start so i did a compression test and this was teh result
#1-190
#2-150
#3-190
#4-190

i had the car runnin a bunch of times. never smoked never overheated. could sumthin like timing bein off cause this??
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Old Nov 20, 2006 | 03:13 PM
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Default Re: after compression test (slowassciv33)

Check the valve adjustment.
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Old Nov 20, 2006 | 03:23 PM
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Default Re: after compression test (DonF)

ill check that tmrow thanks
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Old Nov 20, 2006 | 05:58 PM
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Default Re: after compression test (slowassciv33)

could timing being off cause this?
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Old Nov 20, 2006 | 06:01 PM
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Default

No, a timing belt slippage would give you numbers all over the place on all four pistons. Bad rings in that cylinder or valve seal did you do a wet test? Pour a little bit of oil in there and see if the compression gose up if it dose you probably have bad piston rings.
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Old Nov 20, 2006 | 06:09 PM
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Default Re: (civic_hatch)

the motor ran fine wit my other b16 head. no smoke or anything
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Old Nov 20, 2006 | 07:42 PM
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Default Re: (civic_hatch)

150 is a concern, but probably not the reason your motor isnt starting. I've started a car on 2 cylinders before.....ran like *** and I had to tach it up, but it started and ran.
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Old Nov 20, 2006 | 07:51 PM
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Default Re: (95 integra)

i been told that the 150 can be because of a vavle lash adjustment is in need
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Old Nov 20, 2006 | 08:25 PM
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Default Re: (slowassciv33)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slowassciv33 &raquo;</TD></TR><TR><TD CLASS="quote">i been told that the 150 can be because of a vavle lash adjustment is in need</TD></TR></TABLE>

Very unlikely....not impossible though. However thats only if you put cams or something in it, being "out" of adjustment isnt going to cause low compression, only if the lash is too tight, which couldnt be caused by normal wear and tear.
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