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Did a compression test.... what is the problem for my numbers?

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Old 07-09-2006, 10:05 PM
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Default Did a compression test.... what is the problem for my numbers?

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Modified by H.A.R.T B18C1EG6 at 7:04 PM 7/10/2006
Old 07-09-2006, 10:14 PM
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Default Re: Did a compression test.... what is the problem for my numbers? (H.A.R.T B18C1EG6)

any smoking or burning oil? Looks like you got messed up pistons.
Old 07-09-2006, 10:25 PM
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Default Re: Did a compression test.... what is the problem for my numbers? (H.A.R.T B18C1EG6)

what kinda smoke?
Old 07-09-2006, 10:35 PM
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Default Re: Did a compression test.... what is the problem for my numbers? (H.A.R.T B18C1EG6)

i can almost bet its oil smoke. Lots of times it will look white, but actualy has a bluish tint. I've blown headgaskets before and never noticed compression loss. Also if you had a blown headgasket it would probably be 2 adjacent cylinders with low psi.
Old 07-09-2006, 10:55 PM
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Default Re: Did a compression test.... what is the problem for my numbers? (H.A.R.T B18C1EG6)

180 is what i get with 9:1 compression
Old 07-09-2006, 11:00 PM
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Default Re: Did a compression test.... what is the problem for my numbers? (H.A.R.T B18C1EG6)

do a leakdown
it will give you a better clue on what it is
Old 07-10-2006, 07:53 AM
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Default Re: Did a compression test.... what is the problem for my numbers? (SOHC_MShue)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SOHC_MShue &raquo;</TD></TR><TR><TD CLASS="quote">i can almost bet its oil smoke. Lots of times it will look white, but actualy has a bluish tint. I've blown headgaskets before and never noticed compression loss. Also if you had a blown headgasket it would probably be 2 adjacent cylinders with low psi.</TD></TR></TABLE>

Yeah I've never seen an engine loose compression with a blown headgasket either.
Old 07-10-2006, 08:22 AM
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Default Re: Did a compression test.... what is the problem for my numbers? (komat)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by komat &raquo;</TD></TR><TR><TD CLASS="quote">180 is what i get with 9:1 compression</TD></TR></TABLE>

Im at 190-195 with a 8.8:1. The problem could be anything, do a leakdown test to better determine whats going on.
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