compression results
Apr 28, 2010 | 07:55 AM
Thread Starter
Joined: Jul 2009
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From: my garage - essex
compression results
what should a compression test on a classic read please as im doing mine this weekend and want to no wat is good and bad thanks in advance
Apr 28, 2010 | 10:21 AM
Joined: Oct 2007
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From: Portsmouth
Should be even readings across all 4 + or - 10%
Apr 28, 2010 | 10:24 AM
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From: in a house
mine were 134. 137. 137 140.
Apr 28, 2010 | 11:28 AM
Joined: Apr 2003
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From: South Bucks
STIs have lower compression ratio to WRXs... I think...
WRX - 8.5:1
STI - 8.0:1
I know the later UK/Euro classic cars had 8.5:1 later on but I'm a bit hazy on earlier stuff.
Apr 28, 2010 | 11:43 AM
Joined: Jan 2001
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From: Jedi
mine was done last year and was:-
Apr 28, 2010 | 12:45 PM
Joined: Jun 2008
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I checked mine a good while ago too and it was 145 on each of them, ( impreza sti type r)
Apr 28, 2010 | 12:49 PM
Joined: Sep 2004
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From: Notts
as long as there all about the same then its fine, unless there way way down of course.
Apr 28, 2010 | 06:03 PM
Joined: Mar 2009
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From: in a house
what is classed as way down? and what are the figures supposed to be like? ie 145 for sti 155 for wrx? anyone know
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compression results
