[V8] Compression test numbers

ville.hiivola at suomi24.fi ville.hiivola at suomi24.fi
Mon Sep 21 00:24:49 PDT 2009


The numbers for 4.2 are 131-203. Wear limit the same 109. Your 
compressions have so little difference, that they seem good to me. The 
manual states that oil consumption on these engines is normal up to 
1l/1000km.

>----Alkuperäinen viesti----
>Lähettäjä: toml99 at todomundo.com
>Päivämäärä: 21.09.2009 7:31
>Vastaanottaja: "v8audi"<v8 at audifans.com>
>Aihe: [V8] Compression test numbers
>
>Hey, well I finally got around to doing the compression test on the  
>93 Pearl as I'm thinking of selling it.  It consumes a bit of oil,  
>and when you jump on it, can smoke quite a bit....then other times 
it  
>seems fine.  All 8 plugs look healthy.  The numbers are  
>125/130/125/130/125/125/130/125 with no change when I put some oil 
in  
>the cylinder.  My book for the 3.6 shows 145-189 new, wear limit  
>109.  Just wondering if the 4.2 is the same?.  There's a small weep  
>of oil underneath, but nothing that actually hits the ground.   
>Wondering if anyone can concieve of anywhere the oil could get 
right  
>into the exhaust manifold, as the plugs look way too nice to be  
>burning the amount of oil it's burned on a few occasions.  Could it  
>be sucking it right out of the exhaust guides at full throttle into  
>the manifold?  Didn't go thru as much oil when the girlfriend was  
>driving it.  Idles perfect and quieter than the other 2 cars, and  
>get's up and goes on the highway(except the motorcycle behind me 
made  
>a motion like he was holding his nose).....Hope all's well...Tom
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