[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 

>----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 
>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 
>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 
>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 
>a motion like he was holding his nose).....Hope all's well...Tom
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