Compression

[Ado Sigal]

tihol tiholov wrote:

>1988 90 Q NG, 271K km - smoked when cold, so measured the compression.
>Cyl. 1,3 and 5 were @ 170, 2 and 4 - 155 or so.  A year ago all were
>around 150.
>Is this a sign of oil getting into the cylinders?  As from the head,
>valve seals?
>When warm it didn't smoke, just seemed to run rich.  Thought this 170 is
>a bit excessive.
>
>Another comp measure on an 1988 MC showed one cyl. @ 95, the rest @ 115
>or so.  Is this within ball park?
>
>TIA,
>Tihol
>
>
>  
>
Time to do carbon cleanup and the head job I'm afraid.

Ado