did a compression test on my 1.8zvh escort and the results are:

cylinder 1: 9.0
cylinder 2: 10.2
cylinder 3: 10.5
cylinder 4: just under 11

Whats the story here are my piston rings ok or fucked?
Or is it the turbo?
Its burning oil on acceleration and the head is only just fully rebuilt(it was also smoking before i fitted the head but i thought it was the head causing the smoke)

 

Mine smoked mate after fitting a new turbo and valve stem seals and cam kit,

Now rebuilding my bottom end and the rings on number 1 were fooked!.
Hence the smoke!, had done 140k though!

 

I would say each cylinder should be running at 150psi. Seems that number 1 is low. How many miles has the engine done and when the head was of did you check the condition of the cylinder walls for any scuff marks.

 

if all cylinders r above 140 psi then u got good compression if under then ur in trouble

 

The actual value depends a lot on the cam used and its timing. However everytime the values are deviating from each other by more than 0.5bar (7-8 psi) I'd get worried.

 

As Jesse says above id likely think you have a problem on No.1 especially... it would appear that either the rings are knackers or the bore have been ovaled sufficently to allow pressure to escape down the side of the piston/ring