<VV> Ring wear> compression test

[BBRT]

A related question.  Is there any evidence that a horizontal engine gets 
more wear on rings on the down side of the cylinder? Perhaps due to 
corrosion of fuel or? sitting on bottom side of cylinder? VWs? Porsche's?

Chuck S
----- Original Message ----- 
From: "Richard Widman" <richard at widman.biz>

> Agree on hot or at least warm, and the carbs.  The engine should be turned
> over at least 6 times to get a full reading.  Then compare cylinders.
> But...  Then, if any are low, add a squirt of a teaspoon or so of oil into
> the cylinder to see whether it is the rings or the valves that are causing
> the lower reading (harder to see on a horizontal engine).  If the reading
> goes up, problem is rings, stays the same, its valves.
> The snapon site has the whole procedure.
> Richard Widman
>
> <http://www.widman.biz> www.widman.biz