I don't think that compression is your problem. Those numbers are not
that low......
Perhaps you are burning the oil from loos bvalve guides or bad valve
seals.........
Randy Kegg
On Tue, 01 Oct 1996 10:25:52 -0700 Lewis Dove <ldove@macomb.com> writes:
>Hi again,
> Thanks for help on my starter problem. I sprayed the starter drive
>with WD-40 and the noise went away - - at least for now. I have a
>good
>idea of what to look for if the problem recurs and is more serious.
> Now for something new: I am planning a 3000+ mile trip later this
>month
>and have been having really bad oil loss problems. I found a leak in
>the
>oil hoses and replaced them along with the oil cooler. I still
>lose/consume oil, so I checked the engine compression, warming the
>engine, pulling the plugs, blocking the throttle open, etc. Here is
>what
>I found, before and after squirting oil into the cylinders:
>cylinder # compression (psi)before oil compression after oil
> 1 124 133
> 2 132 135
> 3 127 131
> 4 133 137
>the plugs in cylinders 2 and 3 are a nice clean tan; the plugs in the
>cylinders 1 and 4 are sooty and black. My conclusions are:
>All the pressures are low, but perhaps I have a bad gauge
>The rings are not sealing properly and are probably worn
>Nigel is a '65 MGB with a US spec. engine
> What do you think? I haven't driven it long enough following the
>oil
>lines and cooler replacement to know about oil loss/consumption now.
>Would you trust it for a 3500 mile trip?
> Anxiously,
> Lew Dove
>
|