Bill Putney > writes:

> Joe Pfeiffer wrote:
>> Bill Putney > writes:
>>
>>> Joe Pfeiffer wrote:
>>>
>>>> ...-- my daughter's Neon, with a
>>>> 4, passed a compression test after breaking a timing belt, but burned a
>>>> hell of a lot of oil ever after...
>>> Strange. Do you have any idea why that would be? I'm having trouble
>>> thinking of the connection between the timing belt failure and burning
>>> oil. Not doubting - just trying to visualize. I guess it is possible
>>> that the two just happened to start occurring around the same time.
>>
>> My guess was valve guides -- lots of blue right after startup.
>
> But can you figure out a connection to the timing belt breaking? I can't.

My guess was shock from light contact between piston and valves. Enough
to damage stems/guides, but not enough to fail a compression test, is a
stretch I'll grant you...