[Healeys] Question

[Chris Dimmock]

Worn valve guides??

Sent from my iPhone

On 26/06/2011, at 12:58 PM, Bob Spidell <bspidell at comcast.net> wrote:

> After bragging about our 100M's compression numbers I have a  
> concern. We seem to be getting a lot of pulsed pressure in the valve  
> cover, as felt at the oil filler hole. There is very little pressure  
> at the end of the road draft tube. Given we have good compression,  
> so, theoretically shouldn't have a lot of blow-by, what could cause  
> pressure in the valve cover? The engine was totally rebuilt, and I  
> believe we cleaned out the road draft tube but don't remember for  
> sure (we were otherwise pretty careful).
>
> All hints, ideas, even knowledge welcome.
>
> TIA,
> Bob
>
> --------------------------------
> Bob Spidell - San Jose, CA
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