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[Healeys] Question

Subject: [Healeys] Question
From: austin.healey at gmail.com (Chris Dimmock)
Date: Sun, 26 Jun 2011 16:08:32 +1000
References: <2081451521.20384.1309057098598.JavaMail.root@sz0054a.emeryville.ca.mail.comcast.net>
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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