Both (pulsing pressure).
Bob
--------------------------------
Bob Spidell - San Jose, CA
----- Original Message -----
From: "Austin Healey" <pajtamuvek at gmail.com>
To: "Bob Spidell" <bspidell at comcast.net>
Cc: "Chris Dimmock" <austin.healey at gmail.com>, "healeys" <healeys at
autox.team.net>
Sent: Sunday, June 26, 2011 7:47:58 AM
Subject: Re: [Healeys] Question
Do You have pressure or only pulsing air?
Gergo
2011/6/26 Bob Spidell < bspidell at comcast.net >
That was our first thought, too. But the head was rebuilt by an extremely
meticulous mechanic (a New Zealander living in Modesto, CA) so although it's
possible it's not probable.
Trying to figure out if/how installing a rear main seal could cause this.
Bob
--------------------------------
Bob Spidell - San Jose, CA
----- Original Message -----
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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