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RE: [T3] Valve stem seals ?

On Sat, 2006-05-06 at 22:39, Jim Adney wrote:
> On 6 May 2006 at 20:19, Keith Park wrote:
> > Ive been told in the past that our rocker areas fill at least half full with
> > oil at speed on the highway, suggesting that oil could easily get sucked
> > into the intake guides and have no problem oiling the exaust guides.
> > Is it true that the heads fill with oil?
> Berg makes this claim, but I'm skeptical. In the first place, that 
> would leave the sump almost empty, and in the second place it would 
> require compressing the air in the rocker box to double atmospheric 
> pressure (except on 72-3 engines with the rocker box vents.)
> It MIGHT be possible if you had vented rocker boxes, but otherwise I 
> doubt if it happens.

This I agree with Jim on.
That would mean about 1 quart of oil in each valve cover, which would
leave only about 3/4 quart in the sump. The oil pickup is higher than
that in the sump.

> > One thing that my Squares engine has done at intervals over its lifespan of
> > 100Kmi so far is to FOG THE TOWN on deceleration!  At its worse when Ive
> > been at speed on the highway for a while... I mean I would turn the sky in
> > your rear view mirror blue on a cloudy day!
> > 
> > Lately it has stopped doing that again, hopefully for a while.
> I've seen that happen on early FI cars with the blue nylon "scrubber" 
> in the breather box, but only on days below freezing, when the 
> scrubber could freeze up with combustion moisture and prevent the 
> engine from breathing.
> Do you have the 72-3 rocker box vents?
Russ Wolfe
'71 FB AT
'66 FB MT
'64 T34 (not running)
'65 T1 (not running)
'05 KIA Sorento SUV

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