Niels,
It has nothing to do with the oil consumption, but I'd check the gap
on the intake and exhaust valves on #1 cylinder. They sounded different than
the rest. I'd bet one of them is a bit loose.
But, then again I don't always
know what I'm talking about.
Greg
--- On Mon, 7/25/11, Niels Bengaard
<bengaard@850r.dk> wrote:
> From: Niels Bengaard <bengaard@850r.dk>
>
Subject: Re: [Healeys] BJ8 Oil consumption
> To: Healeys@autox.team.net
>
Date: Monday, July 25, 2011, 2:25 PM
> So far thank you all for your quick
>
responses.
> I was lucky to make contact with a member of the danish
> Austin
Healey Club who lives nearby and thursday I will go
> visit him. He will have
a look if the oil spilling is normal
> or not, he will also check if the valve
guides are worn, and
> if there are other problems. It4s so nice that people
are
> willing to help with such short notice.
>
> I haven't tried to run the
engine hot or at higher rpm , so
> I dont know how much spillage that gives.
By reading the
> archives I got the idea that it should only be dripping
>
lightly. I maybe misunderstood that.
>
> The engine doesnt normally drip at
all, it had the improved
> rear seal mounted when it was renovated. I noticed
some oil
> drops from that area after the long run, perhaps 5-10. I
> will
have to follow up on that continues or not.
>
> Regarding breaking in piston
rings, how many miles does it
> take?
> The mileage in San Francisco in 2007
when it was exported
> to Denmark was 33,758.
> The previous owner had the
engine fully renovated because
> of oil pressure problems, and only used it a
few times.
> I bought it in May 2010 with 34,214 miles.
> Today it4s at 35,600
miles.
>
> I changed oil and filter in april 2011 at 34,575 miles.
> 20w50
Castrol Classic.
> July 18. filled up to max with 0.8 litres (0.85
> quarts)
of oil at 35,250 miles
> Today oil at 20% above min, 35,600 miles.
>
> If you
have any more ideas please let me know, and I will
> talk with the club member
i am going to visit. I will return
> with what he concludes.
>
> Niels,
Denmark
>
>
>
> -----Oprindelig meddelelse----- From: BJ8 Healeys
> Sent:
Monday, July 25, 2011 6:17 PM
> To: 'Niels Bengaard'
> Subject: RE: [Healeys]
BJ8 Oil consumption
>
> It appears normal to me, Niels. When I run my engine
> with the valve cover
> off, it doesn't take long for oil to begin spilling
over
> the lip of the
> head. Problems with worn valve rockers and shaft
>
typically manifest as
> spurts of oil from the top of the rockers. Have you
>
tried increasing the
> RPM to see if the oil comes out of the rockers at more
than
> a trickle?
>
> Do you have oil dripping from the lower parts of the
car,
> or are you sure
> the engine is burning oil and not leaking it? I
>
wonder if the new piston
> rings are seated properly?
>
> Steve Byers
>
HBJ8L/36666
> BJ8 Registry
> Havelock, NC USA
>
> -----Original Message-----
> From: healeys-bounces@autox.team.net
>
[mailto:healeys-bounces@autox.team.net]
> On Behalf Of Niels Bengaard
> Sent:
Monday, July 25, 2011 11:28 AM
> To: Healeys@autox.team.net
> Subject:
[Healeys] BJ8 Oil consumption
>
> I have only had the car for a little more
than a year and
> normally I only
> run
> short runs in the car, 20-40 miles,
and havent seen that
> much oil
> consumption,
> but when I ran 350 miles this
weekend at 60-70 Mph, the oil
> level went from
> almost max to 20% above min.
I know the engine has been
> rebuilt with new oil
> pump, a rebore, new
pistons, bearings and hardened valve
> seats before I
> bought
> it, but I
suspect not much was done to the valve train and
> perhaps valve
> guides. I
read on this list archives that excessive oil
> consumption could be
> related
to a worn valve train, if the cylinder compression
> was good and
> there
>
appears to be no blue smoke.
> Can you tell from these videoes, whether the
oil spillage
> from the valve
> train
> can be the cause of a high oil
consumption.
>
> Cold start
>
http://www.youtube.com/watch?v=oFxZrfzMpfQ&feature=youtu.be
>
> Different
views
> http://www.youtube.com/watch?v=AVB4Jit1y3o&feature=youtu.be
>
http://www.youtube.com/watch?v=8U9NwHuwNEI&feature=youtu.be
>
http://www.youtube.com/watch?v=fGaupisTQ6A&feature=youtu.be
>
> Niels
>
Denmark
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