Valve cover..Good point...if it's coming from the valve cover, and you're
filling your catch tank, check to see that the set screw that fits into the
rocker pedestal has not come out...that will fill your valve cover with oil,
while not feeding oil through the rocker.
RB
----- Original Message -----
From: <Gt6steve@aol.com>
To: <jsclark@live.ca>; <fot@autox.team.net>
Sent: Monday, April 25, 2011 1:55 PM
Subject: Re: [Fot] oil leak
> Two issues I read here. You developed a leak at the head gasket left
> side. Front or rear? Are you sure or is it just a valve cover leak?
>
> You blew by into the catch can. Not uncommon. Did you get happy with
> the
> RPM? Where is your crankcase vented? Sock little 1/2" connection?
> Anywhere else?
>
> If you start getting the revs up you need a lot more ventilation than that
> stock hole. I run a 1" hose off of the valve cover and still pump some
> oil
> sometimes at the high end. Do you have the auxilary feed to the rockers?
> Stock or roller? Who's rollers? Is the aux feed plugged to a tiny
> orifice?
>
> Lot's of details here to make this lump of iron work......
>
>
> In a message dated 4/25/2011 12:58:52 P.M. Pacific Daylight Time,
> jsclark@live.ca writes:
>
> Friends, I need some advice.
> 71 GT6 6 cyl vintage race car . At present running triple 40 mm Webers.
> After
> two races last year and one test day last Friday on a rebuilt engine, we
> have
> developed an oil leak at the head gasket on the left side of the engine.
> After the test day I noticed the 1 qt filtered oil catch can plumbed from
> rocker cover was full, indicating blow by ? Should I install a new head
> gasket? more crank case ventilation? build another motor?
> Thanks
> Jeff Clark
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