[Fot] oil leak

[Scott Janzen]

Jeff, forgot to mention - I get some oil seepage on the driver's left side of the head gasket too, by the pushrods - crankcase pressure.  Am installing bigger vents to address that, as Steve suggested.  Still surprised by the amount of oil you're getting in the can.
  
On Apr 25, 2011, at 4:55 PM, Gt6steve at aol.com wrote:

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 at 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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