On Thu, 8 Jan 1998, Joe Curry wrote:
> > Have a 79 Spitter with 33k on clock converted to weber downdraft and
> > header. Removed air pump and egr. Have a problem with oil seeping from
> > dipstick tube. Engine has new pan gasket and plumbing from the valve cover
> > breather to carb and canister (T'd to carb air cleaner breather element).
> > Can't seem to stop the leak and its smelling up the place when it gets on
> > the header. Anyone have an idea or similar experience? i could use a
> > little help on this one. The car runs great otherwise.
>
> I don't know what removing the air pump will do, but I can remember that when
> my brother did that to his '68 Camaro way back when....., It would blow all
>the
> oil out of it because of excess pressure building up in the crankcase. It
> seems that when GM went to the Emissions control System in '68, they sealed up
> the hole in the back of the engine where the Blow-by pipe was fitted. WIthout
> the pump, there was no way to vent the crankcase properly.
What about the PCV valve? Is there one? If it's keeping too much
pressure in the crankcase, maybe a different one should be substituted.
-Malcolm
'62 TR4, built when crankcase ventilation meant a hole in crankcase
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