[Healeys] Smell

[Oudesluys]

Blue smoke during changing gears usually means worn valve stems/guides. 
Not really a lot of oil is burnt. When the butterfly valves of the carbs 
close during changing gears you draw a vacuum in the inlet manifold, 
which will draw in a bit of oil along the valve stems.
Kees Oudesluijs
NL

Bob Spidell schreef:
> Interesting (to me, at least), is that my oil consumption--which is 
> mostly from leaking through the rear main 'seal'--is much less on a 
> long trip; i.e. driving mostly long highway legs.  Around town and on 
> short trips with lots of stops I use (leak) about a quart every 1,000 
> miles, on trips with long highway legs I use a quart every 2,000 miles 
> give or take.  I attribute this to the scroll seal and'slinger' 
> working well as long as you're driving fast and steady, but not so 
> well at slow speeds with lots of stops.
>
> Also, my oil consumption--and the blue smoke out the tailpipes when 
> shifting--diminished after I installed a PCV valve.  I think the valve 
> pulls a slight vacuum in the sump--there's no vent on the valve cover 
> and I sealed up some leaks--so oil doesn't get blown past the scroll seal.
>
>
> bs