Ok, I got so disgusted with this, I cleaned up the oil off the garage
floor, closed the bonnet, threw a cover over it, and hardly stepped foot
into the garage until today. So now over a month has passed, I guess I
need to figure out wtf is going on.
I'm no mechanic, most of you have probably forgotten more about engines
then I'll ever know... Based upon the huge amount of smoke (blow-by?)
coming out of the crankcase vent and my basic understanding, I'm
prepared for the worst.
So I guess the compression test / leak-down test is indicated. I have
performed compression tests before, and have the gauge & fittings, so
I'm ok with the basic mechanics of the process. Have never done a
leak-down test however. Can someone kindly give me the quick & dirty on
what I need to do / look for?
Marc
Marc wrote:
> I got the midget started up and backed out of the garage today. Tweaked
> the carbs a little, still not ready for a good shake out run.
>
> Went into the garage for a screw driver and noticed a pretty good oil
> puddle where the midget had been sitting. Closer look at the engine, I
> see a little oil seepage at the valve cover hold down nut, and oil
> seeping from the dip stick. I know this can't be good.
>
> Never seen this car run much, was a project when I got it. There was a
> lot of vapor coming from the hose on the timing cover - I plumbed that
> to a T fitting and ran it to the SU's. I never saw that much vapor from
> any of my mgb's, but this is my first midget (73, 1275) so have no idea
> whats normal. The valve cover vent has a hose hanging to the underside
> like a road draft tube. There is a small amount of vapor coming from
> that as well.
>
> Obviously there is unwanted pressure in the engine block, but why? This
> engine has had some kind of work in the past, the head is a different
> color from the block. Although a little hard to start (haven't replaced
> points, wires, plugs or tuned the carbs I just installed) one started it
> runs and idles very smoothly.
>
> What do I do / look for? Car was desmogged when I got it...
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