<VV> Did it go from bad to worse?

[Shaun]

broken piston ring.
SM
----- Original Message ----- 
From: <ChiefTAM@aol.com>
To: <virtualvairs@skiblack.com>
Sent: Monday, May 10, 2004 6:47 PM
Subject: <VV> Did it go from bad to worse?


> OK all you experts, here is where I am:
>
> I have gone through all the basics.  Moving my car from Iowa to my new
home
> in Texas.  The car developed a miss about 700 miles out in Kansas, not
after a
> fueling, while running,  (69 Monza Convertible, 110hp, 4-speed, just under
> 50,000 miles).  They drive it another 100 miles or so and park for the
night.  I
> get a trailer and go up and get it, don't notice any smoke or miss when I
> start it up, but notice a bit of an off miss when I idle it after I drive
it
> around the block to the garage.  Run a compression check, 150-160 in five
> cylinders, #4 is at 60lbs.
>
> Tonight, after borrowing an air compressor, I put a fitting in #4 and hook
it
> up to the tank.  Air comes RUSHING out of the carburator.  I thought that
the
> cylinder was at TDC, but when I wiggled the rockers, one was a little
tighter
> than the other.  SO, I proceeded to loosen both of the rocker arm nuts, so
> that both springs had no pressure on them and should be at the top, with
valves
> closed.  (right?)
>
> I put it back on the compressor tank, heard no air from the exhaust
system,
> no air from the carburator now, but when I take off the oil filler cap, I
hear
> air coming from that.
>
> SO, what does that mean.  I assume from previous posts that air from the
> carburator is a dropped valve seat, and that air from the exhaust is a
burnt
> valve.  Is that right?  So, air from the oil filler means what?  Hole in
piston or
> broken piston rings?  Could it be anything else?  Head gasket?
>
> What say you experts?  Am I really up the creek now?
>
> I guess it is time to take the head off now.....
>
> Todd Miller
> Dallas
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