Larry E. Snyder writes >
> The verdict is in. Compression on cylinder #6 on my GT6 is 0. Engine is
> broke.
> I need. Some folks have told me that if I freshen up the head, I should
> also do the rings, but the prospect of pulling the engine does not appeal
> to me at this time. This is all speculation, since I don't know what my
> problem is anyway. If it's a ring or piston, then I'll have to pull the
> engine anyway. If it's a valve, I have the option of redoing the head and
> putting it back on.
You can isolate the problem before taking the car apart. Somehow hook up
an air nose to the cylinder #6 spark plug hole. There is a net.method
from Steve Soar to make your own leakdown tester, but you only need part
of that hardware. Turn the engine so cylinder #6 is at TDC with both the
valves closed. Apply air preassure to the cylinder. You probably won't
need much. Now listen around the car to see where the air is escaping.
Tailpipe: Bad exhaust valve.
Carbs: Bad intake valve.
Radiator: Gurgling in radiator cap indicates bad head, block, or head gasket.
Dipstick: Rings.
Oil Fill: Head, block or head gasket.
> When I take the head in, what do I leave on it?
Everything. At least the places I have been to here in Saint Paul.
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