RE: IML: Oil usage theories

["Michael O. Mann" <mann340s@xxxxxxxxxxxxx>]

Burt,

I had to replace the seals on an 89 Suburban a few years ago, and found a
brass fitting that I could use in the spark plug hole to pressurize the
cylinder.

PLEASE NOTE: It also can push the piston low enough in the cylinder that
when pressure is released, the valve can drop through.  That's never good.

I spent some time considering all the worry with clearance between piston
and valve at TDC when things go wrong.  If the valve is within a mm or so of
the piston, where can it go?  So I used a special tool (number 2 lead,
eraser end down) to ensure I had close to top dead center, and quit worrying
about the valves getting away.  For me it was much easier than trying to
keep the engine pressurized.  I had no problems with remaining seals.

The valve spring compressor is one of the most underpriced tools available.
Buy or rent a good one if you do the seals.

Good luck.

Michael


___________________________________________
I need to replace the valve seals on my 1968 Dodge Charger (383 "B" engine)
but I haven't had the nerve to try either technique. Have any of the
Imperial Club members had success with these techniques - or any other
tricks that I don't know about.?



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