Splitting the IM on an '89 100q

[mike mcclurg]

I am tired of the simmering oil smell and getting
ready to replace the valve cover gasket on my '89 100q
and seek some collective wisdom. This car has the NF
engine with an intake manifold that wraps around to
the top of the engine, covering the valve cover, but
contains a horizontal split.

There has been much said about EM and IM studs and
nuts, but I don't remember anything about the bolts
that hold the halves of the IM together on my car. 

I'm thinking that I can just split the top half off
the IM on my NF engine and then remove the valve cover
to do the gasket. Is this right?

In anticipation of this, I tried my 6mm hex key in a
couple of the bolts and was not rewarded with a warm
feeling about their removal. In each case, they were
very reluctant to turn, but finally there was a small
sharp pop with the wrench just barely moving. From
this point, the same amount of pressure will not move
it further and I don't care to try to apply more
torque at this time. If the torque is applied in the
tightening direction, the initial small loosening
motion can be undone. This was all done on a cold
engine.

Is there some trick or magic elixir that must be
applied. I hope these are not the kind of bolts that
you must twist in half and replace? Or, maybe this
split is not meant to be taken advantage of after
manufacturing? What gives?

Thanks,
Mike
'85 4ksq
'89 100q

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