The shims are there to correct the valvetrain
geometry, that is where the rocker arm contacts the
valve.
This is necesisary to compensate for differences in
deck height between the cylinders.  Essentially,
what's required is after you have established the
correct deck height of the cylinders, and the cases
and heads are torqued, you run the adjustment screw
about halfway through the rocker (or whatever
dimension is called out in the overhaul manual),
install and torque the rocker arms and then check to
see where the rocker arm pad contacts  on the top of
the valve.  The contact point should be in the center
of the valve.  Shim the rocker stand as required  or
"adjust" the pushrod length to obtain the best contact
region on all of the valves on that head. Repeat the
process on the opposite head.
--- bgd...@vvm.com wrote:
  My question, when I took the thing
> apart there were
> shims under the rockers.  What is the proper way to
> shim the rockers? 
> Are they there just so you can get the proper valve
> adjustment screw
> engagement?  or should I just put it togeather and
> see how the valves
> adjust, then shim if I have a problem?


> 
> 
> 
> _______________________________________________
> see KRnet list details at
http://www.krnet.org/instructions.html


=====
Scott Cable
KR-2S # 735
Wright City, MO
s2cab...@yahoo.com

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