KA cam to shim clearances--help

[Ken Park]

I have a KA24DE that just got rebuilt and assembled, and now the man who built my motor is in the final step before it goes back in the car. Since the head had new valve guides installed at the machine shop, the cam to shim clearances have most likey changed enough to warrant changing the shims around/and or getting some new ones. The dilemna lies in the fact that the FSM specifies that the motor has to be at operating temperature to measure the clearances. My motor is on a stand and cannot be run obviously. What do we do to get the clearances right on a cold motor, when the specs we have for the cam to shim clearances are for when it is hot?

[pr240sx]

I highly doubt that a valve guide replacement could change the cam to bucket clereance.If in doubt, measure the clereance now and after engine start. compare and adjust acordingly

[nuts510]

what I've done in the past was to set the clearances with the motor coldto and decrease specs giving you for hot motor. tightened up the clearance .002 then after you run the motor for couple hundred miles and then recheck the clearances I have not experienced much change.