I really appreciate the help I have received for everyone.  
ThaNK's again.  Larry

Larry

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If I set the timing marks at the 3 o'clock position the keys are set 3'oclock for the crank, 5 o'clock for the cam.  Is this correct?




Larry

The dots on the crank and cam gears are at the 3 o'clock position as  you are looking at them from the front of  the engine.  Twelve pins between the dots is correct.  You may have to tweak ;one of the gears slightly  to  get both keys to align with their keyways.

John - "The Hoosier Hurricane"

It has been a long time since I have set valve timing on a Yblock.
 I am aware of counting the 12 pins on the chain to set the timing.  I set #1 valves to TDC and checked #6 at TDC. But having trouble setting the gears.  Are the cam and the crank keys ways set at the 3 clock position looking from the front of the engine?  Or is there another way to set the keyways on the cam and crank? 
Any help would be appreciated.  Thanks

Larry