timing chains (was crankshaft pulley removal)

[FMags2@domain.elided]

In a message dated 6/19/99 6:41:40 PM Central Daylight Time, 
MikeWattam@domain.elided writes:

<< Yes, shims are available in .004" (145275) and .006" (145276) from Rimmer
 Bros, but you should not really need them unless renewing the crankshaft
 chainwheels.
  >>

Thanks, Mike.  I am planning to change the camshaft sprockets, crankshaft 
sprockets and the jackshaft sprocket.  The camshaft sprockets are definately 
worn as are the chains.  Do the crankshaft and jackshaft sprockets not wear 
as quickly as the camshaft sprockets?

Thanks,
Frank Magnusson
Wichita, KS.