All of the Following Statements Are True EXCEPT

Multiple Choice

All of the following statements are true EXCEPT:

A) shaft-mounted rockers should be loosened slowly and evenly.
B) the bottoms of lifters often have varnish built up on them in the area that extends out of the lifter bore. This makes them easy to remove.
C) when an OHC head is removed, the camshaft will be holding some of the valves open.
D) some engines use pushrods of varying lengths.