Tips on Valve adjustment

[gungadin]

My old 911 is due for the adjust. What a pain it is with 4 valve covers,,half (intakes)in the engine compartment above and the exhaust valves on your back below. Spendy gaskets too!
The 911 6cyl engine normally expands in width 1/8" from cold to fully warmed up.

Originally Posted by Hal9000

Old VW's and Porsche's used to do this as well for the first few thousand miles after a rebuild. The reason is that as the engine "settled in" and all the mating surfaces seated and gaskets compress the overall deck height will change. You won't find that in anything but pushrod engines though.