No such animal, unless you're referring to the diesel 350. Oldsmobile 350 gas engine production ended in 1980. Sorry, but I know nothing of the diesel 350; perhaps someone else will come along and provide an answer for that motor.
yes
http://www.centuryperformance.com/valveadjustment.asp
on a 350 engine to adjust valves tighten them down with engine running then back them off until it smooths out probably about a quarter of a turn
307, 350, 400, 455
probably need to adjust your valves
Oldsmobile Didn't produce a V6 Cruiser in 1983 only a V8 350 or 307..there isn't a firing order to an engine that wasn't built...
With the engine at TOP DEAD CENTER (TDC) Adjust the exhuast valve to .007 and the intake to .005.
The 2012 Lexus IS-350 has 24 valves.
The 2011 Lexus IS-350 has 24 valves.
The 2009 Lexus IS-350 has 24 valves.
The 2010 Lexus IS-350 has 24 valves.
The 2014 Lexus IS-350 has 24 valves.