The 97 Honda VTec PCV valve should be on the valve cover. The valve is a plug-in type and just pulls free.
I think it has a hydraulic clutch and no adjustment.
10 w 40
go to autozone.com and it will tell you exactly where it is.
To adjust the oil pressure valve on a 1997 Suzuki Sidekick, first ensure the engine is off and cool. Locate the oil pressure relief valve, which is typically found near the oil filter. Use the appropriate tools to remove the valve and adjust the spring tension or replace it if necessary. After reassembly, start the engine and check for proper oil pressure using a gauge to confirm the adjustment was successful.
Where is the PCV valve located on 97 Toyota Camry and how to replace it.Read more: Where_is_the_PCV_valve_located_on_97_Toyota_Camry_and_how_to_replace_it.
Standing in front of the engine, its on the left side of the engine intake. You'll have to remove that MAP sensor to get to the PCV Valve.
passenger side rear valve cover
At the back of the engine, looks like a distributor!
Probably on a valve cover towards the back of the engine.
Top center of the left valve cover.
under the intake manifold in the oil seperator