How do you check the valves on a 1987 Caprice 305 V8 that jumped time?
If you are worried about bent valves DON'T
That year engine will not bend the valves when the timing chain goes bad.
There is a timing check window in the clutch housing, remove the rubber plug and turn the engine clockwise to find a 'T' punched into the flywheel, that is TDC. The 'T' is over the mark that aligns with the housing. Remove the distributor cap and confirm the rotor is pointing to #1 and set the valve lash **( the valves are numbered from the front 1,2,3,4 on the left side and 5,6,7,8 on the…
You need to replace the valve, which will require removing the head. While there, make sure that the valve seats are undamaged, and since it is apart, you are better off replacing all the valves, as well as the valve stem seals. Check the price of valves, as they can get expensive, but most of your cost will be labor.