no, late model heads will not fit older blocks
yes because if the valves covers are leaking what is there to contain the pressure inside the cylinder
They are gaskets under your valve covers that keep oil from leaking out.
Yes if the valve is leaking. But in general the answer is no.
They are under the coils in the center of the valve covers.They are under the coils in the center of the valve covers.
If the valve cover gaskets are leaking, yes.
Could be the intake manifold gaskets are leaking.
Yes it sure can and will if the valve covers are leaking oil and the header gaskets are worn out/ leaking.
Could be a couple things, best case is your valve covers gaskets are bad, and worst case is your intake is leaking.
Not necessarily, unless you think they are leaking.
The VALVE covers must be leaking oil, If it is only on the threads.
They are under the coils, through the center of the valve covers.
If the valve cover gasket is leaking it will allow oil to leak onto the hot exhaust manifold where it will smolder causing smoke in the engine compartment.