Im new to V8`s and building a kit car i need to know where to fit the water temp sensor and the oil pressure sensors, I have a 305ci V8 chevy engine.
I have 2 holes above the oil filter housing the lower one is pluged and upper one is open. Can you tll me what the hole just to the left of the distributor just behind the inlet manifold is for ? (looking from drivers seat).

Can any one help me please

Thanks Cyril