Thanks for these answers.. I'm retuning it for winter and a weird thing, I noticed.. On the front of a head, I see bubles where the water pump or a bracket (IIRC) bolts! And there's some prestone here and there on the engine in that area.. This baby's tired i'd say.. Another thing, when I start the engine, oil pressure is fine, after like 5 minutes it drops to 0 and never gets back up anywhere even when giving gas.. This is becoming a weird engine indeed.. I'm scared