Picked up a new to me boat yesterday. Its a 88' 18 ft ebbtide dyna trak with a 150 evinrude. Had a new power head installed in 07 and the guy i got it from said it ran great for 2 years and then started acting up. Well after draining the gas and cleaning carbs and seafoam took maiden voyage and ran great. Whats your guys opinion on disconnecting auto oiler and pre mixing? i have heard horror stories of them failing