made a trip about 3 hours south last weekend, ran flawless down there crusing around 36-3800rpm all the way.
next day went out for a nice cruise and noticed the oil pressure starting to drop. go back to the dock and checked the oil level and she was about off the bottom of the dip stick (~5-6Qt)
filled it back up and made a trip 2 hours south of that and back and noticed the same thing with the oil pressure dropping down when we got back near the house we were staying (again cruising 3600 for a few hours with out issue) got back to the dock and checked the level again and again at the bottom of the dip stick. filled it back up again (another 6qt, so 12 total)
2 days later took it to go get fuel to fill up for the ride home, was about a 45 minute ride. checked it again and it was maybe 1qt low. topped it off again and stocked up with oil on board for the ride home. so total of 13qt in the boat in the 8-9 hours we were cruising at that point. ride back lost roughly 3 more. but still running flawlessly on plane for 3 hours at 3400-3600 rpm
my thoughts on this is it is leaking out of the oil cooler while its warm or while its under high oil pressure (cruise around 50-65). once it cools down the crack seals back up and doesnt leak. having a hard time believing its burning that much oil with out fouling the plugs out based on how its running, but im going to pull the plugs once the cooler comes in and do a compression test to know 100%. was going to pressure test the OE oil cooler but after finding the fittings to pressure test it, it was a few bucks more to just buy a new cooler from www.mrcool.us
anyone else have any thoughts to where the hell all this oil is going? bilge is oil free...
next day went out for a nice cruise and noticed the oil pressure starting to drop. go back to the dock and checked the oil level and she was about off the bottom of the dip stick (~5-6Qt)
filled it back up and made a trip 2 hours south of that and back and noticed the same thing with the oil pressure dropping down when we got back near the house we were staying (again cruising 3600 for a few hours with out issue) got back to the dock and checked the level again and again at the bottom of the dip stick. filled it back up again (another 6qt, so 12 total)
2 days later took it to go get fuel to fill up for the ride home, was about a 45 minute ride. checked it again and it was maybe 1qt low. topped it off again and stocked up with oil on board for the ride home. so total of 13qt in the boat in the 8-9 hours we were cruising at that point. ride back lost roughly 3 more. but still running flawlessly on plane for 3 hours at 3400-3600 rpm
my thoughts on this is it is leaking out of the oil cooler while its warm or while its under high oil pressure (cruise around 50-65). once it cools down the crack seals back up and doesnt leak. having a hard time believing its burning that much oil with out fouling the plugs out based on how its running, but im going to pull the plugs once the cooler comes in and do a compression test to know 100%. was going to pressure test the OE oil cooler but after finding the fittings to pressure test it, it was a few bucks more to just buy a new cooler from www.mrcool.us
anyone else have any thoughts to where the hell all this oil is going? bilge is oil free...