Check to see whether the oil leak is coming from your dipstick. If it's loose, that's probably the source.
Alan Bergen On Wed, Sep 27, 2017 at 2:33 PM, DON JONSSON via CnC-List < cnc-list@cnc-list.com> wrote: > Hi > > I continue to try and understand what is wrong with my engine without > paying more good money. And I have started looking for a new motor. > > First the problem. The engine recently started to leak a fair amount of > oil and to start poorly. We spent a lot of time trying to find exactly > where the leak was from and I had thought it was the head gasket. The > local mechanic, Charles at Gartside, said he really didn't think it would > be the head gasket as he had never seen an oil leak from one. We cleaned > the engine with brake cleaner, got some florescent tracing dye, put it in > the engine and let it run for an extended period. Although we some some > oil leak never saw the florescence with a black light. > > Regardless we decided it must be coming from the intake manifold. Of > course the leak is where it is almost impossible to get to but where the > leak occurs there aren't too many options. The intake manifold can get too > much oil in it if there is blowback increasing air pressure in the valve > and rocker arm cover. So, while the engine was running I pulled off the > breather hose which runs from the cover to the manifold. And there was > pressure and there was oil which blew all over. > > Now for the first question. Everything I read says this is a result of a > worn engine - rings, cylinder walls, etc. which leaks air into the > crankcase building up pressure. Has anyone ever seen a different reason > for this? I had a compression test done about 8 months ago and all was > fine then. But that was then. My take is a 37 year old raw water cooled > engine is not worth that kind of repair, albeit it only has 2,000 hours on > it. > > Second question. I'm currently looking at a Yanmar and a Beta engine. > Any comments? The Beta is cheaper. Also they sell a 25 HP which seems > about right for the boat. Both appear too wide to get in on my C&C 34. > Anyone have experience with this? > > Thanks > Don Jonsson > C&C 34 > Victoria > > > > Sent from my iPad > _______________________________________________ > > The bills have started coming in for the year 2018 and have gone up > again. October will be our fund raising month. Please consider sending a > small contribution to help keep this list running. Use PayPal to send > contribution -- https://urldefense.proofpoint. > com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwICAg&c= > clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r= > 9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m= > fN9fpTwZU8i43n_UqFHnZ08Jo-E_5-Nir7QXmWd9Lbg&s= > hxL87ZP2j1ICU9zsXDJgbyaQW3tUT1RtaqkHXLP4UKM&e= > > All contributions are greatly appreciated! > -- Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR
_______________________________________________ The bills have started coming in for the year 2018 and have gone up again. October will be our fund raising month. Please consider sending a small contribution to help keep this list running. Use PayPal to send contribution -- https://www.paypal.me/stumurray All contributions are greatly appreciated!