Happy New Year

Happy New Year – a bit belated, but I just got back.  There are 3 of us here today but should be back in full swing before the end of the week. It was a great week to be off as it has been unseasonably warm until today – which is in the 30’s  but by Thursday it should be back in the 50’s again – at least for a few days. We do have actual work going on which means no more boring posts (hopefully). Kevin is starting a bow thruster installation this morning. In order to cut the hole he needs to start from the inside of the boat to ensure there is room for all the equipment. After deciding where the optimal placing would be to get all the equipment installed he drills a pilot hole through from the inside. He will use that hole to measure off the hole for the tube. I have a photo of step one. Pat is installing new (and rebuilt) injectors today. Here is the injector: Here is the first one in place. Notice that all the rockers need to be removed to do this job properly. And here is everything put back together. All that is left is to install the new valve cover gaskets and tidy up. Unfortunately we will not be able to test this until spring. You Need to Know I found this article which gives some insight on injectors:
Bad Fuel Injector Symptoms
By: Don Bowman Bad fuel injector symptoms are important to spot before they create a big problem for your engine. Fuel injectors are an electro-magnetic device used to dispense metered fuel into the engine. The injector has a nozzle with holes similar to that of a hypodermic needle, which can easily become clogged. Injectors can go from one extreme to another with a certain amount of middle ground. An injector that is worn out, not functioning at all or clogged with dirt has the same end result: it lacks power and produces an engine misfire. When a fuel injector screen becomes clogged or the orifices carbon over, the fuel discharge becomes extremely erratic, which will result in an uneven idle, a misfire at mid range and an out-of-range fuel trim. The computer, through signals from the oxygen sensor, will recognize this and will illuminate the check engine light. The worse case scenario is a fuel injector that has failed in the open position. This will immediately flood the cylinder with fuel, disabling the spark plug and allowing raw fuel to flow into the exhaust system. This can be a dangerous situation since, in severe cases, raw fuel may pour out of the exhaust with the engine running. It will also destroy the catalytic converter in short order. In a less severe situation, the fuel economy will take a dive. Another problem common with fuel injectors is a leaking injector body or a leak at the o-ring on the top inlet port on the injector where it plugs into the fuel rail. This can be seen with the engine running and a strong smell of gas will be present. A broken lower o-ring will cause an air vacuum leak at the manifold. Depending on the severity of the leak, a misfire will occur and a conflict with the computer with respect to the fuel mixture which is now unmanageable within the correct parameters.