Re: Low mid-range power on Volvo Penta TD22 after adjusting injectors
Hi Miles,toggle quoted messageShow quoted text
The great RPM issue with the TMD22! I am afraid that I can't answer your direct question but I have to say I have always wondered why I could only get 2800 rpm out of mine. I had no idea at all that you could govern the max RPM of the engine by the injector settings. This must mean that none of us with Super Maramus will ever get the full 78hp that this engine is meant to produce, and also explains why the turbo and exhaust elbo are constantly needing cleaned out as they are never getting the full blasting that they need. I am seriously considering a non turbo engine when I eventually replace.
Out of interest I have had my turbo off for cleaning twice and have just replaced the elbo. On the latest refitting things were worse and I can now only get 2200 rpm. Fortunately I have traced this to the waste gate valve which is either not sealing correctly when closed or the boost pressure capsule allowing it to open too early. I replaced the boost pressure capsule last night and am just heading out for the weekend to see if that has done the job or if I am into new turbo land. My engine has 5000 hrs on it and runs beautifully, consuming virtually no oil and starting perfectly, so I am very reluctant to replace just yet. Shame all the ancillary bits bolted on the side are giving up at the moment. I am sure it's just a phase....
SM 140 Sula
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