The early marine engines used a Lucas starter motor. Originally there was a choice of isulated or earth return. Lucas then stopped supplying the insulated starter hence the use of the twin 4ST solenoids when insulated earth was required. Moving on to later engines Lucas stopped supplying starters altogether so Lister moved over to using Nippon Denso starter motors. These later starters can be fitted to earlier engines with no other modification to the engine.
What you have there looks to be a VDO oil pressure sender. That pipe will be the feed pipe. Can't see exactly what engine you have, but if it is a SR engine the pipe will run to the forward end of the fuel pump housing. If an ST engine then it will run around to just above the oil filter on the crankcase door. Both of these engines would have originally used a mechanical gauge if ordered as an extra from Lister.
I can quite safely say that. During my time as a Lister Petter engineer I visited the Sabb factory in Bergen to assist them with the engine. Also as a lifeboat it is necessary to be able to run the engines out of the water for short periods, hence they would be 100% keel cooled. As the photo shows the engine is fitted with a dry exhaust.
This engine would have been keel cooled so no worries about corrosion.
Not really much of a connection. Sabb would purchase a marinised engine from Lister Petter and then carry out various modifications to make it suitable for lifeboat use.
I would second that. They have built a number of barges as well as many other styles of boat over the years. The quality of there steelwork is excellent. Dependent on size should be able to go across the K&A to London. It would certainly be worth having a chat with them.
Pointless sealing it as it will only mask the problem. There should not be coolant at this point. Possibly an internal leak in the tank, head gasket failure. Maybe external water running back down the exhaust. As a start maybe remove the exhaust and see which way the water is coming.
Seems odd. The marine version of the LPWS4 was not introduced until the early 90's when the only marine build was a 42. The build 45 only followed on a couple of years after that.
There were marine versions of the Dellta engine. Not sure that they were marinised by the Lister factory. Possibly marinised by Rodger at Cotswols Diesels on behalf of Lister.
As Richard has said it is definitely not a Lister LPWS4. It's a Mitsubishi engine. Lister did make these under licence for Mitsubishi and actually badged some of them as Lister. It was the Mitsubishi S4S engine which Lister called DWS4.
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