I have a "new" 1978 boat with raw water cooled A4. It's the original motor from what I can tell.
I've read Don's Winterizing summary and have some questions:
1. It appears the MMO alone is meant to be left in over the winter, with no new oil added. Do I have that right, and should remove the MMO first before adding the new oil in the spring (I have no history on previous changes).
2. I'm going to change the spark plugs. Should I do that after I squirt in the MMO in to fog the engine, or should I put in the old ones and swap for new in the spring? I ask because I wonder if the plugs will be fouled with the MMO.
3. I noticed someone mentioned he has no thermostat in his A4. Was that a "feature" on some engines or a mod? Is it a good idea? My experience says the engine would never reach operating temperature that way (i.e. bad idea).
I've read Don's Winterizing summary and have some questions:
1. It appears the MMO alone is meant to be left in over the winter, with no new oil added. Do I have that right, and should remove the MMO first before adding the new oil in the spring (I have no history on previous changes).
2. I'm going to change the spark plugs. Should I do that after I squirt in the MMO in to fog the engine, or should I put in the old ones and swap for new in the spring? I ask because I wonder if the plugs will be fouled with the MMO.
3. I noticed someone mentioned he has no thermostat in his A4. Was that a "feature" on some engines or a mod? Is it a good idea? My experience says the engine would never reach operating temperature that way (i.e. bad idea).
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