Help/advice needed
Discussion
As some of you guys know, we've been working on my lil Eunos over the past few days, fixing oil leaks primarily.
Anyway, all has been well until this morning. I stayed at a mates house so I could give him a lift in the morning and when I fired the 5 up, it's chugging blue smoke. Now I've checked for HG failure and I can't see anything in the way of oil in the coolant and vice versa, but when I removed the plugs for the change over, I noticed two had oil on them.
Now I know where this is heading more or less so a couple of questions remain:
If it's pistonrings, how difficult a job is it for two guys with tools?
If it's valve seals - how much to have fixed ( dont think we can do it )
Is it going to work out cheaper to sell the engine and buy another, if so how much work is involved with taking the engine out?
Thanks in advance
Scotty
Anyway, all has been well until this morning. I stayed at a mates house so I could give him a lift in the morning and when I fired the 5 up, it's chugging blue smoke. Now I've checked for HG failure and I can't see anything in the way of oil in the coolant and vice versa, but when I removed the plugs for the change over, I noticed two had oil on them.
Now I know where this is heading more or less so a couple of questions remain:
If it's pistonrings, how difficult a job is it for two guys with tools?
If it's valve seals - how much to have fixed ( dont think we can do it )
Is it going to work out cheaper to sell the engine and buy another, if so how much work is involved with taking the engine out?
Thanks in advance
Scotty
If it's started to make blue smoke suddenly I wouldn't expect either the rings or the valve seals to be the cause. They're both wear items that normally develop gradually, unless a ring has actually broken.
Changing the rings is an engine out job with the sump and head coming off. I did the valve seals on mine last month. It's quite a lot of work but you can lift the head without removing the engine. Removing the valves to replace the seals is fiddly but after a while practice means one gets better at it! Mind, you begin to see the advantages of 8 valve engines, rather than 16!
Only other thought is a leaking cam cover gasket allowing oil into the spark plug recesses, from where if one or two plugs are a bit loose, it might seep into the combustion chambers, producing blue smoke on start up and oily plugs.
Changing the rings is an engine out job with the sump and head coming off. I did the valve seals on mine last month. It's quite a lot of work but you can lift the head without removing the engine. Removing the valves to replace the seals is fiddly but after a while practice means one gets better at it! Mind, you begin to see the advantages of 8 valve engines, rather than 16!
Only other thought is a leaking cam cover gasket allowing oil into the spark plug recesses, from where if one or two plugs are a bit loose, it might seep into the combustion chambers, producing blue smoke on start up and oily plugs.
gdaybruce said:
If it's started to make blue smoke suddenly I wouldn't expect either the rings or the valve seals to be the cause. They're both wear items that normally develop gradually, unless a ring has actually broken.
Changing the rings is an engine out job with the sump and head coming off. I did the valve seals on mine last month. It's quite a lot of work but you can lift the head without removing the engine. Removing the valves to replace the seals is fiddly but after a while practice means one gets better at it! Mind, you begin to see the advantages of 8 valve engines, rather than 16!
Only other thought is a leaking cam cover gasket allowing oil into the spark plug recesses, from where if one or two plugs are a bit loose, it might seep into the combustion chambers, producing blue smoke on start up and oily plugs.
Right, always good to start with the simple things aint itChanging the rings is an engine out job with the sump and head coming off. I did the valve seals on mine last month. It's quite a lot of work but you can lift the head without removing the engine. Removing the valves to replace the seals is fiddly but after a while practice means one gets better at it! Mind, you begin to see the advantages of 8 valve engines, rather than 16!
Only other thought is a leaking cam cover gasket allowing oil into the spark plug recesses, from where if one or two plugs are a bit loose, it might seep into the combustion chambers, producing blue smoke on start up and oily plugs.
new cam cover gasket going on order hehe
Gassing Station | Mazda MX5/Roadster/Miata | Top of Page | What's New | My Stuff


