My 73' series III smokes too much. Runs great but a blueish smoke comes out the tail pipe. I was thinking I might have a stuck valve. I was thinking of pouring sea foam down the carb. Any ideas/recommendations?
Sounds like a blown oil ring in one of you're pistons.
Do a compression check. Then run another compression check, but first squirt some motor oil into the combustion chamber. If the compression is higher the second time, then you have a blown oil ring. Also look at you're spark plugs and compare all 4 of them.
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