My 380 Sl (83) with about 175,000 on it smokes on takeoff (kind of grey). Passed emissions but only barely. Mostly smokes when sitting at a light for several seconds. Drives very well other than the smoke.

Been told that it is probably valve guide seals but one guy had me change the transmission vacuum switch (which was wet) and that helped a little.


Any fixes or bandaids other than a valve job? Heavier oil, additives?


Thanks.


J. Boggs