Sw20 NA - thicker oil to prevent blue smoke on startup? [Archive] - Toyota MR2 Message Board

startup, smoke, blue, seals, engine, thread, thicker, stickied, accumulating, swaps, subsequent, turbo, running, mods, procedure, case, replace, good, write, anecdotally, sw20, week, blows, cars, prevent, switching, cold, leftover, higher, viscosity, worn-out

On my NA, 64K miles. No oil burn between 3,500 mile oil changes. However, when it sits for a few days, blue smoke on start up. Having multiple MR2, I know this is a common 5SFE problem with the valve stems. Car runs 10w30 DINO oil. Question is, these days, are there recommended thicker oil to prevent it a bit? If so, what