[T2] Oil weight

[MUTS .]

I have a vague recollection of having left 30wt  oil in my bus into 
winter, and causing an oil leak due to the high pressure (resistance 
caused?) too far back (involving my 71 bus) to remember why- likely a 
seal gave way?

MUTS  = Michael's Ultimate Thumb Saver oboe, clarinet support
93 Chevy Roadtrek 210P
78 VW Westfalia Camper