S.T.P. Oil Treatment..

[vintageant]

Per Caterham's recommendation, I put one 15oz blue bottle in the 2+ gallon sump of my burning/leaking '37 and it certainly now burns and leaks less.
No UOA for a long while yet, but here's the previous one:

http://www.bobistheoilguy.com/forums/ubb...602#Post2155602