Re: Top Oil

[Dent8@domain.elided]

Is this similar to the old-timey looking cans of Marvel Mystery Oil, 
recommended for gas tanks and crankcases?  My BMW seems to consume less oil 
when this is in.  I suspect it swells the valve seals.
Dennis Millward

>Another little trick along these lines--after you have done most of these
>things, and have it running--put enough two-cycle oil into the gas tank to
>make about a 30:1 mix when you fill the tank, and run one tank of this
>through it. It'll smoke some more, but the top end will stay freer longer.
>
>Castrol used to (may still ?) sell some stuff called Castrollo (upper
>cylinder oil) which one added to the fuel (at maybe a 200:1 ratio). I
>imagine this is pretty similar to what John is talking about pouring down
>the carb. As long as you are not going in for a smog test, a steady diet of
>a very lean mix (maybe 400:1) of good quality two stroke oil is really
>quite good for an engine's life!
>
>Regards, Greg