Hey all,

Just curious to see if anyone recommends or has used marvels mystery oil in their FWB and what you think of it?

Best,
Tabz

My uncle who has been a Cadillac fan since the late 60s swears up and down by this stuff. It's good for the gas, and for the oil too. I like to dump a bottle in some time before I change the oil. It helps get some of sludge out.

I add a bit of MMO to the gas when I fill up my '69. Helps compensate for all the ethanol and prevents vapor lock.

I used MMO all the time. Keeps my fuel and oil clean. I highly recommend this stuff.

Once in a blue moon I will use it, after a thousand or so miles the oil looks pretty nasty, not sure from cleaning or from the MMO sludging, being I am using synthetic it isn't.

1-2K before oil change probably isn't a bad idea....

I use LucasOil stabilizer with every oil change, and I like it. The engine sounds smoother on cold starts, and it really slows the leaky base pan I have.

So would you guys recommend dumping one full bottle in the gas tank every some thousand miles?..and another full bottle in the oil crankcase before an oil change?

-Tabz