Thanks Paul, but Paul Salsbury is in the UK like me - for his benefit, it sounds like you're talking about Redex - do you have that over in the US? Martin DOC UK #1458 flash66 wrote: > Ok, before you freak out, and you start pulling the motor, let me offer some > advice. If your D has been sitting for a long time and it didn't smoke > before you stored it, > then your problem most likely would be stuck/sticking piston ring's, > allowing oil into one or more of the cylinders, and burning the oil when > they are fired . Go to a parts store and get 2 bottle's of Marvel mystery > oil. Drain one quart of oil and pour the first bottle into your engine, this > should free the ring's. Then pour the other in the gas tank .It makes a very > good cleaning agent, with a lubricant for the upper part of the motor, > valves, etc, if poured in the fuel tank and burned with the fuel. This stuff > has been around alot longer then we have, and earned it's name with top > mechanics.Also to mention it has cured this problem for me on 2 of my older, > stored, super toy's. You might need to do it twice to free the rings, but a > hek of alot cheaper fix than a engine rebuild. Hope this helps and good > luck!! > > -Paul Catignani < Future posterboy for Marvel LOL imagine that.....> > #16811