We've got a flathead powered car that has a recently rebuilt engine that drinks oil. Even tried a fresh hone and new rings again. Same thing. It's been driven 1,500 miles since the rebuild, probably 800 after the re-hone. Isn't really smokey, just needs oil added maybe a quart every two tankfulls. I'm thinking of trying the Bon Ami or Comet down the carburetor trick this weekend. Has anybody done it? I need details. I've heard of just sprinkling it down the carb with the engine running, and I've also heard of mixing it with gas and dribbling that down the carb. Or maybe should I mix with water and dribble that down? I'm thinking the gas mix is not the best bet in case a little blows out of the cup and lands on the generator right there in front of the carb. Here's the engine particulars: 99 Merc block bored 3-3/8" with solid skirt three-ring pistons. Has a tall Weiand intake with two 97's on top. So, how did you do it? What mix did you use, what RPM, and how much? I will change the oil after this operation. Thanks.