[ReelMagic]

I own a 2003 38 Open w/6CTA Cummins and haven't had what you describe as excessive smoke when cold. Not sure what you mean by cold but after being shut off for a week or so in the spring & summer I don't have any or much smoke at all... On my 38 I have a switch by the steering wheel that is marked "pre-Heat" (The're not glow plugs) which I've never needed to use (needed when extremely cold). Do you have that switch and if so have you tried it to see if it reduces the smoke when starting cold.... Another consideration is the condition of the aftercoolers. They should be serviced every 2 years or so as there can be a carbon build up in them which causes smoke... I've had my 38 since 2007, with 1300 hrs currently, and have little or no smoke. I have a little black stain on hull by the exhaust after a season of running but that's it. I'd suggest you take a look to see when the aftercoolers were last serviced. Easy to do if your mechanically savy... M2C