Hi to everyone, im new to your group, infact i only registered about twenty mins ago! i came across it earlier today its really informitve i have heaps to learn. I have a problem and was wondering if anyone had come across it before , my 84 cressdia blows masses of black smoke when cold and really stuggles untill its warm its a hassle, all i know is it has a 5me engine any ideas guys? does this sound expensive to fix? thanks guys for ya help.