![](/profile/get-photo.asp?memberid=17978&type=profile&rnd=617) West Central Alberta Coldest, wettest edge | Just over 9000 hours on original 8.3L Turbo Cummins. Started having a lot of blow by while chopping silage, working hard. A lot, as in a cloud visible from far away. Shortly after started blowing the filler cap out, especially when cold. Afraid it is going to blow out the front or rear main seals at this rate.
What is puzzling is that it is still running fine, starting excellent even when well below freezing such as today, not missing, not burning excessive oil. I have heard of turbo seals allowing exhaust gas in, causing blowby, could that be the case?
Probably a cheap enough engine to do an in frame, but it is not one of my favourite jobs, so looking for some faint hope that it could be something else. I suppose I could disconnect the turbo drain line and put it into a bucket and see if there is exhaust gas in it? |