Honestly, most of DEF problems have been ironed out, so those systems work better than they did. The DEF and DPF are able to adapt to vehicle and driver styles also. At least one manufacturer is looking to eliminate EGR and rely on DEF and DPF only. EGR is the main maintence issue with diesels, especially in farm country where the trucks idle a lot. All of this is moot if the new admin doesn't reign in the EPA. The EPA's current agenda is the removal of diesel engines entirely.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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