My dad bought a 1978 deutz and used strait 30w non detergent until last year at that time (1978)deutz used it for break in oil..he thought that was ok to run it..i changed it over to 15w40 rottela last year,i filled with 30w non detergent oil and added 2 pints of seafoam..ran it for 2 hrs @ about 600 rpm and drained oil...it was black..so before I put the shell oil in I dropped the pan and it was very clean..and so was the pump pick up screen..i then put 8 qt rottela and 2 qt lucas oil and installed a manual oil pressure gauge and changed oil again..oil pressure has increased by 10-12 psi..i plan on oil changes ever 50 hrs for a couple more years..pull valve covers every other change to make sure they are clean...I had my doubts about this even working but it seems to be ok for now..keeping my fingers crossed I will never really know if the seafoam really cleaned the engine up or maybe it was clean already...who knows for sure.
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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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