Morning Dave: Been a good season i hope, i brought back some black licroce for the locals, they now know what " good stuff taste's like" Anyway, your question is relative to my 48 ford truck, non-degerent oil as the filter is not exactly efficient as todays pressurized systems, and if i was to switch to degerent type, i am told by someone older and has rebuilt them many times[ flatheads] that the sludge in the engine will lossen up and mix with the oil, plug passageways/filter etc. His word were that i might as well take the optional filter off and run it as orginal, if i switched to detergent oil, as it and/or the supply line would be plugged. With the non stuff the sludge collects and settles in the base pan, with a good engine[ rings,seals internally]there is little dirt/blow by/sludge made to worry about, a worn engine just needs the oil pan checked/cleaned more often. Hope it helps been running straight 30 weight, non detergent for the 10 years i have had it, god only knows what got put in it before me:) take care and have a good one. Phil
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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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