I just discovered that the valves (or something) begins making noise only after about 10 minutes of warm up. When I changed the oil, I put in the same Castrol 20/50, but this time put in 1/2 Qt slick 50, and used a CarCuest (wicks?) #85515 oil filter instead of the usual Fram PH8A. They say these wicks filters filter better, but I wonder if it is starving the engine of oil (too much filtration possible, or the small amount of slick 50 (Xmas present) has anythign to do with it? Things were ok until I tried to do the old Pantera good, by changing oil & filter.
And guess what, some small degree of bouncing tach is back.
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