Tex..... ...ya write..... ."Could this be caused by because I didn't set the timing, firing before the valves are fully down, and forcing the gasses into the crankcase?"..... ..not really, but a very imaginative miss-understanding of engine operation. You write..... "I can't imagine that the oil filter, or changing oil would cause this"..... .wanna bet??? ..... Heres the deal..... .you did "sumptin" (change oil, thats good to do) and now yer hyper-sensitive for non-normal engine operation (smokin' out breather) Welp, smokin' out the breather is "normal". (semi-normal ennyways) Yer just seeing it for first time 'cuz ya been "sensitized". It could be something as simple as cool morning air condensing water vapor from combustion. Or..... it could be clean oil "washed" away gunk around yer very worn piston rings and now yer seeing the effect (smoke) of worn tired out engine that is down on power, that you gave a tune-up to. (to restore power) The ONLY WAY to check this is by the DREADED compression test. Ford specs: 90psi, min (dry). Then do a "wet" test to check the ring seal-ablility. Iff'n you don't know how to do a compression test, ask, or read instructions ...or... brouse the archives of this great N-Board..... ..Dell
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