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Camshaft deviation question
My camshaft deviation is steady short term, but it does creep based on engine temperature. Cam 1 deviation (the IMS side) varies almost 1 degree, hot to cold. It starts off around a little less than -6.5 when its cold and goes down to a little over -5.5 when hot. Last time I recorded the values severall months ago the variation was about .3 hot/cold. Cam 2 deviation is about .3 hot/cold and has remained the same over time.
Is this something I should be concerned about? Signs of impending IMSB failure? I checked the oil filter about 500 mile ago and there was no metal in it.
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Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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