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peteKz...my chains are in there for a long time.Ido not see any difference but i had it apart in 2015.After many Eu trips from France to Czech i came to France and did the oil change.Next month i did another long trip cc3-4000k km..during the rip i noticed my valves getting noise.After i got home it was kinda bad noise.So i investigate and found that my camshaft were worn out -like no oil at all .So i took the right side cam out and it was gone plus most of the rockers same on the left side.I could not figure it out for quite some time.While working on it i took the oil filter off and suddenly i felt something inside making noise.To make this a little shorter.Basically those French hornest made a home in one of my oil filters on the shelf, by doing that the mud they built inside got into my oil tubes for camshafts and rockers -It was totaly blocket.It took me a while to clean up the whole engine and camshaft housings.Installed new cams and all rockers.Good since then.
So people, make sure you store your oil filters in safe place in summer.
I did set my cams at 1,3...as always
Maybe when i do some winter work i check one side i very much doubt it has changed since then.
Ivan
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1985 911 with original 502 191 miles...808 198 km
"The difference between genius and stupidity is that, genius has its limits". Albert Einstein.
Last edited by proporsche; 12-16-2025 at 03:27 AM..
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