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Registered
Join Date: May 2002
Location: Portland, Oregon
Posts: 12,725
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Hi Amanda:
IMHO the dino vs synthetic debate is no longer valid. The issues that made it relvant in the early days are no longer there so switch and mix as you see fit.
The larger issue is ensuring that your engine has the correct lubricating oil additive package to preserve it's life for the long run. Given the cost of a Porsche engine rebuild, I would be inclined to use up the other oils in a less critical car by blending a bit with each oil change for those cars.
Does this help?
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Harry
1970 VW Sunroof Bus - "The Magic Bus"
1971 Jaguar XKE 2+2 V12 Coupe - {insert name here}
1973.5 911T Targa - "Smokey"
2020 MB E350 4Matic
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