premium or not in 1989 944 porsche?.. please read description?

JamezLoco

New member
Mar 23, 2010
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i been reading some stuff on the internet, about "if i should use premium or not"
according to the article, it might make your engine knock...
when i bought the car i been using premium. when it even says Unleaded only.
i thought it actually clean my engine because of all the detergents
my car runs fine and everything but i can hear a tick in the engine when i rev it
it goes away in +16c weather
the engine sounds like shit, but it runs good
I'm not to sure if it is a rod, the gas... oil is super clean
please help me
Thanks you :)
 
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