Quote:
Originally Posted by CBR600RR
I was poking fun at the OP. and his reasoning for "highly recommending" Amsoil. Doing any oil change after the oil is spent will make the engine feel smoother and run quieter.
yes I know Amsoil is great oil.....
the FR-S/BRZ doesn't "require" full synthetic.
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Require...no. Recommended..yes.
By putting a different weight/viscosity oil, the motor might not be able to perform as effiencient as before. 0-20 is what is recommended, so synthetic it is. This is probably gonna turn into another one of those oil threads unfortunately.