Quote:
Originally Posted by Davo53209@yahoo.com
What about performing a valve adjustment, or using Amsoil 5w30, or even flushing & filling the cooling system with Honda coolant? These are other suggestions that I have encountered here and there from various sites.
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Making sure the car is current on maintenance can't hurt, and can only help. That said, if everything is in good shape already those changes won't have any noticeable effect on fuel economy.
-soD