i change mine every 2-2.5k miles. i use ethanol except in the winter when the car is sitting. 93 only, i changed it every 5k miles. i change it at years end and also in the spring.
edit: i put 10-12k mi a year on the car. no dd, no winter use.
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2016+ camaro: everyone’s first car
Last edited by s346k; 01-08-2021 at 12:56 AM.
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