DIY Mobil 1 0 30W on sale at Walmart
#5
Re: DIY Mobil 1 0 30W on sale at Walmart
not for fuel economy, lighter weight = higher MPG's. 30 might be better for protection though
#6
Re: DIY Mobil 1 0 30W on sale at Walmart
Which is way I specified the summer weather. I don't think going from a 20 to a 30 weight will result in a significant decrease in MPG.
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