Fuelly Forums - Engine warmup and short distance dilemma.

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Quote:

A By-Pass filter really earns it's keep in your driving situation.
You need to be using the best synthetic oil also.

Our low-use/low-miles driven Prelude has 100,000 miles on the oil and analysis says it is still fine.

How often do you change the oil with the bypass filter? I have heard elsewhere that with a bypass filter some people just add to it when it gets low. I cant imagine that a bypass filter is that good.

I've checked the oil, it's not milky, just the usual black. I'm not doing that commute anymore. Now a travel the same distance on a complete straight line, which I will definitely cover it by bike.

You've referred a by-pass filter, I don't know what that is. Can it be installed in a old diesel engine?

Quote:

Originally Posted by mikemoss (Post 135764)

How often do you change the oil with the bypass filter? I have heard elsewhere that with a bypass filter some people just add to it when it gets low. I cant imagine that a bypass filter is that good.

The Amsoil by-pass filter cleans down to 1 micron. In about 5 miles all the oil is filtered, so it is analytically clean.

Go here and read details: https://www.amsoil.com/storefront/eao.aspx

I sold the Dakota so fast I didn't have time to remove the by-pass....darn it, so I don't have one on the Tundra.

The Tundra has the Amsoil oil and filter changed at 25,000 miles.

On the Dakota, I changed the full flow at 15,000 miles until the current filter came out. The by-pass filter lasted a year or longer, but I usually only changed it when oil analysis indicated it was necessary. 100,000 miles between complete changes was usual.