.....use the CAT pinkish/orangie stuff.....and test it with the test strips every year in the spring and fall.....add the additive as per the instructions on the bottle and test again....if is important to do this because of cavitation near the cylinder liners to avoid holes......Cat had a problem with it years ago and their answer is the correct juice for a CAT engine.....usually speaking....one might have to change the juice every 5 years or more now.......geofkaye and the a Rivercity Girlz///...ps: treat your juice two times a year and ask about the water pump lube scenario....
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