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Classic Cars
DateQuestionAnswer
12/23/2007
Phosphorous Levels of Mobil Conventional Oils
You have a nice table that summarizes the Phosphorus content of all of the Mobil 1 synthetic oils. Please add a page or two to that table that gives the Phosphorus numbers for the regular Mobil oil, s...
In general all the mineral products are formulated to the latest ILSAC /API specifications, so that the typical phosphorus for all these products is 800 ppm. Unfortunately to get the higher levels of ...
11/09/2007
How Often Should Engines be Started
I have started collecting cars manufactured from 1980 to 1985. Since it is a collection, I do not run them or start the engine every day but rather just once a week. All my cars are filled with Mobil ...
Using Mobil 1 will provide excellent protection for your classic vehicles and is a great choice.  It will provide an excellent oil film to protect during vehicle idle time. It is important, however, t...
07/19/2007
Correct Oil for Older Engines with Mechanical Pushrods
Do you have an oil for a 1967 Austin-Healey that has the correct additives for older engines with mechanical pushrod and such?
Yes, Mobil 1 15W-50 should provide excellent performance for your vehicle. It has boosted antiwear (ZDDP) to help better protect the push rod / sliding cam valve train. The higher viscosity is also ap...
07/18/2007
Proper Change Interval to Avoid Moisture Buildup in Infrequently Driven Car
I have a 1988 Chevrolet Caprice Classic Brougham LS with under 70,000 miles. It's a 4-barrel carb/5.0 V-8. It's been garage-kept its entire life in showroom condition and driven "lightly" 2-3 times pe...
If you are getting the vehicle up to speed and warmed up at least every few weeks, then maybe you are changing your oil too frequently. If you never got it warmed up and hot to burn off moisture, we w...
04/20/2007
What's the Best Oil for a Non-Filtered System?
What is the best oil to use in a non-filtered system? I have a stock 1939 Olds and it has no oil filter. The owner's manual calls for 20W oil, but gives no indication of whether it should be detergent...
We would recommend Mobil 1 15W-50. It will provide a higher viscosity that is perfect for an older vintage vehicle designed with larger clearances. The high performance additive system will help keep ...
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