The Right Motor Oil

[bmorgil]

4 quarts in the motor and 1 quart in the filter.

[LarrBeard]

We are so much more particular about our Jeeps now than was the custom when they were new.

In the Model 2WD and 4WD Owner’s Manual for 1949, the following was how engine oil was specified:

Above 90-degrees F SAE 30W
Not lower than +32-degrees F SAE 20 W or 30W
As low as +10-degrees F SAE 20W
As low as -10-degrees F SAE 10W

For temperatures below -10-degrees F, use SAE 5W or SAE 10W with 10% kerosene

(This is NOT a recommendation!)

[DougL]

Regarding the filter. Is there a substitute filter I can purchase at my local auto parts store or do I have to buy it from Kaiser?

[LarrBeard]

You haven't said if you have a CJ or other Jeep - there seems to be a slightly different part number at KWAS for CJ vs. Truck/wagon filters.

I'd make a parts store run first - I can find filters for my 1951 F-134 at the local NAPA parts store. I'd look at an STP Oil Filter P7FF; about $10.00. Make sure you get a set of gaskets with the replacement canister.

[bmorgil]

If you have the Fram style filter canister (the one with the bracket welded to it not straps) it is a NAPA FIL1010 or a WIX 51010. In the photo on mine one bolt ear has been cut off by the prior owner. There should be 4 bolts holding it to the bracket on the motor.